Journal
IEEE SIGNAL PROCESSING LETTERS
Volume 20, Issue 6, Pages 611-614Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LSP.2013.2260822
Keywords
Compressed sensing; multiple measurement vector; particle swarm optimization; thresholding
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Funding
- National Natural Science Foundation of China [61271014, 61072118, 11101430]
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This letter addresses the joint sparse recovery problem, which is a hot topic in the compressed sensing (CS) theory and its various applications. Inspired by particle swarm optimization (PSO) algorithm and some sparse recovery algorithms, a novel swarm intelligence algorithm called M-SISR is proposed to solve the problem. In M-SISR, the initial positions of the swarm are designed using the q-thresholding (1 <= q <= 2) algorithm, and the update strategy is designed using the ideas of PSO and some sparse recovery algorithms. Theoretical analysis shows the good property of the update strategy, and numerical simulations on random Gaussian data illustrate the efficiency of M-SISR.
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