opencv实现运动物体跟踪，如果opencv提供的模块不够，则需要亲自动手写一个自己的模块。-use opencv to track the target,if there no enough block,than we need add my own block.

展示opencv中运动跟踪框架的使用，如前景检测模块、新团块检测模块等-Show the usage in motion tracking framework in opencv, such as foreground detection module, a new mass detection module