说明：  用matlab对视频文件(*.avi）进行读取，读取出每祯的图片，选取出自己感兴趣的图片，还原成新的视频文件，如程序显示无法读取，下载winavi进行转换
(Using matlab for video files (*. avi) to read, read Qizhen each picture, select a picture of interest to them, to restore into a new video file, such as the program displays can not be read, download WinAVI to convert)