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(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-09-08?10:33??FSRCNN_test\
?????文件?????????314??2015-08-18?10:31??FSRCNN_test\compute_psnr.m
?????文件?????????836??2016-09-06?16:11??FSRCNN_test\deconv.m
?????文件????????2026??2016-09-06?17:51??FSRCNN_test\demo_FSRCNN.m
?????文件????????1990??2016-09-06?16:15??FSRCNN_test\FSRCNN.m
?????文件?????????279??2014-03-27?16:55??FSRCNN_test\modcrop.m
?????目錄???????????0??2016-09-06?17:07??FSRCNN_test\model\
?????目錄???????????0??2016-09-06?17:19??FSRCNN_test\model\FSRCNN\
?????目錄???????????0??2016-09-06?17:16??FSRCNN_test\model\FSRCNN-s\
?????文件???????19290??2015-11-03?15:19??FSRCNN_test\model\FSRCNN-s\x2.mat
?????文件???????19222??2015-10-23?16:25??FSRCNN_test\model\FSRCNN-s\x3.mat
?????文件???????19208??2015-11-03?15:19??FSRCNN_test\model\FSRCNN-s\x4.mat
?????文件???????59462??2015-10-31?11:54??FSRCNN_test\model\FSRCNN\x2.mat
?????文件???????59400??2015-10-28?15:41??FSRCNN_test\model\FSRCNN\x3.mat
?????文件???????59338??2015-10-31?11:54??FSRCNN_test\model\FSRCNN\x4.mat
?????文件????????1707??2016-09-06?17:47??FSRCNN_test\Readme.txt
?????文件?????????116??2016-09-06?16:20??FSRCNN_test\shave.m
?????文件?????????119??2015-08-31?18:06??FSRCNN_test\shave_x3.m
?????目錄???????????0??2016-09-06?17:20??FSRCNN_test\test\
?????目錄???????????0??2016-09-06?17:09??FSRCNN_test\test\Set14\
?????文件??????720054??2015-08-18?10:31??FSRCNN_test\test\Set14\baboon.bmp
?????文件?????1244214??2015-08-18?10:31??FSRCNN_test\test\Set14\barbara.bmp
?????文件??????263222??2015-08-18?10:31??FSRCNN_test\test\Set14\bridge.bmp
?????文件??????304182??2015-08-18?10:31??FSRCNN_test\test\Set14\coastguard.bmp
?????文件??????271526??2015-08-18?10:31??FSRCNN_test\test\Set14\comic.bmp
?????文件??????228584??2015-08-18?10:31??FSRCNN_test\test\Set14\face.bmp
?????文件??????543054??2015-08-18?10:31??FSRCNN_test\test\Set14\flowers.bmp
?????文件??????304182??2015-08-18?10:31??FSRCNN_test\test\Set14\foreman.bmp
?????文件??????786486??2015-08-18?10:31??FSRCNN_test\test\Set14\lenna.bmp
?????文件??????786486??2015-08-18?10:31??FSRCNN_test\test\Set14\man.bmp
?????文件?????1179702??2015-08-18?10:31??FSRCNN_test\test\Set14\monarch.bmp
............此處省略9個(gè)文件信息