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Adaptive Motion Estimation Algorithm Based on Hierarchy
Author(s): 
Pages: 13-15
Year: Issue:  3
Journal: VIDEO ENGINEERING

Keyword:  分层自适应视频压缩菱形搜索截止准则;
Abstract: 提出了一种基于分层的自适应运动估计算法,选取菱形作为搜索模型,提取相邻宏块间的运动矢量关系检验运动状况,对大运动块采用分层结构搜索,其他运动使用小菱形搜索,结合多种提前截止准则,在保证匹配精度的前提下提高了搜索速度.
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