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In a very interesting recent paper, the authors proposed a least support denoising-orthogonal matching pursuit (LSD-OMP) algorithm and gave a sufficient condition for LSD-OMP algorithm in terms of restricted isometry constant of the measurement matrix. According to Dai and Milenkovic (2009), Wang et al. (2012) and Needell and Tropp (2009), this comment will point out that there are some errors in...
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