avi视频提取出书帧图像，然后对图像进行处理，经过处理后的图像帧再写成另一段的avi视频。-avi video video frame extracted, processed image frame, and then the images will be referred to the district into another frame of video avi.

《MATLAB 7.0从入门到精通》一书的配套程序——第6章的程序。-" MATLAB 7.0 from the entry to the master," a book supporting the process- the procedures in Chapter 6.