关键词: 高效视频编码, 已编码信息, 率失真代价, 残差块

Abstract: High Efficient Video Coding（HEVC） of inter-frame prediction process is introduced for a high complexity.  This paper proposes early skip mode decision, Coding Unit（CU） early termination partition and Transform Unit（TU） early termination partition. First, natural video sequence has a high probability of using skip mode, using current block and encoded information blocks of spatially adjacent early decide on skip mode. Meanwhile, in order to avoid unnecessary coding depth, the rate-distortion cost of the previously encoded block is used to decide on CU early termination partition. Last, TU early termination partition is decided by using texture complexity of the current prediction residual block. Experimental results show the proposed algorithm can save encode time 43.78%, at the same time 1.67% of losses of bj?ntegaard delta bit rate（BDBR）. By comparing the experimental data under the condition that the quality of video is negligible, can largely reduce the complexity of encoder.

Key words: High Efficient Video Coding（HEVC）, encoded information, rate-distortion cost, residual block