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By focusing on the decoding process to improve coding efficiency, we propose an effective video coding method by employing parameter estimation in the decoding process. A bitrate reduction can be achieved when the proposed method is applied to the DC transform coefficient and the motion vector of H.264. 0.25%~0.84%.
A novel approach to hardware implementation of H.264 block size decision is proposed, which is based on rate-distortion (RD) optimization. Utilization of RD cost for block size decision can improve up to 2.0 dB of PSNR in compared with conventional SAD/SATD based approaches. However, calculation of RD cost for a block incurs considerable computational costs since distortion can be determined only...
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