Winser E. Alexander

Works (18)

Updated: April 4th, 2024 22:39

2017 article

An Acceleration Framework for Synthetic Aperture Radar Algorithms

ALGORITHMS FOR SYNTHETIC APERTURE RADAR IMAGERY XXIV, Vol. 10201.

By: Y. Kim *, C. Gloster* & W. Alexander n

author keywords: Synthetic Aperture Radar; FPGA; Discrete Wavelet Transform
topics (OpenAlex): Numerical Methods and Algorithms; Digital Filter Design and Implementation; Radar Systems and Signal Processing
TL;DR: Experimental results show a linear speedup by adding reasonably small processing elements in Field Programmable Gate Array (FPGA) as opposed to using a software implementation running on a typical general purpose processor. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Design of digital filters

Digital Signal Processing: Principles, Algorithms and System Design, 205–275.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Digital signal processing systems design

Digital Signal Processing: Principles, Algorithms and System Design, 455–517.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Digital signal processing: principles, algorithms and system design preface

Digital Signal Processing: Principles, Algorithms and System Design, XXVII-.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2017 article

Finite Word Length Effects

DIGITAL SIGNAL PROCESSING: PRINCIPLES, ALGORITHMS AND SYSTEM DESIGN, pp. 351–388.

By: W. Alexander*, C. Williams* , W. Alexander & C. Williams

topics (OpenAlex): Numerical Methods and Algorithms
TL;DR: Chapter 6 covers methods used to represent numbers and the impact of the use of finite precision arithmetic for the implementation of discrete time systems and presents a concept for statistical analysis of rounding errors due to word length effects. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Frequency domain analysis

Digital Signal Processing: Principles, Algorithms and System Design, 159–204.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Fundamental DSP concepts

Digital Signal Processing: Principles, Algorithms and System Design, 19–157.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Hardware implementation

Digital Signal Processing: Principles, Algorithms and System Design, 519–561.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Implementation of discrete time systems

Digital Signal Processing: Principles, Algorithms and System Design, 277–350.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Introduction to digital signal processing

Digital Signal Processing: Principles, Algorithms and System Design, 1–17.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Multirate digital signal processing

Digital Signal Processing: Principles, Algorithms and System Design, 389–454.

By: W. Alexander & C. Williams 

Source: NC State University Libraries
Added: August 6, 2018

2012 article

A Dataflow Framework for DSP Algorithm Refinement

2012 IEEE COMPUTER SOCIETY ANNUAL SYMPOSIUM ON VLSI (ISVLSI), pp. 1-+.

By: Y. Kim n, W. Alexander n & W. Edmonson *

author keywords: refinement; DSP; dataflow; framework
topics (OpenAlex): Embedded Systems Design Techniques; Real-Time Systems Scheduling; Parallel Computing and Optimization Techniques
TL;DR: A framework that will help to develop a methodology that facilitates the derivation of analytical dataflow models for quantifying the underlying algorithm's memory complexity, related timing considerations, and verification of the correctness of the video compression algorithm is proposed. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2009 journal article

Automated Design Space Exploration for DSP Applications

JOURNAL OF SIGNAL PROCESSING SYSTEMS FOR SIGNAL IMAGE AND VIDEO TECHNOLOGY, 56(2-3), 199–216.

By: R. Hourani n, R. Jenkal n, W. Davis  n & W. Alexander n

author keywords: Hardware design; VLSI; Synthesis; RTL; Area; Throughput; Power dissipation; DSP; FIR filter
topics (OpenAlex): Embedded Systems Design Techniques; VLSI and FPGA Design Techniques; Digital Filter Design and Implementation
TL;DR: This work aims at performing hardware optimizations at the architectural and arithmetic levels, relieving the user from manually describing the designs at the register transfer level and iteratively varying the hardware structures. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Identification of protein-coding sequences using the hybridization of 18S rRNA and mRNA during translation

NUCLEIC ACIDS RESEARCH, 37(2), 591–601.

By: C. Xing n, D. Bitzer n, W. Alexander n, M. Vouk n & A. Stomp n

MeSH headings : Base Pairing; Computational Biology / methods; Open Reading Frames; Peptide Chain Elongation, Translational; RNA, Messenger / chemistry; RNA, Ribosomal, 18S / chemistry; Saccharomyces cerevisiae Proteins / genetics; Schizosaccharomyces pombe Proteins / genetics; Sequence Analysis, RNA / methods
topics (OpenAlex): RNA and protein synthesis mechanisms; Genomics and Phylogenetic Studies; Machine Learning in Bioinformatics
TL;DR: A new approach to distinguish protein-coding sequences from non-Coding sequences utilizing a period-3, free energy signal that arises from the interactions of the 3′-terminal nucleotides of the 18S rRNA with mRNA is introduced. (via Semantic Scholar)
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7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 article

Parallel image processing with the block data parallel architecture (Reprinted from Proceedings of the IEEE, vol 84, pg 947-968, 1996)

Alexander, W. E., Reeves, D. S., & Gloster, C. S. (2000, September). IBM JOURNAL OF RESEARCH AND DEVELOPMENT, Vol. 44, pp. 681–702.

By: W. Alexander n, D. Reeves n & C. Gloster n

topics (OpenAlex): Parallel Computing and Optimization Techniques; Interconnection Networks and Systems; CCD and CMOS Imaging Sensors
TL;DR: The goal of this paradigm is to reduce interprocessor communication, and relax the synchronization requirements for such applications, and it is demonstrated that the block data parallel architecture is a flexible, high-performance solution for numerous digital signal and image processing algorithms. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

1998 journal article

A complex optimal signal-processing algorithm for frequency-stepped CW data

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING, 45(6), 754–757.

By: S. Wu n, G. Ybarra* & W. Alexander*

author keywords: optimization; range resolution; target range estimation
topics (OpenAlex): Structural Health Monitoring Techniques; Control Systems and Identification; Target Tracking and Data Fusion in Sensor Networks
TL;DR: A complex nonlinear optimal signal-processing algorithm for estimating target ranges from a set of frequency-stepped continuous wave measurements is derived, a generalization of a prior optimization algorithm in that the reflection amplitudes are modeled as phasors rather than real-valued scalars. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

1998 journal article

A mean field annealing approach to robust corner detection

IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS PART B-CYBERNETICS, 28(1), 82–90.

By: K. Sohn*, J. Kim * & W. Alexander n

topics (OpenAlex): Advanced Vision and Imaging; Robotics and Sensor-Based Localization; Advanced Image and Video Retrieval Techniques
TL;DR: This paper can detect corners easier and better in this approach than in the constrained regularization approach, and some matching results based on the corners detected by corner sharpness in the mean field annealing approach are presented. (via Semantic Scholar)
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11. Sustainable Cities and Communities (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1998 journal article

An optimum solution for scale-invariant object recognition based on the multiresolution approximation

PATTERN RECOGNITION, 31(7), 889–908.

By: S. Yoon *, J. Kim *, W. Alexander n, S. Park* & K. Sohn*

author keywords: object recognition; wavelet transform; neural network; pattern matching; multiresolution approximation; image analysis
topics (OpenAlex): Medical Image Segmentation Techniques; Advanced Image Fusion Techniques; Image and Signal Denoising Methods
TL;DR: This research introduces the continuous multiresolution approximation (CMA) in terms of the continuous wavelet transform (CWT) and implements a fast algorithm to compute the CMA, which provides a consistent interpretation of objects with scale-variations. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

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