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http://dx.doi.org/10.5909/JBE.2010.15.5.653

Efficient Entropy Coding Method for Scalable Video Coding  

Choi, Hyo-Min (Dept. of Computer Engineering, Kwangwoon University)
Nam, Jung-Hak (Dept. of Computer Engineering, Kwangwoon University)
Sim, Dong-Gyu (Dept. of Computer Engineering, Kwangwoon University)
Choi, Byeong-Doo (Samsung Electronics)
Cho, Dae-Sung (Samsung Electronics)
Publication Information
Journal of Broadcast Engineering / v.15, no.5, 2010 , pp. 653-664 More about this Journal
Abstract
Generally existing video codec employs entropy coding to deal with residual signals with considering temporal and spatial properties. Scalable Video Coding(SVC) which is extension of H.264/AVC has three technical concepts for removing redundancies between inter-layers. In spite of using novel prediction method between inter-layers in SVC, it is still using same entropy coding method to residual signals. According to the studies, the residual obtained by inter-layer prediction technique has different features of residual signal acquired by spatial or temporal prediction technique. In this paper, we propose an efficient entropy coding method which codes the residual signal obtained by inter-layer prediction with regarding its features adequately. We re-designed the Coded Block Pattern(CBP) table suitably for inter-layer texture prediction. The experiments show that the proposed method can further reduce the BD-Bitrate up to average 2.20% in 4CIF and 1.14% in CIF resolution compared to the existing JSVM 9.18.
Keywords
SVC; CBP; Inter-layer texture prediction; Inter-layer intra prediction;
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