Works (242)

Updated: December 11th, 2025 05:04

2025 article

Accelerated Image-Aware Diffusion Modeling

Asthana, T., Bao, Y., Awad, A., & Krim, H. (2025, September 8).

By: T. Asthana n, Y. Bao*, A. Awad* & H. Krim n

topics (OpenAlex): Generative Adversarial Networks and Image Synthesis; Cell Image Analysis Techniques; Image Enhancement Techniques
Sources: NC State University Libraries, NC State University Libraries
Added: December 8, 2025

2025 conference paper

Accelerated Image-Aware Generative Diffusion Modeling

2025 IEEE Internationa Conference on Acoustics, Speech, and Signal Processing. Presented at the 2025 IEEE Internationa Conference on Acoustics, Speech, and Signal Processing, Hyderabad, India.

By: T. Asthana, Y. Bao & H. Krim

Source: NC State University Libraries
Added: April 12, 2025

2025 conference paper

Expansive Synthesis: Generating Large-Scale Datasets from Minimal Samples

2025 IEEE International Conference on Acoustics, Speech, and Signal Processing. Presented at the 2025 IEEE International Conference on Acoustics, Speech, and Signal Processing, Hyderabad, India.

By: V. Jebraeilli, B. Jiang, H. Krim & D. Cansevar

Source: NC State University Libraries
Added: April 12, 2025

2025 conference paper

Robustness Reprogramming for Representation Learning

ICLR 2025. Presented at the ICLR 2025, Singapore.

By: Z. Hou’, M. Torkamani, H. Krim & X. Liu

Source: NC State University Libraries
Added: April 2, 2025

2024 report

Accelerated Image-Aware Generative Diffusion Modeling

In arXiv (Cornell University) (ArXiv Preprint No. 2408.08306).

By: H. Krim*, T. Asthana & Y. Bao

topics (OpenAlex): Medical Image Segmentation Techniques
Sources: NC State University Libraries, NC State University Libraries
Added: April 2, 2025

2024 report

Expansive Synthesis: Generating Large-Scale Datasets from Minimal Samples”

Expansive Synthesis: Generating Large-Scale Datasets from Minimal Samples.” In arXiv (Cornell University) (ArXiv Preprint No. 2406.17238v).

By: H. Krim*, V. Jebraielli, B. Jiang & D. Cansevar

topics (OpenAlex): Neural Networks and Applications; Machine Learning in Materials Science
Sources: NC State University Libraries, NC State University Libraries
Added: April 2, 2025

2024 article proceedings

Koopcon: A new approach towards smarter and less complex learning

By: V. Jebraeeli n, B. Jiang n, D. Cansever n & H. Krim n

author keywords: Condensation; Autoencoder; Optimal Transport; Wasserstein Distance
topics (OpenAlex): Parallel Computing and Optimization Techniques
Sources: Crossref, NC State University Libraries, Web Of Science
Added: March 14, 2025

2024 journal article

Volterra Neural Networks: A New Perspective on Learning

Journal of Machine Learning Research.

By: H. Krim & S. Roheda

Source: NC State University Libraries
Added: April 2, 2025

2023 chapter

Data representation: from multiscale transforms to neural networks

In Signal Processing and Machine Learning Theory (pp. 537–650).

By: Y. Bao* & H. Krim n

topics (OpenAlex): Image and Signal Denoising Methods; Advanced Image Fusion Techniques; Remote-Sensing Image Classification
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2023 article

Fast Optimal Transport for Latent Domain Adaptation

Roheda, S., Panahi, A., & Krim, H. (2023, September 11). 2023 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, ICIP, pp. 1810–1814.

By: S. Roheda*, A. Panahi* & H. Krim n

author keywords: Optimal Transport; Domain Adaptation
topics (OpenAlex): Domain Adaptation and Few-Shot Learning; Multimodal Machine Learning Applications; Human Pose and Action Recognition
TL;DR: An algorithm is proposed that uses optimal transport theory with a verifiably efficient and implementable solution to learn the best latent feature representation for unsupervised Domain Adaptation. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 11, 2024

2023 conference paper

Implicit Bayes Adaptation: A Collaborative Transport Approach

ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 1–5.

By: B. Jiang n, H. Krim n, T. Wu n & D. Cansever*

topics (OpenAlex): Domain Adaptation and Few-Shot Learning; Multimodal Machine Learning Applications; Machine Learning and ELM
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2023 report

Implicit-Class Driven Optimal Transport for Domain Adaptation

In SSRN Electronic Journal [SSRN preprint].

By: B. Jiang, H. Krim*, T. Wu & D. Cansevar*

topics (OpenAlex): Machine Learning and ELM; Lattice Boltzmann Simulation Studies; Smart Grid Energy Management
Sources: NC State University Libraries, NC State University Libraries
Added: April 2, 2025

2023 journal article

Latent Code-Based Fusion: A Volterra Neural Network Approach

Intelligent Systems with Applications, 18, 200210.

By: S. Ghanem n, S. Roheda n & H. Krim n

topics (OpenAlex): Speech and Audio Processing; Animal Vocal Communication and Behavior; Music and Audio Processing
Sources: NC State University Libraries, NC State University Libraries
Added: April 2, 2025

2023 chapter

Scaling Subspace-Driven Approaches Using Information Fusion

In Artificial Intelligence.

By: S. Ghanem n & H. Krim n

topics (OpenAlex): Face and Expression Recognition; Video Surveillance and Tracking Methods; Remote-Sensing Image Classification
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2023 conference paper

Stochastic Proximal Algorith with SON Regularization: Towards Efficient Optimal Transport for Domain Adaptation

ICML. Presented at the ICML.

By: A. Panahi, A. Rahbar, M. Chegrehani, D. Dubhashi & H. Krim

Source: NC State University Libraries
Added: April 2, 2025

2023 chapter

The Unreasonable Effectiveness of Haar Frames

In Applied and Numerical Harmonic Analysis (pp. 537–562).

By: S. Jaffard* & H. Krim n

topics (OpenAlex): Mathematical Analysis and Transform Methods; Advanced Numerical Analysis Techniques; Digital Filter Design and Implementation
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2023 report

Volterra Neural Network and Method

(US Patent No. 11842526).

By: H. Krim, S. Roheda & S. Ghanem

Source: NC State University Libraries
Added: April 24, 2025

2022 article

Deep transform and metric learning network: Wedding deep dictionary learning and neural network

Tang, W., Chouzenoux, E., Pesquet, J.-C., & Krim, H. (2022, August 27). Neurocomputing, Vol. 509, pp. 244–256.

By: W. Tang n, E. Chouzenoux*, J. Pesquet* & H. Krim n

author keywords: Deep dictionary learning; Deep neural network; Metric learning; Transform learning; Proximal operator; Differentiable programming
topics (OpenAlex): Sparse and Compressive Sensing Techniques; Face and Expression Recognition; Domain Adaptation and Few-Shot Learning
TL;DR: A novel DDL approach where each DL layer can be formulated as a combination of one linear layer and a Recurrent Neural Network (RNN) is proposed, shown to flexibly account for the layer-associated and learned metric. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: October 11, 2022

2022 article

Discovering urban functional zones from biased and sparse points of interests and sparse human activities

Tang, W., Chakeri, A., & Krim, H. (2022, July 8). Expert Systems with Applications, Vol. 207.

By: W. Tang n, A. Chakeri & H. Krim n

author keywords: Functional zones discovering; Latent region representation learning; Sparse and bias POIs; GPS data; Conditional random field clustering; Function annotation
topics (OpenAlex): Human Mobility and Location-Based Analysis; Data-Driven Disease Surveillance; Urban Transport and Accessibility
TL;DR: The proposed framework to discover the real functional zones from the biased and extremely sparse Point of Interests (POIs) can better identify functional zones than the benchmarks, and enhance understanding of urban structures with a finer granularity under practical conditions. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 8, 2022

2022 article

Neural Network Based Tracking of Maneuvering Unmanned Aerial Vehicles

Sinha, P., Krim, H., & Guvenc, I. (2022, October 31). 2022 56TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, pp. 380–386.

By: P. Sinha n, H. Krim n & I. Guvenc n

author keywords: Adaptive filtering; change point detection; maneuvering target tracking; neural network; nonlinear data-driven motion model
topics (OpenAlex): Target Tracking and Data Fusion in Sensor Networks; Aerospace and Aviation Technology; Robotics and Sensor-Based Localization
TL;DR: This work builds a data driven adaptive filtering algorithm that improves the tracking accuracy by using a recurrent neural network (RNN)-based motion model that is trained on realistic simulated data generated from a medium fidelity simulink model of a fixed-wing UAV. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: June 5, 2023

2022 article

Refining Self-Supervised Learning in Imaging: Beyond Linear Metric

Jiang, B., Krim, H., Wu, T., & Cansever, D. (2022, October 16). 2022 IEEE International Conference on Image Processing (ICIP), pp. 76–80.

By: B. Jiang n, H. Krim n, T. Wu n & D. Cansever*

author keywords: Self-Supervised learning; Contrastive Learning; Jaccard Index; Non-linearity
topics (OpenAlex): Domain Adaptation and Few-Shot Learning; Remote-Sensing Image Classification; Advanced Image and Video Retrieval Techniques
TL;DR: A new statistical perspective is introduced, exploiting the Jaccard similarity metric, as a measure-based metric to effectively invoke non-linear features in the loss of self-supervised contrastive learning. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: October 23, 2023

2022 article

SAR self-enhanced by electro-optical network

Tran, K., Sakla, W., & Krim, H. (2022, June 8). SIGNAL PROCESSING, SENSOR/INFORMATION FUSION, AND TARGET RECOGNITION XXXI, Vol. 12122.

By: K. Tran n, W. Sakla* & H. Krim n

author keywords: S AR; multimodal fusion; remote sensing
topics (OpenAlex): Advanced SAR Imaging Techniques; Synthetic Aperture Radar (SAR) Applications and Techniques; Sparse and Compressive Sensing Techniques
TL;DR: A framework is developed that inputs a SAR image and predicts a Canny edge map of the optical image, which retains structural information, while removing superfluous details, and can outperform the same model that only uses the SAR image. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: September 6, 2022

2021 article

Atlantic Hurricane Activity Prediction: A Machine Learning Approach

Asthana, T., Krim, H., Sun, X., Roheda, S., & Xie, L. (2021, April 3). Atmosphere, Vol. 12, p. 455.

By: T. Asthana n, H. Krim n, X. Sun n, S. Roheda n & L. Xie n

author keywords: hurricanes; tropical cyclones; fusion networks; weather forecast
topics (OpenAlex): Tropical and Extratropical Cyclones Research; Earthquake Detection and Analysis; Meteorological Phenomena and Simulations
TL;DR: A machine learning model capable of making good preseason-prediction of Atlantic hurricane activity is presented, which has the potential to make skillful predictions up to 18 months in advance. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 4, 2021

2021 article

Deep Transform and Metric Learning Networks

Tang, W., Chouzenoux, E., Pesquet, J.-C., & Krim, H. (2021, May 13). 2021 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP 2021), pp. 2735–2739.

By: W. Tang n, E. Chouzenoux, J. Pesquet* & H. Krim n

author keywords: Deep Dictionary Learning; Deep Neural Network; Metric Learning; Transform Learning; Proximal Operator; Differentiable Programming
topics (OpenAlex): Speech and Audio Processing; Image and Signal Denoising Methods; Sparse and Compressive Sensing Techniques
TL;DR: This work proposes a novel Deep DL approach where each DL layer can be formulated and solved as a combination of one linear layer and a Recurrent Neural Network, where the RNN is flexibly regraded as a layer-associated learned metric. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: November 29, 2021

2021 article

Dynamic Graph Learning Based on Graph Laplacian

Jiang, B., Yu, Y., Krim, H., & Smith, S. L. (2021, May 13). 2021 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP 2021), pp. 1090–1094.

By: B. Jiang n, Y. Yu*, H. Krim n & S. Smith*

author keywords: Dynamic Graph Learning; Graph Signal Processing; Sparse Signal; Convex Optimization
topics (OpenAlex): Advanced Graph Neural Networks; Face and Expression Recognition; Domain Adaptation and Few-Shot Learning
TL;DR: This work forms a quadratic objective functional of observed node signals over short time intervals, subjected to the proper regularization reflecting the graph smoothness and other dynamics involving the underlying graph’s Laplacian, as well as the time evolution smoothness of the underlyinggraph. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: November 29, 2021

2021 article

Dynamic Graph Learning: A Structure-Driven Approach

Jiang, B., Huang, Y., Panahi, A., Yu, Y., Krim, H., & Smith, S. L. (2021, January 15). Mathematics, Vol. 9.

By: B. Jiang n, Y. Huang n, A. Panahi*, Y. Yu*, H. Krim n & S. Smith*

author keywords: dynamic graph learning; graph signal processing; sparse signal; convex optimization
topics (OpenAlex): Functional Brain Connectivity Studies; Neural dynamics and brain function; Advanced Neuroimaging Techniques and Applications
TL;DR: The purpose of this paper is to infer a dynamic graph as a global model of time-varying measurements at a set of network nodes, which captures both pairwise as well as higher order interactions among the nodes. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 15, 2021

2021 article

Event driven sensor fusion

Roheda, S., Krim, H., Luo, Z.-Q., & Wu, T. (2021, July 2). Signal Processing, Vol. 11.

By: S. Roheda n, H. Krim n, Z. Luo* & T. Wu n

author keywords: Sensor fusion; Multi-modal fusion; Event driven classification
topics (OpenAlex): Target Tracking and Data Fusion in Sensor Networks; Fault Detection and Control Systems; Distributed Sensor Networks and Detection Algorithms
TL;DR: This paper addresses the issue of coping with damaged sensors when using the model, by learning a hidden space between sensor modalities which can be exploited to safeguard detection performance. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 23, 2021

2021 article

Generative Information Fusion

Tran, K., Sakla, W., & Krim, H. (2021, May 13). 2021 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP 2021), pp. 3990–3994.

By: K. Tran n, W. Sakla* & H. Krim n

author keywords: multimodal fusion; remote sensing; gans
topics (OpenAlex): Speech and Audio Processing; Advanced Chemical Sensor Technologies; Advanced Image and Video Retrieval Techniques
TL;DR: The ability to exploit sensing modalities for mitigating an unrepresented modality or for potentially re-targeting resources is demonstrated, and experiments show that emulating a multi-modal system by perturbing a single modality with noise can help us achieve competitive results compared to using multiple modalities. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: November 29, 2021

2021 article

Regularity properties of Haar Frames

Jaffard, S., & Krim, H. (2021, November 3). Comptes Rendus Mathématique, Vol. 359, pp. 1107–1117.

By: S. Jaffard* & H. Krim n

topics (OpenAlex): Mathematical Analysis and Transform Methods; Advanced Numerical Analysis Techniques; Digital Filter Design and Implementation
Sources: Web Of Science, NC State University Libraries
Added: December 20, 2021

2021 article

Reuse-centric k-means configuration

Zhang, L., Guan, H., Ding, Y., Shen, X., & Krim, H. (2021, April 17). Information Systems, Vol. 100.

