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- W4300487953 abstract "Signal recovery from unitarily invariant measurements is investigated in this paper. A message-passing algorithm is formulated on the basis of expectation propagation (EP). A rigorous analysis is presented for the dynamics of the algorithm in the large system limit, where both input and output dimensions tend to infinity while the compression rate is kept constant. The main result is the justification of state evolution (SE) equations conjectured by Ma and Ping. This result implies that the EP-based algorithm achieves the Bayes-optimal performance that was originally derived via a non-rigorous tool in statistical physics and proved partially in a recent paper, when the compression rate is larger than a threshold. The proof is based on an extension of a conventional conditioning technique for the standard Gaussian matrix to the case of the Haar matrix." @default.
- W4300487953 created "2022-10-03" @default.
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- W4300487953 date "2017-01-18" @default.
- W4300487953 modified "2023-10-16" @default.
- W4300487953 title "Rigorous Dynamics of Expectation-Propagation-Based Signal Recovery from Unitarily Invariant Measurements" @default.
- W4300487953 doi "https://doi.org/10.48550/arxiv.1701.05284" @default.
- W4300487953 hasPublicationYear "2017" @default.
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