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Fusion of greedy pursuits for compressed sensing signal reconstruction
IISc - Indian Institute of Science.
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0003-2638-6047
IISc - Indian Institute of Science.
2012 (engelsk)Inngår i: 2012 Proceedings Of The 20th European Signal Processing Conference (EUSIPCO), IEEE Computer Society, 2012, s. 1434-1438Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Greedy Pursuits are very popular in Compressed Sensing for sparse signal recovery. Though many of the Greedy Pursuits possess elegant theoretical guarantees for performance, it is well known that their performance depends on the statistical distribution of the non-zero elements in the sparse signal. Inpractice, the distribution of the sparse signal may not be knowna priori. It is also observed that performance of Greedy Pursuits degrades as the number of available measurements decreases from a threshold value which is method dependent. To improve the performance in these situations, we introduce a novel fusion framework for Greedy Pursuits and also propose two algorithms for sparse recovery. Through Monte Carlo simulations we show that the proposed schemes improve sparse signal recovery in clean as well as noisy measurement cases.

sted, utgiver, år, opplag, sider
IEEE Computer Society, 2012. s. 1434-1438
Serie
European Signal Proceedings Conference, ISSN 2076-1465
Emneord [en]
compressed sensing, Sparse Recovery, Greedy Pursuits, Fusion
HSV kategori
Forskningsprogram
SRA - Informations- och kommunikationsteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-98493ISI: 000310623800288Scopus ID: 2-s2.0-84869757839ISBN: 978-146731068-0 (tryckt)OAI: oai:DiVA.org:kth-98493DiVA, id: diva2:537417
Konferanse
20th European Signal Processing Conference, EUSIPCO 2012;Bucharest;27 August 2012 through 31 August 2012
Forskningsfinansiär
ICT - The Next Generation
Merknad

Qc 20120827

Tilgjengelig fra: 2012-08-27 Laget: 2012-06-26 Sist oppdatert: 2013-04-15bibliografisk kontrollert

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