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http://dx.doi.org/10.7840/KICS.2011.36C.6.368

Efficient Correlation Noise Modeling and Performance Analysis for Distributed Video Coding System  

Moon, Hak-Soo (가톨릭대학교 정보통신전자공학과)
Lee, Chang-Woo (가톨릭대학교 정보통신전자공학과)
Lee, Seong-Won (광운대학교 컴퓨터공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.36, no.6C, 2011 , pp. 368-375 More about this Journal
Abstract
In the distributed video coding system, the parity bits, which are generated in encoders, are used to reconstruct Wyner-Ziv frames. Since the original Wyner-Ziv frames are not known in decoders, the efficient correlation noise modeling for turbo or LDPC code is necessary. In this paper, an efficient correlation noise modeling method is proposed and the performance is analyzed. The method to estimate the quantization parameters for key frames, which are encoded using H.264 intraframe coding technique, is also proposed. The performance of the proposed system is evaluated by extensive computer simulations.
Keywords
Distributed Video Coding System; Correlation Noise Modeling; Wyner-Ziv Frame; Turbo Code; Quantization Parameter;
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