Sparse signal recovery using orthogonal matching pursuit (OMP)

Compressive sensing is an emergent field of signal processing which states that a small number of non-adaptive linear projections on a compressible signal contain enough information to reconstruct and process it. This paper presents the results of evaluating five measurement matrices for applying th...

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Veröffentlicht in:Ingeniería e investigación 2009-05, Vol.29 (2), p.112-118
Hauptverfasser: Lobato Polo, Adriana Patricia, Ruiz Coral, Rafael Humberto, Quiróga Sepúlveda, Julián Armando, Recio Vélez, Adolfo León
Format: Artikel
Sprache:eng
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Zusammenfassung:Compressive sensing is an emergent field of signal processing which states that a small number of non-adaptive linear projections on a compressible signal contain enough information to reconstruct and process it. This paper presents the results of evaluating five measurement matrices for applying them to compressive sensing in a system using orthogonal matching pursuit (OMP) to reconstruct the original signal. The measurement matrices were those implicated in compressive sensing as well as in reconstructing the signal. The Hadamard-random matrix stood out within this group of matrices because the lowest percentage of error in signal recovery was obtained with it. This paper also presents a methodology for evaluating these matrices, allowing subsequent analysis of their suitability for specific applications.
ISSN:0120-5609
2248-8723
DOI:10.15446/ing.investig.v29n2.15171