Adaptive asymmetric diamond search algorithm for block-based motion estimation

被引：0
|
作者：
Sappasitwong, T [1 ]
Aramvith, S [1 ]
Jitapunkul, S [1 ]
Tamtrakarn, A [1 ]
Kitti-punyangam, P [1 ]
Kortrakulkij, H [1 ]
机构：
[1] Chulalongkorn Univ, Dept Elect Engn, Digital Signal Proc Res Lab, Bangkok, Thailand
来源：
DSP 2002: 14TH INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING PROCEEDINGS, VOLS 1 AND 2 | 2002年
关键词：
D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In this paper, we present an adaptive asymmetric diamond search (AADS) for block based motion estimation. The proposed method exploits adaptive search pattern based on the predicted motion vector. In addition, the accuracy of the prediction is improved by changing initial search center position. Simulation results show that the proposed algorithm can reduce the number of search points up to about 50% compared to the regular diamond search while keeping the picture quality similar to other fast search algorithms.
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页码：563 / 566
页数：4
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