By: L. Zhang*, H. Guan*, Y. Ding*, X. Shen n & H. Krim n

author keywords: K-means; Algorithm configuration; Computation reuse
topics (OpenAlex): Data Stream Mining Techniques; Machine Learning and Data Classification; Data Mining Algorithms and Applications
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 10, 2021

2020 article

An Automatic Synthesizer of Advising Tools for High Performance Computing

Guan, H., Shen, X., & Krim, H. (2020, August 21). IEEE Transactions on Parallel and Distributed Systems, Vol. 32, pp. 330–341.

By: H. Guan*, X. Shen n & H. Krim n

author keywords: Tools; Optimization; Programming; Syntactics; Semantics; Guidelines; Natural language processing; Performance tools; natural language processing; code optimization
topics (OpenAlex): Parallel Computing and Optimization Techniques; Topic Modeling; Software Engineering Research
TL;DR: Egeria is built based on a distinctive multi-layered design that leverages natural language processing (NLP) techniques and extends them with HPC-specific knowledge and considerations and can retrieve relevant optimization knowledge for optimization questions. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 28, 2020

2020 article proceedings

Commuting Conditional GANS for Multi-Modal Fusion

By: S. Roheda n, H. Krim n & B. Riggan*

topics (OpenAlex): Speech and Audio Processing; Target Tracking and Data Fusion in Sensor Networks; Underwater Acoustics Research
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2020 journal article

Conquering the CNN Over-Parameterization Dilemma: A Volterra Filtering Approach for Action Recognition

Proceedings of the AAAI Conference on Artificial Intelligence, 34(07), 11948–11956.

By: S. Roheda n & H. Krim n

topics (OpenAlex): Human Pose and Action Recognition; Gait Recognition and Analysis; Neural Networks and Applications
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2020 article

Robust Group Subspace Recovery: A New Approach for Multi-Modality Data Fusion

Ghanem, S., Panahi, A., Krim, H., & Kerekes, R. A. (2020, June 2). IEEE Sensors Journal, Vol. 20, pp. 12307–12316.

By: S. Ghanem n, A. Panahi n, H. Krim n & R. Kerekes*

author keywords: Sensor fusion; Data integration; Data models; Sparse matrices; Magnetic sensors; Sensor phenomena and characterization; Sparse learning; unsupervised classification; data fusion; multimodal data
topics (OpenAlex): Speech and Audio Processing; Blind Source Separation Techniques; Structural Health Monitoring Techniques
TL;DR: The resulting fusion of the unlabeled sensors’ data from experiments on audio and magnetic data has shown that the method is competitive with other state of the art subspace clustering methods. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 12, 2020

2020 article

Robust Multi-Modal Sensor Fusion: An Adversarial Approach

Roheda, S., Krim, H., & Riggan, B. S. (2020, August 24). IEEE Sensors Journal, Vol. 21, pp. 1885–1896.

By: S. Roheda n, H. Krim n & B. Riggan*

author keywords: Sensor fusion; Sensor phenomena and characterization; Generators; Sensor systems; Generative adversarial networks; Feature extraction; Multi-modal sensors; target detection; Generative Adversarial Networks (GAN); Event Driven Fusion
topics (OpenAlex): Target Tracking and Data Fusion in Sensor Networks; Remote-Sensing Image Classification; Infrared Target Detection Methodologies
TL;DR: This work exploits selected optimal features from an estimated latent space of data across all modalities, learned via a generative network conditioned on individual sensor modalities and shows that such an approach can achieve automatic system robustness against noisy/damaged sensors. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 19, 2021

2019 journal article

Analysis Dictionary Learning Based Classification: Structure for Robustness

IEEE Transactions on Image Processing, 28(12), 6035–6046.

By: W. Tang n, A. Panahi n, H. Krim n & L. Dai*

author keywords: Discriminate analysis dictionary learning; distributed analysis dictionary learning; structured mapping; supervised learning
topics (OpenAlex): Remote-Sensing Image Classification; Image Processing Techniques and Applications; Sparse and Compressive Sensing Techniques; Face and Expression Recognition; Advanced Image and Video Retrieval Techniques; Domain Adaptation and Few-Shot Learning
TL;DR: A consensus structured analysis dictionary and a global classifier are jointly learned in the distributed approach to safeguard the discriminative power and the efficiency of classification. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, Web Of Science
Added: October 19, 2020

2019 article proceedings

Analysis Dictionary Learning: an Efficient and Discriminative Solution

By: W. Tang n, A. Panahi n, H. Krim n & L. Dai n

topics (OpenAlex): Advanced Image and Video Retrieval Techniques; Domain Adaptation and Few-Shot Learning; Remote-Sensing Image Classification
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2019 conference paper

Anomaly Detection in Moving-Camera Video Sequences Using Principal Subspace Analysis

Thomaz, L., Jardim, E., Silva, A. F., Silva, E., Netto, S., & Krim, H. (2019, June 26). Presented at the 11th Conference on Telecommunications - ConfTele, Lisbon, Portugal.

By: L. Thomaz, E. Jardim, A. Silva, E. Silva, S. Netto & H. Krim

Source: NC State University Libraries
Added: April 24, 2025

2019 article

Community Detection and Improved Detectability in Multiplex Networks

Huang, Y., Panahi, A., Krim, H., & Dai, L. (2019, October 23). IEEE Transactions on Network Science and Engineering, Vol. 7, pp. 1697–1709.

By: Y. Huang n, A. Panahi*, H. Krim n & L. Dai*

author keywords: Multiplexing; Stochastic processes; Belief propagation; Correlation; Periodic structures; Computational modeling; Bayes methods; Network theory (graphs); graphical models; belief propagation
topics (OpenAlex): Complex Network Analysis Techniques; Opinion Dynamics and Social Influence; Data Visualization and Analytics; Advanced Graph Neural Networks; Bayesian Modeling and Causal Inference
TL;DR: A generative model that leverages the multiplicity of a single community in multiple layers, with no prior assumption on the relation of communities among different layers is proposed, which shows a better detection performance over a certain correlation and signal to noise ratio (SNR) range. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 21, 2020

2019 article

Deep Dictionary Learning: A PARametric NETwork Approach

Mahdizadehaghdam, S., Panahi, A., Krim, H., & Dai, L. (2019, May 8). IEEE Transactions on Image Processing, Vol. 28, pp. 4790–4802.

By: S. Mahdizadehaghdam n, A. Panahi n, H. Krim n & L. Dai*

author keywords: Image classification; deep learning; sparse representation
topics (OpenAlex): Image Processing Techniques and Applications; Image and Signal Denoising Methods; Digital Media Forensic Detection; Generative Adversarial Networks and Image Synthesis; Sparse and Compressive Sensing Techniques
TL;DR: The performance of the proposed hierarchical method increases by adding more layers, which consequently makes this model easier to tune and adapt and shows a remarkably lower fooling rate in the presence of adversarial perturbation. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 26, 2019

2019 article proceedings

Nonlinear Multi-scale Super-resolution Using Deep Learning

topics (OpenAlex): Advanced Image Processing Techniques; Advanced Vision and Imaging; Image and Signal Denoising Methods
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2019 article

Sparse Generative Adversarial Network

Mahdizadehaghdam, S., Panahi, A., & Krim, H. (2019, October 1). 2019 IEEE/CVF INTERNATIONAL CONFERENCE ON COMPUTER VISION WORKSHOPS (ICCVW), pp. 3063–3071.

By: S. Mahdizadehaghdam n, A. Panahi n & H. Krim n

topics (OpenAlex): Advanced Image Processing Techniques; Image and Signal Denoising Methods; Image Processing Techniques and Applications; Digital Media Forensic Detection
TL;DR: A new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well-recognized mode collapse, by mapping the desired data onto a frame-based space for a sparse representation to lift any limitation of small support features prior to learning the structure. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: September 7, 2020

2018 journal article

Bi-sparsity pursuit: A paradigm for robust subspace recovery

Signal Processing, 152, 148–159.

By: X. Bian n, A. Panahi n & H. Krim n

author keywords: Signal recovery; Sparse learning; Subspace modeling
topics (OpenAlex): Sparse and Compressive Sensing Techniques; Photoacoustic and Ultrasonic Imaging; Advanced Optical Sensing Technologies
TL;DR: A bi-sparse model is proposed as a framework to analyze this problem, and a novel algorithm to recover the union of subspaces in the presence of sparse corruptions is provided. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2018 conference paper

Cross-Modality Distillation: A Case for Conditional Generative Adversarial Networks

2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2926–2930.

By: S. Roheda n, B. Riggan*, H. Krim n & L. Dai*

topics (OpenAlex): Underwater Acoustics Research; Geophysical Methods and Applications; Advanced Neural Network Applications
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2018 article proceedings

Decision Level Fusion: An Event Driven Approach

By: S. Roheda n, H. Krim n, Z. Luo n & T. Wu n

topics (OpenAlex): Distributed Sensor Networks and Detection Algorithms; Target Tracking and Data Fusion in Sensor Networks; Fault Detection and Control Systems
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2018 conference paper

Demystifying Deep Learning: a Geometric Approach to Iterative Projections

2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 6857–6861.

By: A. Panahi n, H. Krim n & L. Dai n

topics (OpenAlex): Advanced Numerical Analysis Techniques; Advanced Vision and Imaging; Model Reduction and Neural Networks
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2018 article

Fusing Heterogeneous Data: A Case for Remote Sensing and Social Media

Wang, H., Skau, E., Krim, H., & Cervone, G. (2018, July 17). IEEE Transactions on Geoscience and Remote Sensing, Vol. 56, pp. 6956–6968.

By: H. Wang*, E. Skau*, H. Krim n & G. Cervone*

author keywords: Least effort principle; maximum entropy models; optimal transport; remote sensing; social media; volunteering labels
topics (OpenAlex): Flood Risk Assessment and Management; Anomaly Detection Techniques and Applications; Seismology and Earthquake Studies
TL;DR: A new methodology is introduced for the fusion of measured data for detecting and predicting weather-driven natural hazards, and it is shown that by fusing remote sensing and social media data, it can develop well founded and actionable flood maps. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 17, 2018

2018 conference paper

Fusion of Community Structures in Multiplex Networks by Label Constraints

2018 26th European Signal Processing Conference (EUSIPCO), 887–891.

By: Y. Huang n, A. Panahi n, H. Krim n & L. Dai*

topics (OpenAlex): Complex Network Analysis Techniques; Opinion Dynamics and Social Influence; Peer-to-Peer Network Technologies
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2018 article proceedings

Information Subspace-Based Fusion for Vehicle Classification

topics (OpenAlex): Blind Source Separation Techniques; Speech and Audio Processing; Target Tracking and Data Fusion in Sensor Networks
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2018 article

Metric Driven Classification: A Non-Parametric Approach Based on the Henze–Penrose Test Statistic

Ghanem, S., Krim, H., Clouse, H. S., & Sakla, W. (2018, August 1). IEEE Transactions on Image Processing, Vol. 27, pp. 5947–5956.

By: S. Ghanem n, H. Krim n, H. Clouse & W. Sakla*

author keywords: Dimensionality reduction; classification; divergence measures; nearest neighbor graph; pattern recognition
topics (OpenAlex): Face and Expression Recognition; Remote-Sensing Image Classification; Advanced Statistical Methods and Models
TL;DR: The usage of a non-parametric distribution-free metric, known as the Henze–Penrose test statistic is investigated to obtain bounds for the bounds on the <inline-formula> <tex-math notation="LaTeX">$k$ </tex- math></inline- formula>-NN classification accuracy. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 16, 2018

2018 article

Reuse-Centric K-Means Configuration

Guan, H., Ding, Y., Shen, X., & Krim, H. (2018, April 1). 2018 IEEE 34TH INTERNATIONAL CONFERENCE ON DATA ENGINEERING (ICDE), pp. 1224–1227.

By: H. Guan n, Y. Ding n, X. Shen n & H. Krim n

topics (OpenAlex): Data Mining Algorithms and Applications; Data Stream Mining Techniques; Face and Expression Recognition
TL;DR: A set of novel techniques are presented, including reuse-based filtering, center reuse, and a two-phase design to capitalize on the reuse opportunities on three levels: validation, k, and feature sets, to accelerate k-means configuration. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: November 11, 2019

2018 article

Robust Subspace Clustering by Bi-Sparsity Pursuit: Guarantees and Sequential Algorithm

Panahi, A., Bian, X., Krim, H., & Dai, L. (2018, March 1). 2018 IEEE WINTER CONFERENCE ON APPLICATIONS OF COMPUTER VISION (WACV 2018), pp. 1302–1311.

By: A. Panahi n, X. Bian n, H. Krim n & L. Dai*

topics (OpenAlex): Sparse and Compressive Sensing Techniques; Face and Expression Recognition; Remote-Sensing Image Classification
TL;DR: This work considers subspace clustering under sparse noise, and provides an analysis of this optimization problem demonstrating that this approach is capable of recovering linear subspaces as a local optimal solution for sufficiently large data sets and sparse noise vectors. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 article proceedings

Robust Subspace Clustering for Radar Detection

topics (OpenAlex): Radar Systems and Signal Processing; Direction-of-Arrival Estimation Techniques; Advanced SAR Imaging Techniques
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2018 article proceedings

Structured Analysis Dictionary Learning for Image Classification

By: W. Tang n, A. Panahi n, H. Krim n & L. Dai n

topics (OpenAlex): Image Processing Techniques and Applications; Domain Adaptation and Few-Shot Learning; Sparse and Compressive Sensing Techniques
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4. Quality Education (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2017 article proceedings

A model-free causality measure based on multi-variate delay embedding

By: S. Emrani n & H. Krim n

topics (OpenAlex): Fractal and DNA sequence analysis; Chaos control and synchronization; Complex Systems and Time Series Analysis
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2017 article

Anomaly Detection in Moving-Camera Video Sequences Using Principal Subspace Analysis

Thomaz, L. A., Jardim, E., Silva, A. F., Silva, E. A. B., Netto, S. L., & Krim, H. (2017, October 25). IEEE Transactions on Circuits and Systems I Regular Papers, Vol. 65, pp. 1003–1015.

author keywords: Video anomaly detection; sparse representation; object detection; moving camera; subspace recovery
topics (OpenAlex): Anomaly Detection Techniques and Applications; Sparse and Compressive Sensing Techniques; Digital Media Forensic Detection
TL;DR: A family of algorithms based on sparse decompositions that detect anomalies in video sequences obtained from slow moving cameras by computing the union of subspaces that best represents all the frames from a reference video as a low-rank projection plus a sparse residue. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 article

Detection of abandoned objects using robust subspace recovery with intrinsic video alignment

Thomaz, L. A., Silva, A. F., Silva, E. A. B., Netto, S. L., & Krim, H. (2017, May 1). 2017 Ieee International Symposium on Circuits and Systems (Iscas), pp. 599–602.

topics (OpenAlex): Video Surveillance and Tracking Methods; Digital Media Forensic Detection; Anomaly Detection Techniques and Applications
TL;DR: Results indicate that the proposed video-processing scheme can lead to 95% complexity reduction while maintaining excellent detection capability of foreground objects. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2017 article

Determination of a Sampling Criterion for 3D Reconstruction

Lee, D., & Krim, H. (2017, February 21). Journal of Imaging Science and Technology, Vol. 61.

