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基于电子稳像的快速自适应菱形检取算法

Fast Adaptive Diamond Search Algorithm on Electronic Image Stabilization
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摘要 提出了一种用于电子稳像的自适应菱形帧间运动矢量检取算法,该算法充分利用视频图像序列运动矢量场的中心偏置特性,根据运动类型来选择的自适应菱形运动矢量检取算法:当前块为低速或静止运动块,直接采用小菱形搜索算法;当前块为中速运动块,采用大菱形搜索算法进行搜索;当前块为高速运动块,采用全搜索算法。 A new fast adaptive diamond search algorithm is proposed in this paper for motion estimation of Electronic Image Stabilization.The algorithm makes use of the center-biased characteristics of video image sequences motion vector field,choosing an adaptive diamond search motion vector algorithm according to the motion types:When the current block is a low-speed or static one,then directly take the use of small diamond search algorithm;when it is a medium-speed motion block,use a large diamond search algorithm to search;when it is a high-speed motion block,use a full-search algorithm.
出处 《煤炭技术》 CAS 北大核心 2010年第11期137-138,共2页 Coal Technology
基金 北京市教委科技发展计划面上项目(项目编号:KM200910028019)
关键词 电子稳像 自适应 菱形搜索 electronic image stabilization adaptive diamond search
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