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Adaptive Fast Algorithm for Inter/Intra Prediction in H.264  

Jin, Soon-Jong (한양대학교 전자통신컴퓨터공학과 영상통신 및 신호처리 연구실)
Kim, Won-Ki (한양대학교 전자통신컴퓨터공학부)
Jeong, Je-Chang (한양대학교 전자통신컴퓨터공학부)
Abstract
The latest standard H.264 coding methods show better efficiency compared to the former coding standards from the rate distortion point of view, but also lead to high complexity. In this paper, we propose an adaptive and fast inter/intra prediction algorithm for H.264 video coding. In the inter prediction algorithm, an effective and simple mode selection method is proposed, which can adaptively adjust to motion estimation to reduce complexity. And proposed intra prediction algorithm reduces its complexity by using calculated Minimum Rate-Distortion costs in the prediction of Intra $16{\times}16$ and $4{\times}4$ modes. From experiment using JM8.4, our algorithm can reduce about $60.9\%$ of computation time as compared to JM, with only negligible PSNR and bitrate degradation.
Keywords
H.264; mode decision; prediction; fast algorithm; complexity reduction;
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  • Reference
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