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Block-Refined Orthogonal Matching Pursuit for Sparse Signal Recovery
Ying JI Xiaofu WU Jun YAN Wei-ping ZHU Zhen YANG
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/08/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: Digital Signal Processing
compressive sensing, orthogonal matching pursuit, block-refined orthogonal matching pursuit, refining strategy,
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We propose a variant of OMP algorithm named BROMP for sparse solution. In our algorithm, the update rule of MP algorithm is employed to reduce the number of least square calculations and the refining strategy is introduced to further improve its performance. Simulations show that the proposed algorithm performs better than the OMP algorithm with significantly lower complexity.