On symmetric multiple description coding

We derive a single-letter lower bound on the minimum sum rate of multiple description coding with symmetric distortion constraints. For the binary uniform source with the Hamming distortion measure, this lower bound can be evaluated with the aid of a certain minimax theorem. A similar minimax theore...

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Vydané v:2013 IEEE Information Theory Workshop (ITW) s. 1 - 5
Hlavní autori: Lin Song, Shuo Shao, Jun Chen
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 01.09.2013
Predmet:
Distortion measurement
Encoding
Joints
Markov processes
Tin
Vectors
Zinc
ISBN:9781479913213, 1479913219
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Shrnutí:We derive a single-letter lower bound on the minimum sum rate of multiple description coding with symmetric distortion constraints. For the binary uniform source with the Hamming distortion measure, this lower bound can be evaluated with the aid of a certain minimax theorem. A similar minimax theorem is established in the quadratic Gaussian setting, which is further leveraged to analyze the special case where the minimum sum rate subject to two levels of distortion constraints (with the second level imposed on the complete set of descriptions) is attained; in particular, we determine the minimum achievable distortions at the intermediate levels.
ISBN:9781479913213
1479913219
DOI:10.1109/ITW.2013.6691217