MATLAB processing for video

[Filename, pathname, fileindex] = uigetfile ('*. avi ', 'select an AVI file'); video_info = aviinfo ([pathname filename]); % info = % filename: Video name % filesize: Video size % filemoddate: video creation date % numframes: Total Video Frames % framespersecond: video collection rate % width: Video width % height: Video height % imagetype: 'truecolor' image mode % videocompression: 'did3' video image compression format % quality: 0% numcolormapentries: 0len = video_info.numframes; % get video length for k = 1: Len video_videotape (K) = aviread (video_info.filename, k ); video_image = video_videotape (k ). CDATA; if k <10 imwrite(video_image, strcat('{', int2str(k},'.bmp '), 'bmp'); % save each frame to the hard disk elseif K >=10 & K <100 ''), 'bmp '); % save each frame of image to the hard disk elseif K> = 100 & K <1000 imwrite(video_image, strcat('00', int2str(k),'.bmp '), 'bmp '); % save each frame of image to the hard disk elseif K> = 1000 & K <1000 ''), 'bmp '); % save each frame of image to the hard disk else imwrite(video_image,strcat(int2str(k),'.bmp '), 'bmp '); % save each frame of image to the hard disk end