On Wyner-Ziv Problem for general sources with average distortion criterion

O236%TN911.2; The Wyner-Ziv Problem for general sources with average distortion under fixed-length coding is investigated in this paper. To solve the problem, an enhanced covering lemma for a Markov chain is first established. Then based on the lemma, a general formula for the rate-distortion functi...

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Bibliographic Details
Published in:Journal of Zhejiang University. A. Science 2007-07, Vol.8 (8), p.1263-1270
Main Authors: Yang, Sheng-tian, Zhao, Min-jian, Qiu, Pei-liang
Format: Article
Language:English
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Summary:O236%TN911.2; The Wyner-Ziv Problem for general sources with average distortion under fixed-length coding is investigated in this paper. To solve the problem, an enhanced covering lemma for a Markov chain is first established. Then based on the lemma, a general formula for the rate-distortion function of the problem is derived, where the distortion is only assumed uniformly bounded and may be nonadditive. Finally, it is further pointed out that such methods can be used to establish more general results on multiterminal source coding problems.
ISSN:1673-565X
1862-1775
DOI:10.1631/jzus.2007.A1263