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Sublinear Recovery of Sparse Wavelet Signals

Authors: Ray Maleh; Anna C. Gilbert;

Sublinear Recovery of Sparse Wavelet Signals

Abstract

There are two main classes of decoding algorithms for "compressed sensing," those which run in time polynomial in the signal length and those which use sublinear resources. Most of the sublinear algorithms focus on signals which are compressible in either the Euclidean domain or the Fourier domain. Unfortunately, most practical signals are not sparse in either one of these domains. However, many are sparse (or nearly so) in the Haar wavelet system. We present a modified sublinear recovery algorithm which utilizes the recursive structure of Reed-Muller codes to recover a wavelet-sparse signal from a small set of pseudo-random measurements. We also discuss an implementation of the algorithm to illustrate proof-of-concept and empirical analysis.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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