A Motion-Compensated Overcomplete Temporal Decomposition for Multiple Description Scalable Video Coding

被引：15
|
作者：
Tillier, Christophe [1 ]
Petrisor, Teodora [1 ]
Pesquet-Popescu, Beatrice [1 ]
机构：
[1] ENST, Signal & Image Proc Dept, F-75634 Paris 13, France
来源：
EURASIP JOURNAL ON IMAGE AND VIDEO PROCESSING | 2007年 / 2007卷 / 1期
关键词：
D O I：
10.1155/2007/31319
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a new multiple-description coding (MDC) method for scalable video, designed for transmission over error-prone networks. We employ a redundant motion-compensated scheme derived from the Haar multiresolution analysis, in order to build temporally correlated descriptions in a t + 2D video coder. Our scheme presents a redundancy which decreases with the resolution level. This is achieved by additionally subsampling some of the wavelet temporal subbanbds. We present an equivalent four-band lifting implementation leading to simple central and side decoders as well as a packet-based reconstruction strategy in order to cope with random packet losses. Copyright (C) 2007 Christophe Tillier et al.
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页数：12
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