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    Efficient Temporal Search Range Prediction for Motion Estimation in H.264

    机译:H.264中用于运动估计的有效时间搜索范围预测

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    摘要

    An efficient search range prediction method is proposed to reduce the complexity of motion search in the H.264 video coding standard in this work. The main idea is to predict the temporal search range by modeling the relationship between the rate-distortion (RD) coding gain and the required computational complexity. The proposed algorithm first predicts the temporal search range to maximize the ratio of the expected RD coding gain and the normalized computational cost. Then, fast motion search is performed within the predicted search range with some early termination rule. Experimental results show that the proposed algorithm can save approximately 63-75% of the encoding complexity in motion estimation of H.264 (JM9.3) with negligible degradation in the RD performance.
    机译:提出了一种有效的搜索范围预测方法,以降低H.264视频编码标准中运动搜索的复杂度。主要思想是通过对速率失真(RD)编码增益与所需计算复杂度之间的关系进行建模来预测时间搜索范围。提出的算法首先预测时间搜索范围,以使期望的RD编码增益与归一化的计算成本之比最大化。然后,使用某些提前终止规则在预测的搜索范围内执行快速运动搜索。实验结果表明,该算法在H.264(JM9.3)运动估计中可以节省大约63-75%的编码复杂度,而RD性能却可以忽略不计。

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