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Recent Patents on Computer Science

Editor-in-Chief

ISSN (Print): 2213-2759
ISSN (Online): 1874-4796

Review on Recent Patents in Distributed Video Coding

Author(s): Yong Fang and Jechang Jeong

Volume 1, Issue 2, 2008

Page: [118 - 123] Pages: 6

DOI: 10.2174/2213275910801020118

Price: $65

Abstract

The distributed video coding (DVC) is a new type of video coding scheme which is fundamentally different from conventional video coding schemes. The key feature of the DVC is separate encoding and joint decoding which is attractive in many cases when communications between encoders are prohibited. The DVC is based on Slepian and Wolfs and Wyner and Zivs information-theoretic results from the 1970s. This paper reviews the recent patents on practical distributed video coding schemes. The key components in a DVC system, such as Slepian-Wolf coding, quantization, spatial and temporal decorrelation, correlation noise modeling, encoder rate control, etc., are discussed. Some practical DVC systems are introduced as examples. This paper also points out future works on this issue.

Keywords: Distributed video coding, Slepian-Wolf theorem, Wyner-Ziv theorem, low-density parity-check codes


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