用于估计运动物体的运动向量，十分经典的算法-used to estimate the movement of the motion vector objects, classical algorithm

光流算法程序，用来估计背景变化的图像序列或视频序列，可以很好的用来跟踪运动目标-Optical flow algorithm is used to estimate changes in background image sequence or video sequence can be well used to track moving targets. . .