Dr. Alyson K. Fletcher Profile

Dr. Alyson K. Fletcher

at Univ of California Santa Cruz

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Publications (5)

Proceedings Article | 26 September 2013 Paper

Hybrid approximate message passing for generalized group sparsity

Alyson Fletcher, Sundeep Rangan

Proceedings Volume 8858, 88580P (2013) https://doi.org/10.1117/12.2026729

KEYWORDS: Amplifiers, Statistical modeling, Statistical analysis, Compressed sensing, Radon, Error analysis, Matrices, Image analysis, Image processing, Feature selection

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Proceedings Article | 4 September 2009 Paper

A sparsity detection framework for on-off random access channels

Alyson Fletcher, Sundeep Rangan, Vivek Goyal

Proceedings Volume 7446, 744607 (2009) https://doi.org/10.1117/12.824127

KEYWORDS: Signal to noise ratio, Receivers, Detection and tracking algorithms, Modulation, Resistance, Signal detection, Compressed sensing, Interference (communication), Feedback control, Space based lasers

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Proceedings Article | 17 September 2005 Paper

Sparse approximation, denoising, and large random frames

Alyson Fletcher, Sundeep Rangan, Vivek Goyal

Proceedings Volume 5914, 59140M (2005) https://doi.org/10.1117/12.615772

KEYWORDS: Signal to noise ratio, Associative arrays, Denoising, Error analysis, Interference (communication), Palladium, Signal generators, Wavelets, Optical spheres, Performance modeling

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Proceedings Article | 13 November 2003 Paper

Estimation error bounds for frame denoising

Alyson Fletcher, Kannan Ramchandran

Proceedings Volume 5207, (2003) https://doi.org/10.1117/12.507260

KEYWORDS: Denoising, Error analysis, Signal to noise ratio, Distortion, Interference (communication), Associative arrays, Computer programming, Signal processing, Structural design, Wavelets

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Proceedings Article | 13 November 2003 Paper

Iterative projective wavelet methods for denoising

Alyson Fletcher, Vivek Goyal, Kannan Ramchandran

Proceedings Volume 5207, (2003) https://doi.org/10.1117/12.507250

KEYWORDS: Wavelets, Denoising, Wavelet transforms, Interference (communication), Signal to noise ratio, Digital filtering, Signal processing, Electrical engineering, Electronic filtering, Filtering (signal processing)

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