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Robust Scalable Video Transmission using Adaptive Multiple Reference Motion Compensated Prediction  

김용관 (호서대학교 전기정보통신 공학부 정보통신전공)
김승환 (서울대학교 전기.컴퓨터 공학부 신호처리연구실)
이상욱 (서울대학교 전기.컴퓨터 공학부 신호처리연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.3C, 2004 , pp. 408-418 More about this Journal
Abstract
In this paper, we propose a novel scalable video coding algorithm based on adaptively weighted multiple reference frame method. To improve the coding efficiency in the enhancement layer, the enhancement frame is predicted by the sum of adaptively weighted double motion compensated frames in the enhancement layer and the current frame in the base layer, according to the input video characteristics. By employing adaptive reference selection scheme at the decoder, the proposed method reduce the drift problem significantly. From the experimental results, the proposed algorithm shows more than 1.0 ㏈ PSNR improvement, compared with the conventional scalable H.263+ for various packet loss rate channel conditions.
Keywords
scalable video coding; adaptive weight;
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