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基于H.264的视频编码运动估计算法的优化

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摘要 运动估计是视频编码中的主要消耗编码时间的环节之一。本文基于H.264编码标准提出一种基于运动图像的的快速运动估计算法,该算法结合图像块的运动相关性,对块的运动区域分为微运动块、中等运动块和大运动块,并采用不同的模板进行搜索。实验结果表明,本算法在在编码恢复图像的效果在PSNR方面与全搜索相当,而在编码速度方面有较大的提高。
作者 王莉理
出处 《无线互联科技》 2012年第1期65-66,共2页 Wireless Internet Technology
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