用MATLAB处理视频文件答:function avi2pic(avifile,pickind)function avi2pic(avifile,pickind)avifile-- the avi filename,like 'darnshong.avi','ioe.avi',etc;pickind-- the kind of image format,like 'jpg','bmp',etc supported export image format:'jpg','jpeg','bmp','tiff','tif','gif','png',etc ...