Matlab(一) .jpg转.ppm

1.jpg2ppm.m

1 function status = jpg2ppm(infilename, outfilename)
2     I = imread(infilename, 'jpg');
3     imwrite(I, outfilename, 'ppm');
4     status = 0;
5     close;
6 end

2.命令

jpg2ppm('D:\greens.jpg', 'D:\greens.ppm')