Multiple Description Coding for Stationary Gaussian Sources
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We consider the problem of multiple description coding for stationary Gaussian sources under the squared error distortion measure. The rate region is characterized for the 2-description case. It is shown that each supporting line of the rate region is achievable with a transform lattice quantization scheme. We show the optimal coding scheme has a natural spectral domain coding interpretation, which yields a reverse water-filling solution with a frequency-dependent water level instead of the flat water level as in the conventional single description case. 2009 IEEE.
IEEE Transactions on Information Theory
author list (cited authors)
Chen, J., Tian, C., & Diggavi, S.