By: D. Lee & H. Krim*

topics (OpenAlex): Optical measurement and interference techniques; Image and Object Detection Techniques; Advanced Measurement and Metrology Techniques
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UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 article proceedings

Image classification: A hierarchical dictionary learning approach

topics (OpenAlex): Image Retrieval and Classification Techniques; Advanced Image and Video Retrieval Techniques; Remote-Sensing Image Classification
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 16, 2025

2017 conference paper

Information diffusion in interconnected heterogeneous networks

2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 3759–3763.

topics (OpenAlex): Opinion Dynamics and Social Influence; Complex Network Analysis Techniques; Quantum many-body systems
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2017 article

Sampling Density Criterion for Circular Structured Light 3D Imaging

Lee, D., & Krim, H. (2017, January 1). PROCEEDINGS OF THE 12TH INTERNATIONAL JOINT CONFERENCE ON COMPUTER VISION, IMAGING AND COMPUTER GRAPHICS THEORY AND APPLICATIONS (VISIGRAPP 2017), VOL 6, pp. 478–483.

By: D. Lee* & H. Krim n

author keywords: 3D Reconstruction; Structured Light Pattern; Sampling Theorem; Geometry
topics (OpenAlex): Advanced Optical Sensing Technologies; Surface Roughness and Optical Measurements; Industrial Vision Systems and Defect Detection
TL;DR: An approach to sampling rate (lower / upper b ound) determination to recover 3D objects represented by a set of circular light patterns, where the criterion for a sampling rate is formulated using geometric characteristics of the light patterns over laid on the surface. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: October 16, 2018

2017 article

System input–output theoretic three-dimensional measurement based on circular-shaped structured light patterns

Lee, D., & Krim, H. (2017, July 14). Optical Engineering, Vol. 56.

By: D. Lee* & H. Krim n

author keywords: reconstruction; system identification; structured light system; modulation-demodulation; multiple viewpoints; multiple projectors
topics (OpenAlex): Advanced Optical Sensing Technologies; Optical measurement and interference techniques; Ocular and Laser Science Research
TL;DR: This contribution chiefly deals with approximate reconstruction results that are sufficient for practical applications, such as 3-D object detection, clarification, recognition, and classification, rather than a perfect3-D reconstruction itself. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 article

A behavior-based evaluation of product quality

Liang, W., Wang, H., & Krim, H. (2016, March 1). International Conference on Acoustics Speech and Signal Processing, pp. 1916–1920.

By: W. Liang n, H. Wang n & H. Krim n

topics (OpenAlex): Neurobiology and Insect Physiology Research; Biomimetic flight and propulsion mechanisms; Insect and Arachnid Ecology and Behavior
TL;DR: A general framework for the swarm motion analysis of multiple mosquitos based on 2D videos is proposed and the effectiveness and robustness of the algorithm are verified by multiple2D videos capturing mosquitos behavior in different experimental conditions. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 article

A topological collapse for document summarization

Guan, H., Tang, W., Krim, H., Keiser, J., Rindos, A., & Sazdanovic, R. (2016, July 1). Ieee International Workshop on Signal Processing Advances in Wireless.

By: H. Guan*, W. Tang*, H. Krim*, J. Keiser, A. Rindos* & R. Sazdanovic n

Contributors: H. Guan*, W. Tang*, H. Krim*, J. Keiser, A. Rindos* & R. Sazdanovic n

topics (OpenAlex): Advanced Text Analysis Techniques; Data Visualization and Analytics
TL;DR: DoCollapse is proposed, a topological collapse-based unsupervised keyphrase extraction method that relies on networking document by semantic relatedness of candidate keyphrases to facilitate final keyphrase selection. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2016 article

Analysis dictionary learning for scene classification

Tang, W., Otero, I. R., Krim, H., & Dai, L. (2016, June 1). 2016 IEEE Statistical Signal Processing Workshop (SSP).

By: W. Tang n, I. Otero n, H. Krim n & L. Dai*

topics (OpenAlex): Advanced Image and Video Retrieval Techniques; Sparse and Compressive Sensing Techniques; Image Processing Techniques and Applications
TL;DR: A supervised way to train the baseline representation for each class-specific dictionary, and achieve multiple classification by finding the minimum distance between the learned baseline representation and the data's sub-dictionary representation. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 article

Beyond union of subspaces: Subspace pursuit on Grassmann manifold for data representation

Shen, X., Krim, H., & Gu, Y. (2016, March 1). International Conference on Acoustics Speech and Signal Processing, pp. 4079–4083.

By: X. Shen*, H. Krim n & Y. Gu*

topics (OpenAlex): Sparse and Compressive Sensing Techniques; Advanced SAR Imaging Techniques; Optical measurement and interference techniques
TL;DR: This paper exploits the fundamental structure of a Grassmann manifold, and proposes a new technique of pursuing the subspaces systematically by solving a non-convex optimization problem using the alternating direction method of multipliers. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 article

Discovering the Whole by the Coarse: A topological paradigm for data analysis

Krim, H., Gentimis, T., & Chintakunta, H. (2016, March 1). IEEE Signal Processing Magazine, Vol. 33, pp. 95–104.

By: H. Krim n, T. Gentimis* & H. Chintakunta*

topics (OpenAlex): Topological and Geometric Data Analysis; Digital Image Processing Techniques; Cell Image Analysis Techniques
TL;DR: The increasing interest in big data applications is ushering in a large effort in seeking new, efficient, and adapted data models to reduce complexity, while preserving maximal intrinsic information. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Influence of Radical Bridges on Electron Spin Coupling

The Journal of Physical Chemistry A, 121(1), 216–225.

topics (OpenAlex): Magnetism in coordination complexes; Electron Spin Resonance Studies; Lanthanide and Transition Metal Complexes
TL;DR: Kohn-Sham density functional theory is used to study how much the ground spin state is stabilized relative to other low-lying spin states by creating an additional spin center on the bridge for a series of simple model compounds, which could provide a basis for constructing sensitive test systems for benchmarking theoretical methods for spin state energy splitting. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2016 article

Information Diffusion of Topic Propagation in Social Media

Mahdizadehaghdam, S., Wang, H., Krim, H., & Dai, L. (2016, January 1). IEEE Transactions on Signal and Information Processing over Networks, Vol. 2, pp. 569–581.

By: S. Mahdizadehaghdam n, H. Wang n, H. Krim n & L. Dai*

author keywords: Computer networks; information diffusion; multi-layer network; topic propagation
topics (OpenAlex): Complex Network Analysis Techniques; Opinion Dynamics and Social Influence; Computational and Text Analysis Methods
TL;DR: The goal in this paper is to predict the specific states of the agents, as their observed resources evolve in time and get updated, using a notion of a supra-Laplacian matrix to address such a generalized diffusion of an interconnected network starting with the classical “graph Laplacians.” (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 article

Introduction to the special session on Topological Data Analysis, ICASSP 2016

Chintakunta, H., Robinson, M., & Krim, H. (2016, March 1). International Conference on Acoustics Speech and Signal Processing, pp. 6410–6414.

By: H. Chintakunta*, M. Robinson* & H. Krim n

topics (OpenAlex): Topological and Geometric Data Analysis; Clusterin in disease pathology; Digital Image Processing Techniques
TL;DR: The standard techniques used in topological data analysis are introduced, the common theme connecting the works presented in this session is delineated, and a brief summary of each of the papers presented is concluded. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 article

Node Dominance: Revealing Community and Core-Periphery Structure in Social Networks

Gamble, J., Chintakunta, H., Wilkerson, A., & Krim, H. (2016, February 10). IEEE Transactions on Signal and Information Processing over Networks, Vol. 2, pp. 186–199.

By: J. Gamble n, H. Chintakunta*, A. Wilkerson n & H. Krim n

author keywords: Core-periphery; community detection; simplicial collapse; topological data analysis; social network
topics (OpenAlex): Complex Network Analysis Techniques; Opinion Dynamics and Social Influence; Peer-to-Peer Network Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 article

Non-parametric bounds on the nearest neighbor classification accuracy based on the Henze-Penrose metric

Ghanem, S., Skau, E., Krim, H., Clouse, H. S., & Sakla, W. (2016, August 17). 2016 Ieee International Conference on Image Processing (Icip), pp. 1364–1368.

By: S. Ghanem n, E. Skau n, H. Krim n, H. Clouse* & W. Sakla*

topics (OpenAlex): Face and Expression Recognition; Automated Road and Building Extraction; Advanced Neural Network Applications
TL;DR: Simulation results demonstrate the effectiveness and the reliability of the Henze-Penrose metric in estimating the inter-class separability and the proposed bounds are exploited for selecting the least number of features that would retain sufficient discriminative information. (via Semantic Scholar)
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10. Reduced Inequalities (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 article

Pansharpening via coupled triple factorization dictionary learning

Skau, E., Wohlberg, B., Krim, H., & Dai, L. (2016, March 1). International Conference on Acoustics Speech and Signal Processing, pp. 1234–1237.

By: E. Skau n, B. Wohlberg*, H. Krim n & L. Dai n

topics (OpenAlex): Advanced Image Fusion Techniques; Photoacoustic and Ultrasonic Imaging; Image Enhancement Techniques
TL;DR: The results demonstrate that the data fusion model can successfully be applied to the pan-sharpening problem and is applicable to the pansharpening data fusion problem. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 article

Sparsity and Nullity: Paradigms for Analysis Dictionary Learning

Bian, X., Krim, H., Bronstein, A., & Dai, L. (2016, January 1). SIAM Journal on Imaging Sciences, Vol. 9, pp. 1107–1126.

By: X. Bian, H. Krim*, A. Bronstein & L. Dai

author keywords: dictionary learning; sparse coding; sparse null space problem; union of subspaces
topics (OpenAlex): Lexicography and Language Studies; Natural Language Processing Techniques; Sparse and Compressive Sensing Techniques; Photoacoustic and Ultrasonic Imaging; Image and Signal Denoising Methods
TL;DR: It is shown that the SNS problem plays a central role, and may be utilized to solve dictionary learning problems, and an efficient algorithm of sparse null space basis pursuit (SNS-BP) is proposed and extended to a solution of ADL. (via Semantic Scholar)
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4. Quality Education (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

3D face recognition in the Fourier domain using deformed circular curves

Multidimensional Systems and Signal Processing, 28(1), 105–127.

By: D. Lee* & H. Krim n

author keywords: Face recognition; Classification; Deformed circular curves; Geodesic distance; Fourier Transform; Dimensionality reduction
topics (OpenAlex): Image Retrieval and Classification Techniques; Medical Image Segmentation Techniques; Image Processing and 3D Reconstruction
TL;DR: This paper proposes an approach to 3D face recognition using dimensionality reduction based on deformed circular curves, on the shortest geodesic distances, and on the properties of the Fourier Transform. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, Web Of Science
Added: August 6, 2018

2015 article

A Novel Framework for Pulse Pressure Wave Analysis Using Persistent Homology

Emrani, S., Saponas, T. S., Morris, D., & Krim, H. (2015, June 3). IEEE Signal Processing Letters, Vol. 22.

By: S. Emrani n, T. Saponas*, D. Morris* & H. Krim n

author keywords: Algebraic topology algorithms; pulse pressure waves; topological signal analysis; wearable sensors
topics (OpenAlex): Topological and Geometric Data Analysis; Advanced Neuroimaging Techniques and Applications; Alzheimer's disease research and treatments
TL;DR: Four characteristic points of pulse pressure waves-the systolic peak, the anacrotic notch, the dicrotic notch, and the diastolic foot-are used to estimate various aspects of cardiovascular function, such as heart rate and augmentation index are proposed. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 article

BI-sparsity pursuit for robust subspace recovery

Bian, X., & Krim, H. (2015, September 1). 2015 Ieee International Conference on Image Processing (Icip), pp. 3535–3539.

By: X. Bian n & H. Krim n

topics (OpenAlex): Sparse and Compressive Sensing Techniques; Photoacoustic and Ultrasonic Imaging; Image and Signal Denoising Methods
TL;DR: A bi-sparse model is proposed as a framework to investigate and analyze this problem, and a novel algorithm to recover the union of subspaces in presence of sparse corruptions is provided. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 article

Coordinate-free quantification of coverage in dynamic sensor networks

Gamble, J., Chintakunta, H., & Krim, H. (2015, February 20). Signal Processing, Vol. 114, pp. 1–18.

By: J. Gamble n, H. Chintakunta* & H. Krim n

author keywords: Dynamic sensor network; Coverage problem; Homology; Coordinate-free
topics (OpenAlex): Topological and Geometric Data Analysis; Homotopy and Cohomology in Algebraic Topology; Advanced Fluorescence Microscopy Techniques
TL;DR: A method from computational topology called zigzag persistent homology takes a sequence of simplicial complexes as input, and returns a 'barcode' containing the birth and death times of homological features in this sequence, and derives useful statistics from this output for analyzing time-varying coverage properties. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 article

Emergence of core-periphery structure from local node dominance in social networks

Gamble, J., Chintakunta, H., & Krim, H. (2015, August 1). 2015 23rd European Signal Processing Conference (Eusipco), pp. 1910–1914.

By: J. Gamble n, H. Chintakunta* & H. Krim n

topics (OpenAlex): Complex Network Analysis Techniques; Opinion Dynamics and Social Influence; Advanced Graph Neural Networks
TL;DR: It is shown that the resulting core describes the global structure of the network, while also preserving shortest paths, and displaying "expander-like" properties. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 article

Geometric Methods in Signal and Image Analysis

Krim, H., & Hamza, A. B. (2015, June 18). Cambridge University Press EBooks.

By: H. Krim n & A. Hamza*

topics (OpenAlex): Medical Image Segmentation Techniques; Digital Image Processing Techniques; Image Retrieval and Classification Techniques
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 article

On the detection of abandoned objects with a moving camera using robust subspace recovery and sparse representation

Jardim, E., Bian, X., Silva, E. A. B., Netto, S. L., & Krim, H. (2015, April 1). International Conference on Acoustics Speech and Signal Processing, pp. 1295–1299.

topics (OpenAlex): Sparse and Compressive Sensing Techniques; Image Processing Techniques and Applications; Image and Object Detection Techniques
TL;DR: This work considers the application of sparse-representation and robust-subspace-recovery techniques to detect abandoned objects in a target video acquired with a moving camera to demonstrate the technique effectiveness even in the presence of some significant camera shake along its trajectory. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 article

Real-time multiple DOA estimation of speech sources in wireless acoustic sensor networks

Ayllon, D., Gil-Pita, R., Rosa-Zurera, M., & Krim, H. (2015, April 1). International Conference on Acoustics Speech and Signal Processing, pp. 2709–2713.

topics (OpenAlex): Speech and Audio Processing; Indoor and Outdoor Localization Technologies; Advanced Adaptive Filtering Techniques
TL;DR: A distributed algorithm for multiple DOA estimation of speech sources in WASNs is presented, which exploits the sparsity ofspeech sources in the time-frequency domain to obtain DOA estimations locally in each node of the network. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 article

Sparse null space basis pursuit and analysis dictionary learning for high-dimensional data analysis

Bian, X., Krim, H., Bronstein, A., & Dai, L. (2015, April 1). International Conference on Acoustics Speech and Signal Processing, pp. 3781–3785.

topics (OpenAlex): Sparse and Compressive Sensing Techniques; Photoacoustic and Ultrasonic Imaging; Microwave Imaging and Scattering Analysis
TL;DR: It is shown that the SNS problem plays a central role, and may be utilized to solve dictionary learning problems, and an efficient algorithm of sparse null space basis pursuit is proposed, and extended to a solution of analysis dictionary learning. (via Semantic Scholar)
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4. Quality Education (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 article

Spectral estimation in highly transient data

Emrani, S., & Krim, H. (2015, August 1). 2015 23rd European Signal Processing Conference (Eusipco), pp. 1721–1725.

