期刊
SIGNAL PROCESSING
卷 93, 期 1, 页码 338-344出版社
ELSEVIER
DOI: 10.1016/j.sigpro.2012.07.011
关键词
Compressed sensing; Restricted Isometry Property (RIP); I-p minimization; Sparse signal recovery; Partially known support
We study recovering sparse and compressible signals using I-p minimization with p < 1 when some part of the support of the signal is known a priori. Sparse reconstruction method based on I-p minimization with partially known set is proposed and recovery conditions are given. Theoretical results show that I-p minimization with partially known support is stable and robust. Experimental results are presented to expose the modification of I-p minimization improves performance and need fewer samples to reconstruct the signal. (C) 2012 Elsevier B.V. All rights reserved.
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