计算机工程与应用 ›› 2010, Vol. 46 ›› Issue (5): 181-183.DOI: 10.3778/j.issn.1002-8331.2010.05.055

• 图形、图像、模式识别 • 上一篇    下一篇

一种八边形的混合快速运动估计算法

吴杰杰1,刘 渊2   

  1. 1.江南大学 信息工程学院,江苏 无锡 214122
    2.江南大学 数字媒体创意中心,江苏 无锡 214122
  • 收稿日期:2008-09-09 修回日期:2008-12-04 出版日期:2010-02-11 发布日期:2010-02-11
  • 通讯作者: 吴杰杰

One kind of mix octagon algorithm for fast motion estimation

WU Jie-jie1,LIU Yuan2   

  1. 1.School of Information Engineering,Jiangnan University,Wuxi,Jiangsu 214122,China
    2.Creative Digital Media Research Center,Jiangnan University,Wuxi,Jiangsu 214122,China
  • Received:2008-09-09 Revised:2008-12-04 Online:2010-02-11 Published:2010-02-11
  • Contact: WU Jie-jie

摘要: 根据图像序列的运动矢量的时空相关性和中心偏移特性,并结合零运动判断,设计研究了一种八边形模式搜索[1]。其在中等或大运动块的情况下相对于FS、TSS、DS、MVFAST能够得到更高的精确度,又由于对非静止块采用了起始点预测,减少了搜索的时间,同时可以大大提高搜索速度。

关键词: 运动估计, 八边形, 大小钻石, 阈值

Abstract: Based on the space-time correlation of video sequence motion vector and center-biased character,this paper unifies the zero movement judgment.A new kind of octagon pattern search[1] is proposed.The proposed algorithm can obtain a higher precision than FS,TSS,DS,MVFAST,when the block movement is strong and due to the initial prediction to the non-static block.It also reduces the search time at the same time,and therefore enhances search speed greatly.

Key words: motion estimation, octagon, small and big diamond, threshold

中图分类号: