视频读取并提取目标背景 ......................\1.avi ......................\avermatrix.m ......................\frame2bmp.m ......................\jpgtoavi.asv ......................\jpgtoavi.m ......................\mexDDGrab.dll ......................\mmread.m ......................\show.asv ......................\show.m ......................\show.m.bak ......................\说明.txt