Harish Chintakunta

Works (4)

Updated: July 5th, 2023 15:42

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

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)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
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

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