这是一篇讲述运动估计中快速亚像素运动估计算法的文章，其中利用相邻匹配点匹配误差值减少待检测匹配点的方法有效地提高了算法的速度。-This is a fast motion estimation on the sub-pixel motion estimation algorithm of the article, in which the use of adjacent match points to reduce the matching error to be the method of detection of matching points effectively improve the speed of the algorithm.