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H.264/AVC中4×4块的快速帧内预测算法的研究

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摘要 H.264/AVC采用空间域上的帧内预测技术,进一步提高了编码效率,但由于帧内预测模式数目较多,使预测的复杂度大幅度增加。本文分析了帧内预测模式的选择过程,根据SATD(Sum of Absolute Transformed Difference)以及相邻块的预测模式之间的相关性等特征提出一种快速预测方法,预先筛选出Intra_4×4候选模式,避免不必要的计算。实验结果显示,该算法大幅度降低运算的复杂度,同时基本保持了H.264/AVC的编码性能。
作者 管梅
出处 《科技信息》 2010年第16期I0112-I0113,共2页 Science & Technology Information
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参考文献6

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二级参考文献11

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