By: S. Emrani n & H. Krim n

topics (OpenAlex): Blind Source Separation Techniques; Speech and Audio Processing; Image and Signal Denoising Methods
TL;DR: A new framework for estimating different frequencies in piece-wise periodic signals with time varying amplitude and phase is proposed through a 3-dimensional delay embedding of the introduced model, which constructs a union of intersecting planes where each plane corresponds to one frequency. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2014 article

Adaptive tracking of representative cycles in regular and zigzag persistent homology

ArXiv (Cornell University), Version 1.

By: J. Gamble, H. Chintakunta & H. Krim*

topics (OpenAlex): Topological and Geometric Data Analysis; Advanced Computing and Algorithms; Neural Networks and Applications
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2014 journal article

An entropy-based persistence barcode

Pattern Recognition, 48(2), 391–401.

By: H. Chintakunta n, T. Gentimis n, R. Gonzalez-Diaz*, M. Jimenez* & H. Krim n

author keywords: Persistent homology; Persistence barcodes; Hasse diagram; Simplicial complexes; Entropy; Filtration; Filter
topics (OpenAlex): Topological and Geometric Data Analysis; Homotopy and Cohomology in Algebraic Topology; Alzheimer's disease research and treatments
TL;DR: The notion of "minimal" barcodes in terms of entropy is defined, by way of computation, and subsequent modification, of maximum matchings on subgraphs of the Hasse diagram associated to K. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2014 article

Analysis and Control of Beliefs in Social Networks

Wang, T., Krim, H., & Viniotis, Y. (2014, August 27). IEEE Transactions on Signal Processing, Vol. 62, pp. 5552–5564.

By: T. Wang n, H. Krim n & Y. Viniotis n

author keywords: Complex networks; information flow; machine learning
topics (OpenAlex): Opinion Dynamics and Social Influence; Complex Network Analysis Techniques; Game Theory and Applications
TL;DR: An information flow model (IFM) of belief that captures how interactions among members affect the diffusion and eventual convergence of a belief is proposed and applied to both converged belief estimation and belief control strategy optimization. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 article

Computing persistent features in big data: A distributed dimension reduction approach

Wilkerson, A. C., Chintakunta, H., & Krim, H. (2014, May 1). International Conference on Acoustics Speech and Signal Processing.

By: A. Wilkerson n, H. Chintakunta n & H. Krim n

topics (OpenAlex): Topological and Geometric Data Analysis; Homotopy and Cohomology in Algebraic Topology; Alzheimer's disease research and treatments
TL;DR: A simplicial collapse algorithm called the selective collapse is developed by representing the previously developed strong collapse as a forest and uses that forest data to improve the speed of both the strong collapse and of persistent homology. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2014 article

Distributed Localization of Coverage Holes Using Topological Persistence

Chintakunta, H., & Krim, H. (2014, March 26). IEEE Transactions on Signal Processing, Vol. 62, pp. 2531–2541.

By: H. Chintakunta n & H. Krim n

author keywords: Algebraic topology; distributed algorithms; graph theory; sensor networks
topics (OpenAlex): Topological and Geometric Data Analysis; Distributed Control Multi-Agent Systems; Energy Efficient Wireless Sensor Networks
TL;DR: This work uses algebraic topological methods to define a coverage hole, and develops provably correct algorithm to detect a hole, which is then partitioned into smaller subnetworks, ensuring that the holes are preserved, and checking for holes in each. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Estimation of 3D Geometry Using Multi-View and Structured Circular Light System

Journal of Image and Graphics, 77–82.

By: D. Lee & H. Krim n

topics (OpenAlex): Optical measurement and interference techniques; Advanced Vision and Imaging; 3D Surveying and Cultural Heritage
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2014 article

Persistent Homology of Delay Embeddings and its Application to Wheeze Detection

Emrani, S., Gentimis, T., & Krim, H. (2014, February 11). IEEE Signal Processing Letters, Vol. 21, pp. 459–463.

By: S. Emrani n, T. Gentimis n & H. Krim n

author keywords: Algebraic topology algorithms; audio analysis; biomedical signal processing; topological signal analysis
topics (OpenAlex): Topological and Geometric Data Analysis
TL;DR: To discover the proper delay, this work proposes an autocorrelation like (ACL) function of the signals, and applies the introduced topological approach to analyze breathing sound signals for wheeze detection. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 article

Real time detection of harmonic structure: A case for topological signal analysis

Emrani, S., Chintakunta, H., & Krim, H. (2014, May 1). International Conference on Acoustics Speech and Signal Processing.

By: S. Emrani n, H. Chintakunta n & H. Krim n

topics (OpenAlex): Music and Audio Processing; Topological and Geometric Data Analysis
TL;DR: Using delay embeddings, the timedomain signal is transformed into a point cloud, whose topology reflects the periodic behavior of the signal, and the Euler characteristic provides for a fast computation of topology of the resulting manifold. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2014 conference paper

Robust Detection of Periodic Patterns in Gene Expression Microarray Data using Topological Signal Analysis

Emrani, S., & Krim, H. (2014, December 3). Presented at the 2014 IEEE Global Conference on Signal and Information Processing (GlobalSIP), Atlanta, Georgia.

By: S. Emrani n & H. Krim n

topics (OpenAlex): Topological and Geometric Data Analysis; Cell Image Analysis Techniques; Bioinformatics and Genomic Networks
Sources: NC State University Libraries, NC State University Libraries
Added: April 24, 2025

2014 article

Subspace Learning of Dynamics on a Shape Manifold: A Generative Modeling Approach

Yi, S., & Krim, H. (2014, September 15). IEEE Transactions on Image Processing, Vol. 23, pp. 4907–4919.

By: S. Yi* & H. Krim n

author keywords: Subspace learning; dimension reduction; shape analysis; shape dynamic analysis
topics (OpenAlex): Advanced Vision and Imaging; Optical measurement and interference techniques; 3D Shape Modeling and Analysis
TL;DR: A novel subspace learning algorithm of shape dynamics that is invertible and better characterizes the nonlinear geometry of a shape manifold while retaining a good computational efficiency is proposed. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 article

A Generalized Markov Graph Model: Application to Social Network Analysis

Wang, T., Krim, H., & Viniotis, Y. (2013, February 12). IEEE Journal of Selected Topics in Signal Processing, Vol. 7, pp. 318–332.

By: T. Wang n, H. Krim n & Y. Viniotis n

author keywords: Complex networks; pattern recognition; classification; Markov graph model
topics (OpenAlex): Complex Network Analysis Techniques; Opinion Dynamics and Social Influence; Advanced Graph Neural Networks
TL;DR: A generalized Markov Graph model for social networks is proposed and it is revealed that the degree distribution, the clustering coefficient distribution as well as a newly discovered feature, a crowding coefficient distribution, are fundamental to characterizing a social network. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 chapter

A Subspace Learning of Dynamics on a Shape Manifold: A Generative Modeling Approach

In Lecture Notes in Computer Science (pp. 84–91).

By: S. Yi* & H. Krim n

topics (OpenAlex): Advanced Vision and Imaging; Optical measurement and interference techniques; Music and Audio Processing
TL;DR: A novel subspace learning algorithm of shape dynamics that is invertible and better characterizes the nonlinear geometry of a shape manifold while retaining a good computational efficiency is proposed. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2013 article proceedings

A distributed collapse of a network's dimensionality

By: A. Wilkerson n, H. Chintakunta n, H. Krim n, T. Moore* & A. Swami*

topics (OpenAlex): Topological and Geometric Data Analysis; Homotopy and Cohomology in Algebraic Topology; Advanced Fluorescence Microscopy Techniques
Sources: Crossref, NC State University Libraries
Added: March 17, 2025

2013 chapter

Activity Video Analysis via Operator-Based Local Embedding

In Lecture Notes in Computer Science (pp. 845–852).

By: X. Bian n & H. Krim n

topics (OpenAlex): Human Pose and Action Recognition; Advanced Vision and Imaging; Video Analysis and Summarization
TL;DR: This paper proposed a novel geometric framework to investigate the temporal relations as well as spatial features in a video sequence, and an algorithm for human activity video classification is implemented by employing Markov models in the low dimensional embedding space. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2013 article proceedings

Control and prediction of beliefs on social network

By: T. Wang n & H. Krim n

topics (OpenAlex): Complex Network Analysis Techniques; Opinion Dynamics and Social Influence; Game Theory and Applications
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2013 chapter

Optimal Operator Space Pursuit: A Framework for Video Sequence Data Analysis

In Computer Vision – ACCV 2012 (pp. 760–769).

By: X. Bian n & H. Krim n

topics (OpenAlex): Advanced Vision and Imaging; Sparse and Compressive Sensing Techniques; Image and Signal Denoising Methods
TL;DR: This paper exploits a fibre bundle formalism to model various realizations of each trajectory, and characterize these high dimensional data sequences by an optimal operator subspace, and proposes a fast method with superior performance for video based human activity classification. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2013 article

Simplifying the homology of networks via strong collapses

Wilkerson, A. C., Moore, T. J., Swami, A., & Krim, H. (2013, May 1). International Conference on Acoustics Speech and Signal Processing, pp. 5258–5262.

By: A. Wilkerson n, T. Moore*, A. Swami* & H. Krim n

topics (OpenAlex): Topological and Geometric Data Analysis; Homotopy and Cohomology in Algebraic Topology; Advanced Neuroimaging Techniques and Applications
TL;DR: A novel algorithm is detailed for simplifying homology and “hole location” computations on a complex by reducing it to its core using a strong collapse, which leads to significant savings in complexity. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2013 chapter

Towards Minimal Barcodes

In Graph-Based Representations in Pattern Recognition (pp. 184–193).

topics (OpenAlex): Topological and Geometric Data Analysis; Homotopy and Cohomology in Algebraic Topology; Advanced Combinatorial Mathematics
TL;DR: This paper provides an algorithm for computing a filter for k = 1 on the Hasse diagram of the poset of faces of K, which correspond to homology classes with life-times longer than a fixed number k. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2013 article

Wheeze Detection and Location using Spectro-temporal Analysis of Lung Sounds

Emrani, S., & Krim, H. (2013, May 1). 29TH SOUTHERN BIOMEDICAL ENGINEERING CONFERENCE (SBEC 2013), pp. 37–38.

By: S. Emrani n & H. Krim n

topics (OpenAlex): Phonocardiography and Auscultation Techniques; Nursing Diagnosis and Documentation
TL;DR: An automatic wheeze detector for a wearable health monitoring system, which is able to locate the wheezes inside the respiratory cycle with high accuracy, and low computational complexity is designed. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 article

A Sampling Theorem for a 2D Surface

Lee, D., & Krim, H. (2012, January 1). Lecture Notes in Computer Science, Vol. 6667, pp. 556–567.

By: D. Lee n & H. Krim n

topics (OpenAlex): Optical measurement and interference techniques; Digital Image Processing Techniques; Medical Image Segmentation Techniques
TL;DR: A new approach to determining an optimal sampling rate for a 2D-surface reconstruction using the so-called Two-Thirds Power Law is proposed, which is of interest in a number of applications such as 3D face recognition and development of new efficient 3D cameras. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2012 article proceedings

Applied topology in static and dynamic sensor networks

By: J. Gamble n, H. Chintakunta n & H. Krim n

topics (OpenAlex): Topological and Geometric Data Analysis; Homotopy and Cohomology in Algebraic Topology; Neuroinflammation and Neurodegeneration Mechanisms
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2012 article

Human Activity Modeling as Brownian Motion on Shape Manifold

Yi, S., Krim, H., & Norris, L. K. (2012, January 1). Lecture Notes in Computer Science, Vol. 6667, pp. 628–639.

By: S. Yi*, H. Krim* & L. Norris*

topics (OpenAlex): Human Pose and Action Recognition; Human Motion and Animation; Video Surveillance and Tracking Methods
TL;DR: The result demonstrate the high accuracy of the modeling in characterizing different activities as well as the one to one correspondence between the process in Euclidean space and the one on manifold. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2012 article

Human Activity as a Manifold-Valued Random Process

Yi, N. S., Krim, H., & Norris, L. K. (2012, July 13). IEEE Transactions on Image Processing, Vol. 21, pp. 3416–3428.

By: N. Yi*, H. Krim n & L. Norris n

author keywords: Activity recognition; parallel transport; shape manifold; stationary incremental process; stochastic development
MeSH headings : Actigraphy / methods; Algorithms; Artificial Intelligence; Computer Simulation; Data Interpretation, Statistical; Humans; Image Interpretation, Computer-Assisted / methods; Models, Biological; Models, Statistical; Motor Activity / physiology; Reproducibility of Results; Sensitivity and Specificity; Whole Body Imaging / methods
topics (OpenAlex): Time Series Analysis and Forecasting; Morphological variations and asymmetry; Anomaly Detection Techniques and Applications
TL;DR: This work effectively bridges the nonlinear modeling of human activity on a nonlinear space, with the classic stochastic modeling in a Euclidean space, and thereby provides a foundation for a more effective and accurate analysis of the non linear feature space of activity models. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 article proceedings

Statistical classification of social networks

By: T. Wang n & H. Krim n

topics (OpenAlex): Complex Network Analysis Techniques; Opinion Dynamics and Social Influence; Advanced Graph Neural Networks
TL;DR: Experimental classification demonstrates a very good performance of the proposed method on real social network data, and validates the hypothesis that Degree Centralities and clustering coefficients are the only two viable independent properties of a social network. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2012 chapter

System Identification: 3D Measurement Using Structured Light System

In Advanced Concepts for Intelligent Vision Systems (pp. 1–11).

By: D. Lee n & H. Krim n

topics (OpenAlex): Optical measurement and interference techniques; Advanced Optical Sensing Technologies; Image Processing Techniques and Applications
TL;DR: This paper proposes the approach to identification of reconstruction system, and substantiates the algorithm by showing results using inexpensive and simple experimental setup. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2011 article

A invertible dimension reduction of curves on a manifold

Yi, N. S., Krim, H., & Norris, L. K. (2011, November 1). 2011 IEEE International Conference on Computer Vision Workshops (ICCV Workshops).

By: N. Yi n, H. Krim n & L. Norris n

topics (OpenAlex): Advanced Vision and Imaging; Advanced Numerical Analysis Techniques; 3D Shape Modeling and Analysis
TL;DR: This paper proposes a novel lower dimensional representation of a shape sequence using a sequence of local flat subspaces adaptive to the geometry of both of the curve and the manifold it lies on and demonstrates the advantages of the proposed theoretical innovation. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2011 article

A scaled, performance driven evaluation of the layered-sensing framework utilizing polarimetric infrared imagery

Clouse, H. S., Krim, H., & Mendoza-Schrock, O. (2011, May 13). Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE, Vol. 8059.

