可以对视频目标进行背景差分，或帧间差分，或Mean Shif法，或重心多目标跟踪法进行跟踪目标。-Targets can be the background of the video difference, or inter-frame difference, or Mean Shif law, or the focus of multi-target tracking method to track the target.

mean shift tracking, 经我修改 可以运行-mean shift tracking code, running successfully.

Mean shif algorihtm for tracking objects