function?psnr=compute_psnr（im1im2）
if?size（im1?3）?==?3
????im1?=?rgb2ycbcr（im1）;
????im1?=?im1（:?:?1）;
end

if?size（im2?3）?==?3
????im2?=?rgb2ycbcr（im2）;
????im2?=?im2（:?:?1）;
end

imdff?=?double（im1）?-?double（im2）;
imdff?=?imdff（:）;

rmse?=?sqrt（mean（imdff.^2））;
psnr?=?20*log10（255/rmse）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????314??2014-09-02?11:20??SRCNN\compute_psnr.m

?????文件???????2198??2018-09-19?16:26??SRCNN\demo_SR.m

?????文件????????279??2014-03-27?16:55??SRCNN\modcrop.m

?????文件??????38625??2014-09-02?11:07??SRCNN\model\9-1-5（91?images）\x2.mat

?????文件??????38483??2014-09-01?19:34??SRCNN\model\9-1-5（91?images）\x3.mat

?????文件??????38489??2014-09-01?19:34??SRCNN\model\9-1-5（91?images）\x4.mat

?????文件??????38350??2015-01-12?19:07??SRCNN\model\9-1-5（ImageNet）\x3.mat

?????文件?????115087??2015-01-13?11:31??SRCNN\model\9-3-5（ImageNet）\x3.mat

?????文件?????268933??2015-01-12?19:04??SRCNN\model\9-5-5（ImageNet）\x2.mat

?????文件?????267591??2015-01-12?19:06??SRCNN\model\9-5-5（ImageNet）\x3.mat

?????文件?????269001??2015-01-12?19:05??SRCNN\model\9-5-5（ImageNet）\x4.mat

?????文件???????1975??2015-01-13?10:07??SRCNN\Readme.txt

?????文件?????720054??2013-10-06?16:07??SRCNN\Set14\baboon.bmp

?????文件????1244214??2013-10-06?16:07??SRCNN\Set14\barbara.bmp

?????文件?????263222??2013-10-06?16:07??SRCNN\Set14\bridge.bmp

?????文件?????304182??2013-10-06?16:07??SRCNN\Set14\coastguard.bmp

?????文件?????271526??2013-10-06?16:07??SRCNN\Set14\comic.bmp

?????文件?????228584??2013-10-06?16:07??SRCNN\Set14\face.bmp

?????文件?????543054??2013-10-06?16:07??SRCNN\Set14\flowers.bmp

?????文件?????304182??2013-10-06?16:07??SRCNN\Set14\foreman.bmp

?????文件?????786486??2013-10-06?16:07??SRCNN\Set14\lenna.bmp

?????文件?????786486??2013-10-06?16:07??SRCNN\Set14\man.bmp

?????文件????1179702??2013-10-06?16:07??SRCNN\Set14\monarch.bmp

?????文件?????786486??2013-10-06?16:07??SRCNN\Set14\pepper.bmp

?????文件????1041782??2013-10-06?16:07??SRCNN\Set14\ppt3.bmp

?????文件?????688214??2013-10-06?16:07??SRCNN\Set14\zebra.bmp

?????文件?????786486??2013-10-06?16:07??SRCNN\Set5\baby_GT.bmp

?????文件?????248886??2013-10-06?16:07??SRCNN\Set5\bird_GT.bmp

?????文件?????196730??2013-10-06?16:07??SRCNN\Set5\butterfly_GT.bmp

?????文件?????235254??2013-10-06?16:07??SRCNN\Set5\head_GT.bmp

............此處省略15個文件信息