By: H. Clouse n, H. Krim n & O. Mendoza-Schrock*

author keywords: layered sensing; distributed sensing; polarimetric; infrared; tracking; feature-aided; fusion; multisensor
topics (OpenAlex): Remote-Sensing Image Classification; Advanced Chemical Sensor Technologies; Infrared Target Detection Methodologies
TL;DR: This work presents an analysis of polarimetric infrared data, with two novel features, as one of the input modalities to such a system, and proceeds with statistical and geometric analyses of an example network, thus quantifying the advantages and drawbacks of a specific application of the layered sensing framework. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 article

Robustness and expression independence in 3D face recognition

Miao, S., & Krim, H. (2011, October 1). 2011 Ieee Workshop on Signal Processing Systems (Sips), pp. 289–292.

By: S. Miao n & H. Krim n

topics (OpenAlex): Face and Expression Recognition; Face recognition and analysis; Image Retrieval and Classification Techniques
TL;DR: A robust method for 3D face recognition under variance of facial expressions that utilizes the identical areas on two facial images as the measurement of distance is described. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2011 article

Vehicle tracking through the exploitation of remote sensing and LWIR polarization science

Clouse, H. S., Krim, H., Sakla, W., & Mendoza-Schrock, O. (2011, August 30). Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE, Vol. 8160.

By: H. Clouse n, H. Krim n, W. Sakla* & O. Mendoza-Schrock*

author keywords: layered sensing; distributed sensing; polarimetric; infrared; tracking; feature-aided; fusion; multisensor
topics (OpenAlex): Advanced Image and Video Retrieval Techniques; Remote-Sensing Image Classification; Indoor and Outdoor Localization Technologies
TL;DR: Several robust features are explored for vehicle tracking using data captured in a remote sensing setting using three classic features including Stokes images, DoLP, the Degree of Linear Polarization, and AoP, the Angle of Polarization and several geometry inspired features. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 article

3D Surface Reconstruction Using Structured Circular Light Patterns

Lee, D., & Krim, H. (2010, January 1). Lecture Notes in Computer Science, Vol. 6474, pp. 279–289.

By: D. Lee n & H. Krim n

topics (OpenAlex): 3D Surveying and Cultural Heritage; Optical measurement and interference techniques; Remote Sensing and LiDAR Applications
TL;DR: A novel approach to reconstructing 3D coordinates of a surface from a 2D image taken by a camera using projected circular light patterns based on a geometrical relationship between a given pattern projected onto a 3D surface and a pattern captured in a2D image plane from a viewpoint is proposed. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2010 article

3D face recognition based on evolution of iso-geodesic distance curves

Miao, S., & Krim, H. (2010, January 1). 2010 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, pp. 1134–1137.

By: S. Miao n & H. Krim n

author keywords: Face recognition; Geometric modeling; Image registration; Pattern classification
topics (OpenAlex): Face and Expression Recognition; Face recognition and analysis; Image Retrieval and Classification Techniques
TL;DR: This paper presents a novel 3D face recognition method by means of the evolution of iso-geodesic distance curves, and formalizes the evolution between them as a one-dimensional function, named evolution angle function, which is Euclidean invariant. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

Contact degradation in hot/cold operation of direct contact micro-switches

Journal of Micromechanics and Microengineering, 20(10), 105028.

Contributors: Z. Yang n, D. Lichtenwalner n, A. Morris, J. Krim n & A. Kingon*

topics (OpenAlex): Nanowire Synthesis and Applications; Force Microscopy Techniques and Applications; Diamond and Carbon-based Materials Research
Sources: Web Of Science, NC State University Libraries, Crossref, ORCID
Added: August 6, 2018

2010 article proceedings

Divide and Conquer: Localizing Coverage Holes in Sensor Networks

By: H. Chintakunta n & H. Krim n

topics (OpenAlex): Topological and Geometric Data Analysis; Distributed Control Multi-Agent Systems; Single-cell and spatial transcriptomics
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2010 article

Global Optimization by Adapted Diffusion

Poliannikov, O. V., Zhizhina, E., & Krim, H. (2010, September 7). IEEE Transactions on Signal Processing, Vol. 58, pp. 6119–6125.

By: O. Poliannikov*, E. Zhizhina* & H. Krim n

topics (OpenAlex): Advanced Mathematical Modeling in Engineering; Mathematical Biology Tumor Growth; Markov Chains and Monte Carlo Methods
TL;DR: The main result is that adapting the diffusion coefficient to the Hamiltonian allows to escape local wide minima and to speed up the convergence of the dynamics to the global minima. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2010 article

Multiphase Joint Segmentation-Registration and Object Tracking for Layered Images

Chen, P.-F., Krim, H., & Mendoza, O. L. (2010, March 16). IEEE Transactions on Image Processing, Vol. 19, pp. 1706–1719.

By: P. Chen n, H. Krim n & O. Mendoza*

author keywords: Active contour; joint segmentation registration; layered sensing; multiphase active contour; optical flow; visual motion
topics (OpenAlex): Advanced Vision and Imaging; Advanced Image and Video Retrieval Techniques; Medical Image Segmentation Techniques
TL;DR: The experimental results show that the whole integrated algorithm is able to delineate the objects of interest, align them for a pair of layered frames and keep track of the objects over time. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 article

Object Recognition Through Topo-Geometric Shape Models Using Error-Tolerant Subgraph Isomorphisms

Baloch, S., & Krim, H. (2010, January 7). IEEE Transactions on Image Processing, Vol. 19, pp. 1191–1200.

By: S. Baloch* & H. Krim n

author keywords: Morse theory; Reeb graph; shape recognition; skeletal graph; 3-D shape modeling
MeSH headings : Algorithms; Computer Simulation; Image Enhancement / methods; Image Interpretation, Computer-Assisted / methods; Imaging, Three-Dimensional / methods; Models, Statistical; Pattern Recognition, Automated / methods; Reproducibility of Results; Sensitivity and Specificity
topics (OpenAlex): Graph Theory and Algorithms; Digital Image Processing Techniques; Medical Image Segmentation Techniques
TL;DR: Various cost assignments for graph edit operations for error correction that takes into account any shape variations arising from noise and measurement errors are proposed. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 article

A Shearlet Approach to Edge Analysis and Detection

Yi, S., Labate, D., Easley, G. R., & Krim, H. (2009, March 24). IEEE Transactions on Image Processing, Vol. 18, pp. 929–941.

By: S. Yi n, D. Labate n, G. Easley* & H. Krim n

author keywords: Curvelets; edge detection; feature extraction; shearlets; singularities; wavelets
topics (OpenAlex): Image and Signal Denoising Methods; Advanced Image Fusion Techniques; Medical Image Segmentation Techniques
TL;DR: This paper proposes a novel approach based on the shearlet transform: a multiscale directional transform with a greater ability to localize distributed discontinuities such as edges, which is useful to design simple and effective algorithms for the detection of corners and junctions. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 article

Brain MRI T<inf>1</inf>-Map and T<inf>1</inf>-weighted image segmentation in a variational framework

Chen, P.-F., Steen, R. G., Yezzi, A., & Krim, H. (2009, April 1). International Conference on Acoustics Speech and Signal Processing, pp. 417–420.

By: P. Chen n, R. Steen, A. Yezzi* & H. Krim n

topics (OpenAlex): Medical Image Segmentation Techniques; Advanced Neural Network Applications; Sparse and Compressive Sensing Techniques
TL;DR: A constrained version of Mumford-Shah's segmentation with an information-theoretic point of view is proposed in order to devise a systematic procedure to segment brain MRI data for two modalities of parametric T1-Map and T2-weighted images in both 2-D and 3-D settings. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2009 journal article

Joint Brain Parametric T1‐Map Segmentation and RF Inhomogeneity Calibration

International Journal of Biomedical Imaging, 2009(1).

By: P. Chen n, R. Steen, A. Yezzi* & H. Krim n

Ed(s): H. Zaidi

topics (OpenAlex): Medical Image Segmentation Techniques; Medical Imaging Techniques and Applications; Advanced Neural Network Applications
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2009 article

Novel similarity invariant for space curves using turning angles and its application to object recognition

Aouada, D., & Krim, H. (2009, April 1). 2009 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1- 8, PROCEEDINGS, pp. 1277–1280.

By: D. Aouada n & H. Krim n

author keywords: Space curve; similarity invariant; turning angle; curvature; torsion
topics (OpenAlex): 3D Shape Modeling and Analysis; Image Processing and 3D Reconstruction; Medical Image Segmentation Techniques
TL;DR: This paper presents a new similarity invariant signature for space curves based on the information contained in the turning angles of both the tangent and the binormal vectors at each point on the curve, and defines a Riemannian metric on the space of the invariant. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 article

Squigraphs for Fine and Compact Modeling of 3-D Shapes

Aouada, D., & Krim, H. (2009, October 16). IEEE Transactions on Image Processing, Vol. 19, pp. 306–321.

By: D. Aouada n & H. Krim n

author keywords: Iso-geodesic curves; object matching; Reeb graph; shape geometry; topo-geometric modeling; Whitney embedding
topics (OpenAlex): 3D Shape Modeling and Analysis; Advanced Vision and Imaging; Image Retrieval and Classification Techniques
TL;DR: The experiments show that squigraphs are more general than existing techniques and achieve similar classification rates to those achieved by classical shape descriptors, however, their performance becomes clearly superior when finer classification and identification operations are targeted. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 conference paper

3D object recognition using fully intrinsic skeletal graphs

In C. A. Bouman, E. L. Miller, & I. Pollak (Eds.), SPIE Proceedings (Vol. 6814, p. 681409).

By: D. Aouada n & H. Krim n

Ed(s): C. Bouman, E. Miller n & I. Pollak

topics (OpenAlex): Topological and Geometric Data Analysis; Digital Image Processing Techniques; Image Retrieval and Classification Techniques
Sources: Crossref, NC State University Libraries
Added: March 11, 2025

2008 article

A smart stochastic approach for manifolds smoothing

Ouafdi, A. F. E., Ziou, D., & Krim, H. (2008, July 1). Computer Graphics Forum, Vol. 27, pp. 1357–1364.

By: A. Ouafdi*, D. Ziou* & H. Krim n

topics (OpenAlex): 3D Shape Modeling and Analysis; Advanced Vision and Imaging; Advanced Numerical Analysis Techniques
TL;DR: The core idea behind the proposed method is to relate the problem of smoothing objects to that of tracking the transition probability density functions of an underlying random process, and it is demonstrated to improve performance over existing smoothing techniques. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 article proceedings

Acoustic-RF anechoic chamber construction and evaluation

By: G. Garner n, J. Wilkerson n, M. Skeen n, D. Patrick n, R. Hodges n, R. Schimizzi n, S. Vora n, Z. Feng n, K. Gard n, M. Steer n

topics (OpenAlex): Thermography and Photoacoustic Techniques; Ultrasonics and Acoustic Wave Propagation; Optical and Acousto-Optic Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2008 article

Classification of Curves in 2D and 3D via Affine Integral Signatures

Feng, S., Kogan, I., & Krim, H. (2008, November 6). Acta Applicandae Mathematicae, Vol. 109, pp. 903–937.

By: S. Feng n, I. Kogan n & H. Krim n

Contributors: S. Feng n, I. Kogan n & H. Krim n

author keywords: Euclidean and affine transformations; Equivalence problem for curves; Integral invariants; Signatures; Image recognition
topics (OpenAlex): Image Processing and 3D Reconstruction; Image and Object Detection Techniques; Advanced Numerical Analysis Techniques
TL;DR: New robust classification algorithms for planar and spatial curves subjected to affine transformations based on integral invariants, which are significantly less sensitive to small perturbations of curves and noise than classically known differential invariants. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2008 article proceedings

Determining canonical views of 3D object using minimum description length criterion and compressive sensing method

(C. A. Bouman, E. L. Miller, & I. Pollak, Eds.).

By: P. Chen n & H. Krim n

Ed(s): C. Bouman, E. Miller n & I. Pollak

topics (OpenAlex): Sparse and Compressive Sensing Techniques; Optical measurement and interference techniques; Robotics and Sensor-Based Localization
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2008 article proceedings

Edge detection and processing using shearlets

By: S. Yi n, D. Labate n, G. Easley n & H. Krim n

topics (OpenAlex): Image and Signal Denoising Methods; Advanced Image Fusion Techniques; Medical Image Segmentation Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2008 article proceedings

Exploring approaches to layered image registration

(K. L. Priddy & E. Ertin, Eds.).

By: P. Chen n, H. Krim n & O. Mendoza*

Ed(s): K. Priddy & E. Ertin

topics (OpenAlex): Medical Image Segmentation Techniques; Robotics and Sensor-Based Localization; Advanced Image and Video Retrieval Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2008 article proceedings

Geometric modeling of rigid and non-rigid 3D shapes using the global geodesic function

By: D. Aouada n, D. Dreisigmeyer* & H. Krim n

topics (OpenAlex): 3D Shape Modeling and Analysis; Advanced Vision and Imaging; Computer Graphics and Visualization Techniques
TL;DR: The experimental results show that the proposed modeling of objects to their topological graphs to ensure a full and compact description necessary for shape-based retrieval, recognition and analysis of 3D models appears to be robust to both noise and decimation. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries, Crossref
Added: August 6, 2018

2008 article proceedings

Probabilistic graph matching by canonical decomposition

By: H. Yaghi n & H. Krim n

topics (OpenAlex): Graph Theory and Algorithms; Complexity and Algorithms in Graphs; Data Management and Algorithms
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2007 article proceedings

3D Face Recognition using Euclidean Integral Invariants Signature

By: S. Feng n, H. Krim n & I. Kogan n

Contributors: S. Feng n, H. Krim n & I. Kogan n

topics (OpenAlex): Image Processing and 3D Reconstruction; 3D Shape Modeling and Analysis; Image Retrieval and Classification Techniques
TL;DR: A novel 3D face representation and recognition approach based on comparing face feature in the invariant signature space is proposed and Substantiating examples are provided with an achieved classification accuracy of 95% for faces with various poses and facial expressions. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: July 20, 2019

2007 article proceedings

3D Mixed Invariant and its Application on Object Classification

By: S. Feng n, D. Aouada n, H. Krim n & I. Kogan n

Contributors: S. Feng n, D. Aouada n, H. Krim n & I. Kogan n

topics (OpenAlex): Advanced Numerical Analysis Techniques; Image Retrieval and Classification Techniques; Image Processing and 3D Reconstruction
TL;DR: A new integro-differential invariant for curves in 3D transformed by affine group action is presented, and therefore this invariant is significantly less sensitive to noise than classical affine differential invariants. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: July 20, 2019

2007 article

Flexible Skew-Symmetric Shape Model for Shape Representation, Classification, and Sampling

Baloch, S. H., & Krim, H. (2007, February 1). IEEE Transactions on Image Processing, Vol. 16, pp. 317–328.

