MATLAB实现视频关键帧提取答:for k=1:LEN-1 %若read到len,常会报错如下??? MATLAB:read:readTimedOut,独到len-1就好了 frame=rgb2gray(read(video,k));if k<10 imwrite(frame,strcat(dir,'\',fn,'000',int2str(k),'.jpg'),'jpg');%把每帧图像存入硬盘 elseif k>=10 && k<100 imwrite(frame,strcat(dir,'...