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CoSaMP: iterative signal recovery from incomplete and inaccurate samples

Published: 01 December 2010 Publication History

Abstract

Compressive sampling (CoSa) is a new paradigm for developing data sampling technologies. It is based on the principle that many types of vector-space data are compressible, which is a term of art in mathematical signal processing. The key ideas are that randomized dimension reduction preserves the information in a compressible signal and that it is possible to develop hardware devices that implement this dimension reduction efficiently. The main computational challenge in CoSa is to reconstruct a compressible signal from the reduced representation acquired by the sampling device. This extended abstract describes a recent algorithm, called, <code>CoSaMP</code>, that accomplishes the data recovery task. It was the first known method to offer near-optimal guarantees on resource usage.

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Published In

cover image Communications of the ACM
Communications of the ACM  Volume 53, Issue 12
December 2010
127 pages
ISSN:0001-0782
EISSN:1557-7317
DOI:10.1145/1859204
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 01 December 2010
Published in CACM Volume 53, Issue 12

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