%0 Journal Article %A Zong Chen %D 2009 %J International Journal of Computer and Information Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 35, 2009 %T Efficient Block Matching Algorithm for Motion Estimation %U https://publications.waset.org/pdf/1581 %V 35 %X Motion estimation is a key problem in video processing and computer vision. Optical flow motion estimation can achieve high estimation accuracy when motion vector is small. Three-step search algorithm can handle large motion vector but not very accurate. A joint algorithm was proposed in this paper to achieve high estimation accuracy disregarding whether the motion vector is small or large, and keep the computation cost much lower than full search. %P 2655 - 2659