By: S. Baloch n & H. Krim n

author keywords: flexible skew-symmetric distributions (FSSM); principal curves; sampling; shape classification; shape modeling; template learning
MeSH headings : Algorithms; Artificial Intelligence; Computer Simulation; Image Enhancement / methods; Image Interpretation, Computer-Assisted / methods; Information Storage and Retrieval / methods; Models, Statistical; Pattern Recognition, Automated / methods; Reproducibility of Results; Sensitivity and Specificity
topics (OpenAlex): Morphological variations and asymmetry; Image Retrieval and Classification Techniques; Medical Image Segmentation Techniques
TL;DR: A novel statistical method for shape modeling, which is sufficiently flexible to accommodate a departure from Gaussianity of the data and is fairly general to learn a "mean shape" (template), with a potential for classification and random generation of new realizations of a given shape. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 article proceedings

Integral invariants for 3D curves: an inductive approach

(C. W. Chen, D. Schonfeld, & J. Luo, Eds.).

By: S. Feng n, I. Kogan n & H. Krim n

Contributors: S. Feng n, I. Kogan n & H. Krim n

Ed(s): C. Chen n, D. Schonfeld & J. Luo

author keywords: 3D affine and Euclidean transformations; integral affine invariants; moving frames; object classification
topics (OpenAlex): Advanced Numerical Analysis Techniques; Computer Graphics and Visualization Techniques; 3D Shape Modeling and Analysis
TL;DR: This paper obtains explicit formulae for integral invariants for curves in 3D with respect to the special and the full affine groups using an inductive approach and uses Euclidean integral invariant values to build the affine invariants. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
Sources: Crossref, NC State University Libraries, ORCID
Added: July 20, 2019

2007 article proceedings

Statistical Analysis of the Global Geodesic Function for 3D Object Classification

By: D. Aouada n, S. Feng n & H. Krim n

topics (OpenAlex): Morphological variations and asymmetry; 3D Shape Modeling and Analysis; Image Processing and 3D Reconstruction
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2006 article

An Independent Component Analysis Approach for Minimizing Effects of Recirculation in Dynamic Susceptibility Contrast Magnetic Resonance Imaging

Wu, Y., An, H., Krim, H., & Lin, W. (2006, July 19). Journal of Cerebral Blood Flow & Metabolism, Vol. 27, pp. 632–645.

By: Y. Wu n, H. An*, H. Krim n & W. Lin n

author keywords: cerebral ischemia; dynamic susceptibility contrast; gamma-variate fitting; independent component analysis; perfusion-weighted imaging; recirculation
MeSH headings : Adult; Brain / blood supply; Brain / metabolism; Cerebrovascular Circulation / physiology; Contrast Media / metabolism; Female; Humans; Image Processing, Computer-Assisted / methods; Magnetic Resonance Imaging; Male; Stroke / metabolism
topics (OpenAlex): Advanced MRI Techniques and Applications; Blind Source Separation Techniques; Functional Brain Connectivity Studies
TL;DR: Results obtained from simulation, normal healthy volunteers, and acute stroke patients show that independent component analysis can greatly minimize the effects of recirculation despite a substantial overlap between the first passage and recirculating. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 article

Geodesic matching of triangulated surfaces

Hamza, A. B., & Krim, H. (2006, July 21). IEEE Transactions on Image Processing, Vol. 15, pp. 2249–2258.

By: A. Hamza* & H. Krim n

author keywords: geodesic distance; object recognition; shape signature; three-dimensional (3-D) matching
MeSH headings : Algorithms; Artificial Intelligence; Computer Graphics; Computer Simulation; Image Enhancement / methods; Image Interpretation, Computer-Assisted / methods; Imaging, Three-Dimensional / methods; Information Storage and Retrieval / methods; Models, Statistical; Numerical Analysis, Computer-Assisted; Pattern Recognition, Automated / methods; Signal Processing, Computer-Assisted; Subtraction Technique
topics (OpenAlex): Image Retrieval and Classification Techniques; 3D Shape Modeling and Analysis; Image Processing and 3D Reconstruction
TL;DR: The key idea behind the methodology is to represent an object by a probabilistic shape descriptor that measures the global geodesic distance between two arbitrary points on the surface of an object that becomes a one-dimensional comparison problem between probability distributions which is clearly much simpler than comparing three-dimensional structures. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 book

Statistics and Analysis of Shapes

In H. Krim & A. Yezzi Jr. (Eds.), Modeling and Simulation in Science, Engineering and Technology.

By: H. Krim n & A. Yezzi*

Ed(s): H. Krim n & A. Yezzi*

topics (OpenAlex): Architecture and Computational Design
TL;DR: This chapter discusses 2D Shape Modeling Using Skeletal Graphs in a Morse Theoretic Framework and its applications to Shape Warping, Empirical Shape Statistics, and Computing with Point Cloud Data. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries, Crossref
Added: August 6, 2018

2005 article proceedings

3D curve interpolation and object reconstruction

By: S. Baloch, H. Krim*, W. Mio & A. Srivastava

topics (OpenAlex): Advanced Vision and Imaging; Advanced Numerical Analysis Techniques; Medical Image Segmentation Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2005 article

A multiscale approach to pixel-level image fusion

Hamza, A. B., He, Y., Krim, H., & Willsky, A. (2005, April 5). Integrated Computer-Aided Engineering, Vol. 12, pp. 135–146.

By: A. Hamza*, Y. He, H. Krim n & A. Willsky*

topics (OpenAlex): Advanced Image Fusion Techniques; Image and Signal Denoising Methods; Remote-Sensing Image Classification
TL;DR: This work formulate the image fusion as an optimization problem and proposes an information theoretic approach in a multiscale framework to obtain its solution. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2005 article proceedings

Active polygon for object tracking

By: G. Unal n, H. Krim n & A. Yezzi*

topics (OpenAlex): Robotics and Sensor-Based Localization; Image and Object Detection Techniques; Advanced Vision and Imaging
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2005 article

Fast incorporation of optical flow into active polygons

Unal, G., Krim, H., & Yezzi, A. (2005, May 17). IEEE Transactions on Image Processing, Vol. 14, pp. 745–759.

By: G. Unal*, H. Krim n & A. Yezzi*

author keywords: level-set methods; motion estimation; object tracking; optical flow; polygon evolution; region-based active contours
MeSH headings : Algorithms; Artificial Intelligence; Image Enhancement / methods; Image Interpretation, Computer-Assisted / methods; Information Storage and Retrieval / methods; Movement / physiology; Pattern Recognition, Automated / methods; Photography / methods; Reproducibility of Results; Sensitivity and Specificity; Signal Processing, Computer-Assisted; Subtraction Technique; Video Recording / methods
topics (OpenAlex): Advanced Vision and Imaging; Glaucoma and retinal disorders; Optical Coherence Tomography Applications
TL;DR: This paper reconsiders, in a different light, the addition of a prediction step to active contour-based visual tracking using an optical flow and clarifies the local computation of the latter along the boundaries of continuous active contours with appropriate regularizers, to avoid the need of adding ad hoc regularizing terms to the optical flow computations. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 article

Identification of a discrete planar symmetric shape from a single noisy view

Poliannikov, O. V., & Krim, H. (2005, November 15). IEEE Transactions on Image Processing, Vol. 14, pp. 2051–2059.

By: O. Poliannikov* & H. Krim n

MeSH headings : Algorithms; Artifacts; Artificial Intelligence; Image Enhancement / methods; Image Interpretation, Computer-Assisted / methods; Information Storage and Retrieval / methods; Pattern Recognition, Automated / methods
topics (OpenAlex): Advanced Vision and Imaging; Image and Object Detection Techniques; Optical measurement and interference techniques
TL;DR: The algorithm is based on a newly proposed notion of a view's skeleton which yields projective invariants which facilitate the identification procedure and may be extended to the case of noisy data to yield an optimal estimate of a shape in question. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 journal article

Intracranial vascular transfer function in acute stroke patients

Journal of Cerebral Blood Flow & Metabolism, 25(1_suppl), S394–S394.

topics (OpenAlex): Blind Source Separation Techniques; Advanced Neuroimaging Techniques and Applications; Functional Brain Connectivity Studies
TL;DR: A novel tool for obtaining VTF in acute stroke patients is demonstrated and it is suggested that the DWI-defined lesions exhibit the largest bolus dispersion and smallest power when compared with that obtained in the normal subjects as well as other brain regions in stroke patients. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 article proceedings

Rotation invariant topology coding of 2D and 3D objects using Morse theory

By: S. Baloch n, H. Krim n, I. Kogan* & D. Zenkov

Contributors: S. Balocht n, H. Krim n, I. Kogan* & D. Zenkov

topics (OpenAlex): Digital Image Processing Techniques; Image Retrieval and Classification Techniques; Image Processing and 3D Reconstruction
TL;DR: A numerical algorithm based on capturing the topology of a modified Reeb graph by tracking the critical points of a distance function, which employs Morse theory in the study of translation, rotation, and scale invariant skeletal graphs. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: July 20, 2019

2004 article

A Nonlinear Entropic Variational Model for Image Filtering

Hamza, A. B., Krim, H., & Zerubia, J. (2004, December 2). EURASIP Journal on Advances in Signal Processing, Vol. 2004, pp. 2408–2422.

By: A. Hamza*, H. Krim n & J. Zerubia*

author keywords: MAP estimation; variational methods; robust statistics; differential entropy; gradient descent flows; image denoising
topics (OpenAlex): Image and Signal Denoising Methods; Medical Image Segmentation Techniques; Advanced Image Fusion Techniques
TL;DR: The core idea behind this approach is to use geometric insight in helping to construct regularizing functionals and avoiding a subjective choice of a prior in maximum a posteriori estimation. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 article proceedings

Compression and transmission of facial images over very narrowband wireless channels

By: A. Gunduz n, H. Krim n & P. Sadowski n

topics (OpenAlex): Advanced Data Compression Techniques; Medical Image Segmentation Techniques; Advanced Image and Video Retrieval Techniques
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2004 article proceedings

Facial feature extraction using topological methods

By: A. Gunduz n & H. Krim n

topics (OpenAlex): Image Retrieval and Classification Techniques; Medical Image Segmentation Techniques; Face and Expression Recognition
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2004 article

Information-Theoretic Active Polygons for Unsupervised Texture Segmentation

Unal, G., Yezzi, A., & Krim, H. (2004, November 1). International Journal of Computer Vision, Vol. 62, pp. 199–220.

By: G. Unal*, A. Yezzi* & H. Krim n

author keywords: region-based active contours; unsupervised segmentation; texture segmentation; polygon evolution; information theoretic measure; electrostatic regularizer
topics (OpenAlex): Medical Image Segmentation Techniques; Image Retrieval and Classification Techniques; Image and Object Detection Techniques
TL;DR: A new active contour model is developed which nicely ties the desirable polygonal representation of an object directly to the image segmentation process and can robustly capture texture boundaries by way of higher-order statistics of the data and using an information-theoretic measure and with its nature of the ordinary differential equations. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 article proceedings

Robust influence functionals for image filtering

By: A. Hamza n & H. Krim n

topics (OpenAlex): Image and Signal Denoising Methods; Medical Image Segmentation Techniques; Advanced Image Fusion Techniques
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2004 article

Scanning Tunneling Microscope-Quartz Crystal Microbalance Studies of "Real World" and Model Lubricants

Krim, J., Abdelmaksoud, M., Borovsky, B., & Winder, S. M. (2004, July 17). ACS Symposium Series, Vol. 882.

Ed(s):

topics (OpenAlex): Adhesion, Friction, and Surface Interactions; Force Microscopy Techniques and Applications; Mechanical and Optical Resonators
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2004 article proceedings

Semiparametric skew distributions in shape representation

By: S. Baloch n & H. Krim n

topics (OpenAlex): Morphological variations and asymmetry; 3D Shape Modeling and Analysis; Medical Image Segmentation Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2004 article proceedings

Semiparametric skew-symmetric modeling of planar shapes

By: S. Baloch n & H. Krim n

topics (OpenAlex): Image Retrieval and Classification Techniques; Morphological variations and asymmetry; Medical Image Segmentation Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2004 article

Shape Representation with Flexible Skew-Symmetric Distributions

Baloch, S., Krim, H., & Genton, M. (2004, July 27). Skew-Elliptical Distibutions and Their Applications: A Journey beyond Normality.

By: S. Baloch*, H. Krim* & M. Genton*

Ed(s):

topics (OpenAlex): Image Retrieval and Classification Techniques; Medical Image Segmentation Techniques; Face and Expression Recognition
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2004 article

Smart nonlinear diffusion: a probabilistic approach

Bao, Y., & Krim, H. (2004, January 1). IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 26, pp. 63–72.

By: Y. Bao* & H. Krim n

MeSH headings : Algorithms; Artificial Intelligence; Computer Graphics; Computer Simulation; Diffusion; Image Enhancement / methods; Image Interpretation, Computer-Assisted / methods; Imaging, Three-Dimensional / methods; Information Storage and Retrieval / methods; Models, Statistical; Nonlinear Dynamics; Numerical Analysis, Computer-Assisted; Pattern Recognition, Automated; Reproducibility of Results; Sensitivity and Specificity; Signal Processing, Computer-Assisted; Subtraction Technique
topics (OpenAlex): Image and Signal Denoising Methods; Sparse and Compressive Sensing Techniques; Statistical Methods and Inference
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UN Sustainable Development Goal Categories
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2004 article proceedings

Topological modeling of illuminated surfaces using Reeb graph

By: A. Hamza n & H. Krim n

topics (OpenAlex): Digital Image Processing Techniques; 3D Shape Modeling and Analysis; Computer Graphics and Visualization Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2003 article

A generalized divergence measure for robust image registration

He, N. Y., Hamza, A. B., & Krim, H. (2003, April 23). IEEE Transactions on Signal Processing, Vol. 51, pp. 1211–1220.

By: N. He n, A. Hamza n & H. Krim n

topics (OpenAlex): Sparse and Compressive Sensing Techniques; Infrared Target Detection Methodologies; Advanced Image Fusion Techniques
TL;DR: This paper defines a new generalized divergence measure, namely, the Jensen-Renyi (1996, 1976) divergence, and proposes a new approach to the problem of image registration based on it, to measure the statistical dependence between consecutive ISAR image frames. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2003 article

A nonlinear diffusion-based three-band filter bank

Benazza-Benyahia, A., Pesquet, J.-C., & Krim, H. (2003, November 25). IEEE Signal Processing Letters, Vol. 10, pp. 360–363.

By: A. Benazza-Benyahia*, J. Pesquet* & H. Krim n

author keywords: diffusion; edge preservation; filter banks; multiresolution analysis; nonlinearity; partial differential equation (PDE); Perona-Malik; scale-space; wavelets
topics (OpenAlex): Image and Signal Denoising Methods; Digital Filter Design and Implementation; Mathematical Analysis and Transform Methods
TL;DR: This letter addresses the problem of designing appropriate operators associated to nonlinear filter banks using multiscale analysis using scale-space theory and proposes specific structures of nonlinear three-band decompositions ensuring a perfect reconstruction. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 article proceedings

A vertex-based representation of objects in an image

By: G. Unal n, H. Krim n & A. Yezzi*

topics (OpenAlex): Medical Image Segmentation Techniques; Advanced Vision and Imaging; Computer Graphics and Visualization Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2003 article proceedings

Data fusion of SSM/I channels using multiresolution wavelet transform

By: V. Mehta n, C. Hammock n, P. Fieguth* & H. Krim n

topics (OpenAlex): Image and Signal Denoising Methods; Advanced Image Fusion Techniques; Advanced Data Compression Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2003 article

Fast minimization of structural risk by nearest neighbor rule

Karacali, B., & Krim, H. (2003, January 1). IEEE Transactions on Neural Networks, Vol. 14, pp. 127–137.

By: B. Karacali n & H. Krim n

author keywords: breast cancer detection; index set thinning algorithm; multivariate order statistics; nearest neighbor rule; support vector machine (SVM)
topics (OpenAlex): Face and Expression Recognition; Machine Learning in Bioinformatics; Neural Networks and Applications
TL;DR: Simulation results on real data indicate that this method significantly reduces the computational cost of the conventional SVMs, and achieves a nearly comparable test error performance. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 article

Geodesic Object Representation and Recognition

Hamza, A. B., & Krim, H. (2003, January 1). (B. Hamza & H. Krim, Eds.). Lecture Notes in Computer Science, Vol. 2886, pp. 378–387.

By: A. Hamza n & H. Krim n

Ed(s): B. Hamza n & H. Krim n

topics (OpenAlex): 3D Shape Modeling and Analysis; Image Processing and 3D Reconstruction; Robotics and Sensor-Based Localization
TL;DR: A shape signature that captures the intrinsic geometric structure of 3D objects is described, based on a global geodesic distance defined on the object surface, and takes the form of a kernel density estimate. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2003 article

Image Registration and Segmentation by Maximizing the Jensen-Rényi Divergence

Hamza, A. B., & Krim, H. (2003, January 1). (M. F. A. Rangarajan & J. Zerubia, Eds.). Lecture Notes in Computer Science, Vol. 2683, pp. 147–163.

By: A. Hamza n & H. Krim n

Ed(s): M. Rangarajan & J. Zerubia

topics (OpenAlex): Statistical Mechanics and Entropy; Bayesian Methods and Mixture Models; Advanced Statistical Methods and Models
TL;DR: This paper analyzes the theoretical properties of the Jensen-Renyi divergence which is defined between any arbitrary number of probability distributions and derives its maximum value, and also some performance upper bounds in terms of the Bayes risk and the asymptotic error of the nearest neighbor classifier. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2003 article proceedings

Jensen-renyi divergence measure: theoretical and computational perspectives

By: A. Ben Hamza n & H. Krim n

topics (OpenAlex): Statistical Mechanics and Entropy; Mathematical Inequalities and Applications; Advanced Statistical Methods and Models
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2003 article proceedings

Levy processes for image modeling

By: O. Poliannikov n, Y. Bao n & H. Krim n

topics (OpenAlex): Bayesian Methods and Mixture Models; Soil Geostatistics and Mapping; Statistical Methods and Inference
TL;DR: A more efficient model capable of capturing textures, shapes, as well as jumps typically encountered in infra-red images is proposed, which can represent a very well adapted alternative for inference applications and the like. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2003 conference paper

Multiscale detection of nonstationary signals

[1992] Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, 105–108.

By: H. Krim*, K. Drouiche & J. Pesquet*

topics (OpenAlex): Image and Signal Denoising Methods; Neural Networks and Applications; Blind Source Separation Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2003 article

Object representation and recognition in shape spaces

Zhang, J., Zhang, X., Krim, H., & Walter, G. G. (2003, January 30). Pattern Recognition, Vol. 36, pp. 1143–1154.

By: J. Zhang*, X. Zhang*, H. Krim n & G. Walter*

author keywords: shape space; object recognition; legendre polynomials; statistical shape analysis; invariants
topics (OpenAlex): Medical Image Segmentation Techniques; Image Retrieval and Classification Techniques; Image Processing and 3D Reconstruction
TL;DR: A shape space based approach for invariant object representation and recognition that is invariant to similarity transformations and is relatively insensitive to noise and occlusion, potentially used for 3D object recognition. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

On Sampling Closed Planar Curves and Surfaces

Sampling Theory in Signal and Image Processing, 2(1), 53–81.

By: O. Poliannikov n & H. Krim n

topics (OpenAlex): Advanced Numerical Analysis Techniques; Digital Image Processing Techniques; 3D Shape Modeling and Analysis
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article proceedings

Parameterization models for sampling planar curves

(E. R. Dougherty, J. T. Astola, & K. O. Egiazarian, Eds.).

By: O. Poliannikov n & H. Krim n

Ed(s): E. Dougherty, J. Astola & K. Egiazarian

topics (OpenAlex): Advanced Numerical Analysis Techniques; 3D Shape Modeling and Analysis; Digital Image Processing Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article proceedings

A stochastic flow for feature extraction

By: G. Unal n, H. Krim* & A. Yezzi*

topics (OpenAlex): Medical Image Segmentation Techniques; Advanced Numerical Analysis Techniques; 3D Shape Modeling and Analysis
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article proceedings

A topological variational model for image singularities

By: A. Ben Hamza n & H. Krim n

topics (OpenAlex): Topological and Geometric Data Analysis; Medical Image Segmentation Techniques; Advanced Vision and Imaging
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article proceedings

An active contour model for image segmentation: A variational perspective

By: B. Lee*, A. Hamza n & H. Krim n

topics (OpenAlex): Medical Image Segmentation Techniques; Image and Object Detection Techniques; Image Retrieval and Classification Techniques
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

An estimation-theoretic technique for motion-compensated synthetic-aperture array imaging

Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269), 1, 9–13.

By: C. Logan n, H. Krim* & A. Willsky*

topics (OpenAlex): Advanced SAR Imaging Techniques; Synthetic Aperture Radar (SAR) Applications and Techniques; Microwave Imaging and Scattering Analysis
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2002 conference paper

Analysis of changes in body surface potentials during PTCA-induced ischemia using the temporal wavelet transform

Computers in Cardiology 1994, 329–332.

By: D. Brooks*, H. On*, R. MacLeod* & H. Krim*

topics (OpenAlex): Advanced MRI Techniques and Applications; Cardiac electrophysiology and arrhythmias; Image and Signal Denoising Methods
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

Bayesian approach to best basis selection

1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Proceedings, 5, 2634–2637.

By: J. Pesquet*, H. Krim*, D. Leporini & E. Hamman*

topics (OpenAlex): Image and Signal Denoising Methods; Blind Source Separation Techniques; Statistical and numerical algorithms
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2002 conference paper

Best basis algorithm for signal enhancement

1995 International Conference on Acoustics, Speech, and Signal Processing, 3, 1561–1564.

By: H. Krim, S. Mallat*, D. Donoho & A. Willsky

topics (OpenAlex): Image and Signal Denoising Methods; Blind Source Separation Techniques; Sparse and Compressive Sensing Techniques
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2002 conference paper

Best basis segmentation of ECG signals using novel optimality criteria

1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Proceedings, 5, 2750–2753.

topics (OpenAlex): ECG Monitoring and Analysis; EEG and Brain-Computer Interfaces; Cardiac electrophysiology and arrhythmias
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2002 conference paper

Convergence study of an iterative joint detector for wavelet packet multiple-access communication

Proceedings of IEEE-SP International Symposium on Time- Frequency and Time-Scale Analysis, 512–515.

By: R. Learned*, H. Krim*, B. Claus*, A. Willsky* & W. Karl*

topics (OpenAlex): Wireless Communication Networks Research; Advanced Wireless Communication Techniques; PAPR reduction in OFDM
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

Estimation of noisy signals using time-invariant wavelet packets

Proceedings of 27th Asilomar Conference on Signals, Systems and Computers, 31–34.

By: J. Pesquet*, H. Krim*, H. Carfantan* & J. Proakis*

topics (OpenAlex): Image and Signal Denoising Methods; Blind Source Separation Techniques; Machine Fault Diagnosis Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

Examination of wavelet packet signal sets for over-saturated multiple access communications

Proceedings of Third International Symposium on Time-Frequency and Time-Scale Analysis (TFTS-96), 401–404.

By: R. Learned*, H. Krim* & A. Willsky*

topics (OpenAlex): Wireless Communication Networks Research; Advanced Wireless Communication Techniques; Blind Source Separation Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

Feature-based segmentation of ECG signals

Proceedings of Third International Symposium on Time-Frequency and Time-Scale Analysis (TFTS-96), 97–100.

By: H. Krim* & D. Brooks*

topics (OpenAlex): ECG Monitoring and Analysis; Blind Source Separation Techniques; Fault Detection and Control Systems
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article proceedings

Feature-preserving flows: a stochastic differential equation's view

By: G. Unal n, H. Krim n & A. Yezzi*

topics (OpenAlex): Generative Adversarial Networks and Image Synthesis; Medical Image Segmentation Techniques; Computer Graphics and Visualization Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

Invariant object recognition by shape space analysis

Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269), 3, 581–585.

By: J. Zhang*, X. Zhang* & H. Krim n

topics (OpenAlex): Image Retrieval and Classification Techniques; Morphological variations and asymmetry; Medical Image Segmentation Techniques
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2002 article

Mathematical methods in imaging

Hero, A. O., & Krim, H. (2002, September 1). IEEE Signal Processing Magazine, Vol. 19, pp. 13–14.

By: A. Hero* & H. Krim n

topics (OpenAlex): Medical Image Segmentation Techniques; Medical Imaging Techniques and Applications; Image and Object Detection Techniques
TL;DR: The imaging applications of some emerging mathematical approaches including fractals and self-similarity, nonlin-ear partial differential equations (PDEs), anisotropic diffusion, variational methods, pattern theory, stochastic point processes, and random graph theory are highlighted. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2002 conference paper

Multiresolution analysis of PTCA isopotential maps

Proceedings of 1994 20th Annual Northeast Bioengineering Conference, 3–6.

By: H. On*, D. Brooks*, R. MacLeod* & H. Krim*

topics (OpenAlex): Image and Signal Denoising Methods; Phonocardiography and Auscultation Techniques; ECG Monitoring and Analysis
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article

Multiscale signal enhancement: beyond the normality and independence assumption

He, Y., & Krim, H. (2002, April 1). IEEE Transactions on Image Processing, Vol. 11, pp. 423–433.

By: Y. He* & H. Krim n

author keywords: Holder space; multiscale analysis; nonlinear filtering; wavelet
topics (OpenAlex): Image and Signal Denoising Methods; Sparse and Compressive Sensing Techniques; Photoacoustic and Ultrasonic Imaging
TL;DR: A novel nonlinear filtering technique to project a noisy signal onto a wavelet domain and to suppress wavelet coefficients by a mask derived from curvature extrema in its scale space representation. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2002 article proceedings

Nonlinear image filtering in a mixture of Gaussian and heavy-tailed noise

By: A. Ben Hamza n & H. Krim n

topics (OpenAlex): Image and Signal Denoising Methods; Blind Source Separation Techniques; Statistical and numerical algorithms
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article proceedings

Nonlinear image filtering: trade-off between optimality and practicality

By: A. Hamza n & H. Krim n

topics (OpenAlex): Image and Signal Denoising Methods; Probabilistic and Robust Engineering Design; Structural Health Monitoring Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

On spatial smoothing and linear prediction

International Conference on Acoustics, Speech, and Signal Processing, 2639–2642.

By: H. Krim*, J. Cozzens* & J. Proakis*

topics (OpenAlex): Direction-of-Arrival Estimation Techniques; Blind Source Separation Techniques; Underwater Acoustics Research
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

Parsimony and wavelet methods for denoising

Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '98 (Cat. No.98CH36181), 3, 1869–1872.

By: H. Krim*, J. Pesquet & I. Schick*

topics (OpenAlex): Image and Signal Denoising Methods; Spectroscopy and Chemometric Analyses; Blind Source Separation Techniques
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2002 conference paper

Robust multiscale representation of processes and optimal signal reconstruction

Proceedings of IEEE-SP International Symposium on Time- Frequency and Time-Scale Analysis, 1–4.

By: H. Krim*, J. Pesquet* & A. Willsky

topics (OpenAlex): Image and Signal Denoising Methods; Blind Source Separation Techniques; Neural Networks and Applications
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article proceedings

Segmentation and compression of SAR imagery via hierarchical stochastic modeling

By: A. Kim*, H. Krim* & A. Willsky*

topics (OpenAlex): Medical Imaging Techniques and Applications; Medical Image Segmentation Techniques; Computer Graphics and Visualization Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

Spatio-temporal wavelet analysis of body surface potential maps during PTCA-induced ischemia

Proceedings of 16th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1208–1209.

By: D. Brooks*, H. On, R. MacLeod & H. Krim*

topics (OpenAlex): Advanced MRI Techniques and Applications; Cardiac Imaging and Diagnostics; Machine Learning in Materials Science
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 conference paper

Stabilized inverse diffusion equations and segmentation of vector-valued images

Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269), 3, 246–248.

By: I. Pollak*, H. Krim* & A. Willsky*

topics (OpenAlex): Image and Signal Denoising Methods; Medical Image Segmentation Techniques; Image Retrieval and Classification Techniques
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2002 article

Stochastic differential equations and geometric flows

Unal, G., Krim, H., & Yezzi, A. (2002, December 1). IEEE Transactions on Image Processing, Vol. 11, pp. 1405–1416.

By: G. Unal n, H. Krim n & A. Yezzi*

author keywords: geometric image and shape flows; stochastic differential equations; nonlinear filtering; shape analysis
topics (OpenAlex): Mathematical Biology Tumor Growth; Advanced Numerical Analysis Techniques; Morphological variations and asymmetry
TL;DR: Modifications of the geometric heat equation designed to preserve certain features in these shapes while removing noise are presented, and it is shown how these new flows may be applied to smooth noisy curves without destroying their larger scale features, in contrast to the original geometric heat flow. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2002 article proceedings

Towards a unified view of estimation: variational vs. statistical

By: H. Krim n & A. Ben Hamza n

topics (OpenAlex): Image and Signal Denoising Methods; Target Tracking and Data Fusion in Sensor Networks; Sparse and Compressive Sensing Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2002 article

Unifying probabilistic and variational estimation

Hamza, A. B., Krim, H., & Unal, G. B. (2002, September 1). IEEE Signal Processing Magazine, Vol. 19, pp. 37–47.

By: A. Hamza*, H. Krim* & G. Unal*

topics (OpenAlex): Image and Signal Denoising Methods; Medical Image Segmentation Techniques; Sparse and Compressive Sensing Techniques
TL;DR: This article presents a variational approach to MAP estimation with a more qualitative and tutorial emphasis and proposes an information-theoretic gradient descent flow which is a result of minimizing a functional that is a hybrid between a negentropy variational integral and a total variation. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2002 conference paper

Wavelet-based temporal segmentation and analysis of body surface potential maps during PTCA-induced ischemia

Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society, 1, 243–244.

By: D. Brooks*, R. Chary, H. Krim*, H. On & R. MacLeod

topics (OpenAlex): Cardiac Imaging and Diagnostics; Phonocardiography and Auscultation Techniques; Cardiac electrophysiology and arrhythmias
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2001 article

A Variational Approach to Maximum a Posteriori Estimation for Image Denoising

Hamza, A. B., & Krim, H. (2001, January 1). (J. Z. M. Figueiredo & A. K. Jain, Eds.). Lecture Notes in Computer Science, Vol. 2134, pp. 19–33.

