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Rate Distortion Improved Mode Decision Method for H.264 Intra Coding  

You, Jong-Min (한양대학교 전자통신컴퓨터공학과 영상통신 및 신호처리 연구실)
Choi, Chang-Ryuol (한양대학교 전자통신컴퓨터공학과 영상통신 및 신호처리 연구실)
Jeong, Je-Chang (한양대학교 전자통신컴퓨터공학과 영상통신 및 신호처리 연구실)
Abstract
In this paper, we present a improved rate distortion optimization (RDO) for H.264 intra coding. By using new mode decision criteria pass for $I4{\times}4$ in company with the original RDO, the proposed method can achieve the better coding efficiency comparing with the original RDO. Our experimental results show that the proposed algorithm can archive about $0.64{\sim}1.6578%$ bit rate decrease at the same PSNR and $0.049{\sim}0.101dB$ PSNR increase at the same bit rate.
Keywords
H.264; Intra Prediction; Mode Decision; Rate Distortion Optimization;
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