NDLI: New Results on Multiple Descriptions in the Wyner-Ziv Setting

Content Provider	IEEE Xplore Digital Library
Author	Jia Wang Xiaolin Wu Songyu Yu Jun Sun
Copyright Year	1963
Abstract	Some new results of multiple descriptions in the Wyner-Ziv setting (MDWZ) are presented. MDWZ uses two pieces of side information (SI) for two different side decoders. Both SI are available to the central decoder, but none to the encoder. The complete achievable region for a quadratic Gaussian MDWZ system is derived. This result is an extension of Ozarow's result on multiple descriptions of a Gaussian source without SI and Diggavi-Vaishampayan's result on common SI. It is shown that a refinement layer for the central decoder is indispensable if the central distortion is sufficiently small. The tight rate distortion region is also given if one of the side decoders is required to perfectly reconstruct a deterministic function of the source.
Sponsorship	IEEE Information Theory Society
Starting Page	1701
Ending Page	1708
Page Count	8
File Size	189513
File Format	PDF
ISSN	00189448
Volume Number	55
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Decoding Sun Video coding Rate-distortion Information theory Source coding Bandwidth Wyner-Ziv setting EGC region multiple descriptions no excess rate case side information
Content Type	Text
Resource Type	Article
Subject	Library and Information Sciences Information Systems Computer Science Applications

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