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Wyner-Ziv Coding for Video: Applications to Compression and Error Resilience

By Anne Aaron, Shantanu Rane, Rui Zhang and Bernd Girod

Abstract

In this paper we consider two separate applications of Wyner-Ziv coding of motion video. The Wyner-Ziv Theorem on source coding with side information available only at the decoder suggests that an asymmetric video codec, where indi- vidual frames are encoded separately but decoded conditionally (given temporally adjacent frames) could achieve efficiency comparable to current interframe video compression systems. We report first results on a Wyner-Ziv coding scheme for motion video that uses intraframe encoding, but interframe decoding. Secondly, we apply Wyner-Ziv coding to the transmission of compressed video over an errorprone channel. We use Wyner-Ziv Coding to generate a supplementary bitstream which contains a coarsely quantized representation of the transmitted video signal

Year: 2003
OAI identifier: oai:CiteSeerX.psu:10.1.1.20.6826
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