Successive wyner-ziv coding scheme and its application to the quadratic Gaussian CEO problem

被引：37
作者：
Chen, Jun [1 ]
Berger, Toby [2 ]
机构：
[1] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4K1, Canada
[2] Univ Virginia, Dept Elect & Comp Engn, Charlottesville, VA 22904 USA
来源：
IEEE TRANSACTIONS ON INFORMATION THEORY | 2008年 / 54卷 / 04期
关键词：
CEO problem; contra-polymatroid; rate splitting; source splitting; successive refinement; Wyner-Ziv coding;
D O I：
10.1109/TIT.2008.917687
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we introduce a distributed source coding scheme called, successive Wyner-Ziv coding. We show that every point in the rate region of the quadratic Gaussian CEO problem can be achieved via successive Wyner-Ziv coding. The concept of successive refinement in single source coding is generalized to the distributed source coding scenario, which we refer to as distributed successive refinement. For the quadratic Gaussian CEO problem, we establish a necessary and sufficient condition for distributed successive refinement, where the successive Wyner-Ziv coding scheme plays an important role.
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页码：1586 / 1603
页数：18
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