用于视频编码的改进的逐次消除算法

Wuhan Ligong Daxue Xuebao/Journal of Wuhan University of Technology(2008)

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Abstract
与以往的各种视频编码标准相比,H.264视频编码标准在编码效率上获得了相当大的提高.但这是以提高编码的计算复杂度为代价的,其中运动估计的计算复杂度最大.提出一种适用于全搜索的改进的逐次消除算法,它能够有效地消除运动估计过程中的无效搜索点,加快运动估计的速度.试验结果表明:无效搜索点的消除率最大能够达到98%,而率失真性能无损失.
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Key words
H.264,Motion estimation,Video coding
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