By: A. Hamza n & H. Krim n

Ed(s): J. Figueiredo & A. Jain

topics (OpenAlex): Image and Signal Denoising Methods; Medical Image Segmentation Techniques; Advanced Vision and Imaging
TL;DR: A variational filter called Huber gradient descent flow is proposed, which yields the solution to a Huber type functional subject to some noise constraints, and the resulting filter behaves like a total variation anisotropic diffusion for large gradient magnitudes and like an isotropic diffusion for small gradient Magnitudes. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2001 article proceedings

An information divergence measure for ISAR image registration

By: A. Ben Hamza n, Y. He n & H. Krim n

topics (OpenAlex): Sparse and Compressive Sensing Techniques; Advanced SAR Imaging Techniques; Synthetic Aperture Radar (SAR) Applications and Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2001 conference paper

ISAR Focussing by an Information Theoretic Measure, SPIE’01

SPIE 2001. Presented at the SPIE 2001.

By: Y. He, A. Hamza & H. Krim

Source: NC State University Libraries
Added: April 2, 2025

2001 article

Image denoising: a nonlinear robust statistical approach

Hamza, A. B., & Krim, H. (2001, December 1). IEEE Transactions on Signal Processing, Vol. 49, pp. 3045–3054.

By: A. Hamza n & H. Krim n

author keywords: alpha-stable noise; asymptotic analysis; nonlinear filtering; robust estimation
topics (OpenAlex): Image and Signal Denoising Methods; Advanced Image Fusion Techniques; Statistical and numerical algorithms
TL;DR: The proposed denoising methods are optimal over the Huber /spl epsi/-contaminated normal neighborhood and are highly resistant to outliers. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 conference paper

Segmentation and Target Recognition in SAR imagery by a Level Set Multiscale filtering technique

Proceedings, Wavelet Applications VIII, 4391.

By: G. Bozkurt & H. Krim n

topics (OpenAlex): Medical Image Segmentation Techniques; Image Processing Techniques and Applications; Remote-Sensing Image Classification
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: NC State University Libraries, NC State University Libraries
Added: April 2, 2025

2001 conference paper

Towards Bridging Scale Space Analysis and Multiscale Analysis, ICASSP’01

ICASSP’01. Presented at the ICASSP’01, Salt Lake City, Utah.

By: Y. Bao & H. Krim

Source: NC State University Libraries
Added: April 2, 2025

2001 chapter

Towards Bridging Scale-Space and Multiscale Frame Analyses

In Computational Imaging and Vision (pp. 169–192).

By: Y. Bao n & H. Krim n

topics (OpenAlex): Image and Signal Denoising Methods; Advanced Mathematical Modeling in Engineering; Medical Image Segmentation Techniques
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

2000 article proceedings

Information theoretic measure for ISAR imagery focusing

(F. T. Luk, Ed.).

By: Y. He n, A. Hamza n, A. Krim n & V. Chen*

Ed(s): F. Luk n

topics (OpenAlex): Ultrasonics and Acoustic Wave Propagation; Sparse and Compressive Sensing Techniques; Advanced SAR Imaging Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

2000 article

Image segmentation and edge enhancement with stabilized inverse diffusion equations

Pollak, I., Willsky, A. S., & Krim, H. (2000, January 1). IEEE Transactions on Image Processing, Vol. 9, pp. 256–266.

By: I. Pollak*, A. Willsky* & H. Krim n

author keywords: diffusion; enhancement; scale space; segmentation; sliding modes; synthetic aperture radar (SAR)
topics (OpenAlex): Image and Signal Denoising Methods; Advanced Mathematical Modeling in Engineering; Mathematical Biology Tumor Growth
TL;DR: A family of first-order multidimensional ordinary differential equations with discontinuous right-hand sides with stabilized inverse diffusion equations (SIDEs) is introduced and existence and uniqueness of solutions, as well as stability, are proven for SIDEs. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 conference paper

A Stochastic Diffusion approach to signal processing

1999 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings. Presented at the 1999 IEEE International Conference on Acoustics, Speech, and Signal Processing., Phoenix, AZ, USA.

By: H. Krim & Y. Bao

Source: NC State University Libraries
Added: April 12, 2025

1999 article proceedings

A nonlinear diffusion equation as a fast and optimal solver of edge detection problems

By: I. Pollak*, A. Willsky* & H. Krim n

topics (OpenAlex): Medical Image Segmentation Techniques; Image and Signal Denoising Methods; Numerical methods in inverse problems
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1999 conference paper

Bayesian Approach to Multiscale Denoising

Joint Statistical Meeting ASA’99. Presented at the Joint Statistical Meeting ASA’99.

By: D. Leporin, J. Pesquet & H. Krim

Source: NC State University Libraries
Added: April 2, 2025

1999 chapter

Best Basis Representations with Prior Statistical Models

In P. Müller & B. Vidakovic (Eds.), Bayesian Inference in Wavelet-Based Models (pp. 155–172).

By: D. Leporini, J. Pesquet & H. Krim*

Ed(s): P. Müller & B. Vidakovic

topics (OpenAlex): Image and Signal Denoising Methods; Probabilistic and Robust Engineering Design; Structural Health Monitoring Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1999 journal article

Hierarchical stochastic modeling of SAR imagery for segmentation/compression

IEEE Transactions on Signal Processing, 47(2), 458–468.

By: A. Kim* & H. Krim*

topics (OpenAlex): Advanced Data Compression Techniques; Image and Signal Denoising Methods; Medical Image Segmentation Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1999 article

Introduction To The Special Issue On Multiscale Statistical Signal Analysis And Its Applications

Krim, H., Willinger, W., Juditski, A., & Tse, D. (1999, April 1). IEEE Transactions on Information Theory, Vol. 45, pp. 825–827.

By: H. Krim*, W. Willinger, A. Juditski & D. Tse

topics (OpenAlex): Complex Systems and Time Series Analysis; Image and Signal Denoising Methods; Chaos control and synchronization
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 article

Minimax description length for signal denoising and optimized representation

Krim, H., & Schick, I. C. (1999, April 1). IEEE Transactions on Information Theory, Vol. 45, pp. 898–908.

By: H. Krim n & I. Schick*

author keywords: best basis; denoising; MDL; minimax; robust
topics (OpenAlex): Image and Signal Denoising Methods; Sparse and Compressive Sensing Techniques; Image Processing Techniques and Applications
TL;DR: A robust wavelet thresholding technique based on the minimax description length (MMDL) principle is derived and a novel approach to selecting an adapted or best basis (BB) that results in optimal signal reconstruction is proposed. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 conference paper

Multiscale shape analysis: beyond the normality and independence of noise

Proceedings Wavelet Applications in Signal and Image Processing VII, 3813.

By: Y. He n & H. Krim n

topics (OpenAlex): Medical Image Segmentation Techniques; Optical measurement and interference techniques
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: April 2, 2025

1999 article

On denoising and best signal representation

Krim, H., Tucker, D., Mallat, S., & Donoho, D. (1999, January 1). IEEE Transactions on Information Theory, Vol. 45, pp. 2225–2238.

author keywords: best basis; denoising; Stein risk; thresholding; wavelet; wavelet packet
topics (OpenAlex): Image and Signal Denoising Methods; Underwater Acoustics Research; Sparse and Compressive Sensing Techniques
TL;DR: A best basis algorithm for signal enhancement in white Gaussian noise is proposed and an estimator of the mean-square error is proposed based on a heuristic argument and the reconstruction performance based upon it is compared to that based on the Stein (1981) unbiased risk estimator. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1998 article

Highlights of statistical signal and array processing

Chen, T. H., Hero, A., Djuric, P. M., Messer, H., Goldberg, J., Thomson, D. J., … Krolik, J. (1998, January 1). IEEE Signal Processing Magazine, Vol. 15, pp. 21–64.

By: T. Chen, A. Hero, P. Djuric, H. Messer, J. Goldberg, D. Thomson, M. Amin, H. Krim ...

topics (OpenAlex): Antenna Design and Optimization; Direction-of-Arrival Estimation Techniques
TL;DR: This article represents an endeavor by the members of the SSAT-TC to review all the significant developments in the field of SSAP and introduces the recent reorganization of three technical committees of the Signal Processing Society. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1998 conference paper

Nonlinear Frame-Like Decompositions

EUSIPCO’98. Presented at the EUSIPCO’98, Greece.

By: B. Pouye, A. Benazza-Benyahia, J. Pesquet & H. Krim

Source: NC State University Libraries
Added: April 2, 2025

1997 journal article

Multiscale segmentation and anomaly enhancement of SAR imagery

IEEE Transactions on Image Processing, 6(1), 7–20.

By: C. Fosgate*, H. Krim*, W. Irving, W. Karl* & A. Willsky*

topics (OpenAlex): Synthetic Aperture Radar (SAR) Applications and Techniques; Anomaly Detection Techniques and Applications; Remote-Sensing Image Classification
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1997 conference paper

On the Distribution of Optimized Multiscale Analysis

ICASSP’97. Presented at the ICASSP’97.

By: H. Krim

Source: NC State University Libraries
Added: April 2, 2025

1997 conference paper

Robust Wavelet Thresholding for Noise Suppression

ICASSP’97. Presented at the ICASSP’97.

By: I. Schick & H. Krim

Source: NC State University Libraries
Added: April 2, 2025

1996 conference paper

A Matched-Filter Method for Motion-Compensated Spotlight-Mode SAR Preprocessing

ICASSP’96. Presented at the ICASSP’96.

By: C. Logan, H. Krim & A. Willsky

Source: NC State University Libraries
Added: April 2, 2025

1996 conference paper

Multi-Scale Segmentation of SAR Imagery

ICIP’96. Presented at the ICIP’96, Lausanne, Switzerland.

By: C. Fosgate, H. Krim & A. Willsky

Source: NC State University Libraries
Added: April 2, 2025

1996 journal article

Projections on unstructured subspaces

IEEE Transactions on Signal Processing, 44(10), 2634–2637.

By: H. Krim* & P. Forster*

topics (OpenAlex): Direction-of-Arrival Estimation Techniques; Advanced Adaptive Filtering Techniques; Speech and Audio Processing
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1996 journal article

Time-invariant orthonormal wavelet representations

IEEE Transactions on Signal Processing, 44(8), 1964–1970.

By: J. Pesquet*, H. Krim* & H. Carfantan*

topics (OpenAlex): Image and Signal Denoising Methods; Mathematical Analysis and Transform Methods; Sparse and Compressive Sensing Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1996 journal article

Two decades of array signal processing research: the parametric approach

IEEE Signal Processing Magazine, 13(4), 67–94.

By: H. Krim* & M. Viberg*

topics (OpenAlex): Direction-of-Arrival Estimation Techniques; Speech and Audio Processing; Structural Health Monitoring Techniques
TL;DR: The article consists of background material and of the basic problem formulation, and introduces spectral-based algorithmic solutions to the signal parameter estimation problem and contrast these suboptimal solutions to parametric methods. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: January 12, 2020

1995 journal article

Multiresolution analysis of a class of nonstationary processes

IEEE Transactions on Information Theory, 41(4), 1010–1020.

By: H. Krim* & J. Pesquet*

topics (OpenAlex): Image and Signal Denoising Methods; Nonlinear Dynamics and Pattern Formation; Complex Systems and Time Series Analysis
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

1995 chapter

On the Statistics of Best Bases Criteria

In Lecture Notes in Statistics. Wavelets and Statistics (pp. 193–207).

By: H. Krim* & J. Pesquet*

topics (OpenAlex): Image and Signal Denoising Methods; Statistical and numerical algorithms; Advanced Image Fusion Techniques
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

1994 article proceedings

Wavelet-packet-based multiple-access communication

(A. F. Laine & M. A. Unser, Eds.).

By: R. Learned*, A. Krim*, B. Claus*, A. Willsky* & W. Karl*

Ed(s): A. Laine & M. Unser

topics (OpenAlex): Wireless Communication Networks Research; PAPR reduction in OFDM; Advanced Wireless Communication Techniques
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1994 journal article

A data-based enumeration technique for fully correlated signals

IEEE Transactions on Signal Processing, 42(7), 1662–1668.

By: H. Krim* & J. Cozzens*

topics (OpenAlex): Direction-of-Arrival Estimation Techniques; Speech and Audio Processing; Indoor and Outdoor Localization Technologies
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1994 journal article

Analysis of PTCA-induced ischemia using an ECG inverse solution or the wavelet transform

Journal of Electrocardiology, 27, 93–100.

By: R. MacLeod*, D. Brooks*, H. On*, H. Krim*, R. Lux* & F. Kornreich*

MeSH headings : Angioplasty, Balloon, Coronary / adverse effects; Body Surface Potential Mapping; Computer Simulation; Electrocardiography; Humans; Myocardial Ischemia / diagnosis; Signal Processing, Computer-Assisted
topics (OpenAlex): ECG Monitoring and Analysis; Cardiac electrophysiology and arrhythmias; Cardiac Imaging and Diagnostics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1994 conference paper

Multiscale Object Recognition and Feature Extraction Using Wavelet Networks

ATR System and Technology Conference. Presented at the ATR System and Technology Conference, Monterey, CA.

By: S. Jaggi, W. Karl, H. Krim & A. Willsky

Source: NC State University Libraries
Added: April 2, 2025

1994 journal article

Smoothed eigenspace-based parameter estimation

Automatica, 30(1), 27–38.

By: H. Krim* & J. Proakis*

topics (OpenAlex): Direction-of-Arrival Estimation Techniques; Speech and Audio Processing; Antenna Design and Optimization
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1993 conference paper

Tracking nonstationarities with a wavelet transform

IEEE International Conference on Acoustics Speech and Signal Processing, 245–248 vol.1.

By: H. Krim*, J. Pesquet* & K. Drouiche

topics (OpenAlex): Image and Signal Denoising Methods; Statistical and numerical algorithms; Complex Systems and Time Series Analysis
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

1992 conference paper

Enumeration Of Fully Correlated Signals

Proceedings of EUSIPCO’92. Presented at the EUSIPCO’92, Brussels, belguim.

By: H. Krim & J. Proakis

Source: NC State University Libraries
Added: April 2, 2025

1992 conference paper

Further results on smoothed reduced rank subspaces

[Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing, 237–240 vol.5.

By: K. Krim* & J. Proakis*

topics (OpenAlex): Direction-of-Arrival Estimation Techniques; Speech and Audio Processing; Antenna Design and Optimization
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

1992 journal article

Operator approach to performance analysis of root-MUSIC and root-min-norm

IEEE Transactions on Signal Processing, 40(7), 1687–1696.

By: H. Krim*, P. Forster* & J. Proakis*

topics (OpenAlex): Direction-of-Arrival Estimation Techniques; Indoor and Outdoor Localization Technologies; Speech and Audio Processing
Sources: Crossref, NC State University Libraries
Added: June 16, 2025

1991 conference paper

Performance analysis of smoothed subspace-based estimation methods

[Proceedings] ICASSP 91: 1991 International Conference on Acoustics, Speech, and Signal Processing, 3053–3056 vol.5.

By: H. Krim*, P. Forster & J. Proakis*

topics (OpenAlex): Direction-of-Arrival Estimation Techniques; Advanced Adaptive Filtering Techniques; Speech and Audio Processing
Sources: Crossref, NC State University Libraries
Added: March 22, 2025

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