2016
DOI: 10.3390/a9040079
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A Two-Stage Method to Test the Robustness of the Generalized Approximate Message Passing Algorithm

Abstract: Abstract:We propose a two-stage method to test the robustness of the generalized approximate message passing algorithm (GAMP). A pursuit process based on the marginal posterior probability is inserted in the standard GAMP algorithm to find the support of a sparse vector, and a revised GAMP process is used to estimate the amplitudes of the support. The numerical experiments with simulation and real world data confirm the robustness and performance of our proposed algorithm.

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