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Quantization Parameter Selection Method For H.264-based Multi-view Video Coding  

Park, Pil-Kyu (광주과학기술원 정보통신공학과)
Ho, Yo-Sung (광주과학기술원 정보통신공학과)
Abstract
Recently various prediction structures have been proposed to exploit inter-view correlation among multi-view video sequences. In this paper, we propose a QP(quantization parameter) selection method for the B frame inserted in the first frames of each GOP(group of pictures), where we change QP for the B frame adaptively to achieve uniform picture quality and overall coding gain. Each B frame is coded with reference to two frames in its adjacent views. We calculate QP for the B frame based on the correlation between the two reference frames, calculated using their rate-distortion costs. By applying the proposed method to the MVC reference prediction structure, we have improved the coding gain by 0.09$\sim$0.16 dB.
Keywords
Mulll-view video coding; Inter-view prediction structure; JSVM;
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