An improved RIP-based performance guarantee for sparse signal recovery via simultaneous orthogonal matching pursuit

An improved RIP-based performance guarantee for sparse signal recovery via simultaneous orthogonal matching pursuit
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通过同时正交匹配追踪改进基于 RIP 的稀疏信号恢复性能保证

DOI:
10.1016/j.sigpro.2017.09.027
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发表时间:
2018-03
期刊:
影响因子:
4.4
通讯作者:
Haifeng Li
Haifeng Li
中科院分区:
工程技术2区
文献类型:
--
作者:
Haifeng Li

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近年来,基于受限等距特性(RIP),提出了在测量矩阵不同的情况下,同时正交匹配追踪(SOMP)算法精确支撑恢复的几个充分条件。本文在无噪声情况下,提出了利用SOMP精确回收支护的一个充分条件,改进了已有的结果。通过一个反例,在无噪声的情况下,薛涛提出的一个开放问题。Al, 2015)得到了解决。
Recently, based on restricted isometry property (RIP), some sufficient conditions for exact support recovery with simultaneous orthogonal matching pursuit (SOMP) algorithm have been proposed when measurement matrices are different. In this paper, in the noiseless case, one sufficient condition for exact support recovery with SOMP is presented to improve the existing results. By using a counter example, in the noiseless case, an open problem presented in (Xuet. al, 2015) is solved.
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