Typical Performance of Irregular Low-Density Generator-Matrix Codes for Lossy Compression
classification
❄️ cond-mat.dis-nn
cs.ITmath.IT
keywords
irregulararbitrarycodescompressiondegreedistributiongenerator-matrixlossy
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We evaluate typical performance of irregular low-density generator-matrix (LDGM) codes, which is defined by sparse matrices with arbitrary irregular bit degree distribution and arbitrary check degree distribution, for lossy compression. We apply the replica method under one-step replica symmetry breaking (1RSB) ansatz to this problem.
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