A two-stage algorithm for multiple description predictive coding

被引：0
|
作者：
Samarawickrama, Upul [1 ]
Liang, Jie [1 ]
机构：
[1] Simon Fraser Univ, Sch Engn Sci, Burnaby, BC V5A 1S6, Canada
来源：
2008 CANADIAN CONFERENCE ON ELECTRICAL AND COMPUTER ENGINEERING, VOLS 1-4 | 2008年
关键词：
multiple description coding; information theory; speech coding;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A two-stage multiple description predictive coding technique is proposed. A predictive encoder is used in the first stage of each description. The two encoders are designed to create staggered quantizers for the input, which allow further refinement of the joint reconstruction in the second stage. Theoretical analysis and simulation results show that this method is very efficient in the high rate multiple description coding of strongly correlated sources.
引用
收藏
页码：651 / 654
页数：4
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