usb摄像头的读取和视频的播放和暂停 图像的边缘检测和移动检测 利用opencv和vs2010-read usb camera and video playback and pause image edge detection and motion detection using opencv and vs2010

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