function?[absdiff?snr?psnr?imfid?mse]?=?compare（originalimg?restoredimg）
%Function?to?compare?the?original?image?with?the
%restored?image?using?some?predefined?methods
%Inputs:?originalimg?restoredimg
%Returns:?absdiff?snr?psnr?imfid?mse
%
%originalimg:??It?is?the?original?unblurred?image
%restoredimg:??It?is?the?restored?image
%absdiff:??????Average?Absolute?Difference
%snr:??????????Signal?to?Noise?Ratio?（dB）
%psnr:?????????Peak?Signal?to?Noise?Ratio?（dB）
%imfid:????????Image?Fidelity
%mse:??????????Mean?Square?Error
%
%Example:
%??????[absdiff?snr?psnr?imfid?mse]?=?compare（originalimg?restoredimg）;
%??????This?call?takes?original?image?and?the?restored?image?and?returns
%??????the?comparison?of?both?the?images?using?some?predefined?methods.

%Average?absolute?difference
%{
md?=?originalimg?-?restoredimg;
mdsize?=?size（md）;
summation?=?0;
for?i?=?1:mdsize（1）;
????for?j?=?1:mdsize（2）;
????????summation?=?summation?+?abs（md（ij））;
????end
end

absdiff?=?summation/（mdsize（1）*mdsize（2））;
%}


%Signal?to?Noise?Ratio?（SNR）
%{
md?=?（originalimg?-?restoredimg）.^2;
mdsize?=?size（md）;
summation?=?0;
sumsq=0;
for??i?=?1:mdsize（1）;
????for?j?=?1:mdsize（2）;
????????summation?=?summation?+?abs（md（ij））;
????????sumsq?=?sumsq?+?（originalimg（ij）^2）;
????end
end

snr?=?sumsq/summation;
snr?=?10?*?log10（snr）;
%}


%Peak?Signal?to?Noise?Ratio?（PSNR）
%{
md?=?（originalimg?-?restoredimg）.^2;
mdsize?=?size（md）;
summation?=?0;
sumsq=0;
for??i?=?1:mdsize（1）;
????for?j?=?1:mdsize（2）;
????????summation?=?summation?+?abs（md（ij））;
????end
end

psnr?=?size（originalimg?1）?*?size（originalimg?2）?*?max（max（originalimg.^2））/summation;
psnr?=?10?*?log10（psnr）;
%}


%Image?Fidelity

md?=?（originalimg?-?restoredimg）.^2;
mdsize?=?size（md）;
summation?=?0;
sumsq?=?0;
for??i?=?1:mdsize（1）;
????for?j?=?1:mdsize（2）;
????????summation?=?summation?+?abs（md（ij））;
????????sumsq?=?sumsq?+?（originalimg（ij）^2）;
????end
end

imfid?=?（1-summation）/sumsq;
%}


%Mean?Square?Error
%{
diff?=?originalimg?-?restoredimg;
diff1?=?diff.^2;
mse?=?mean（mean（diff1））;
%}

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

?????文件??????79232??2005-04-25?21:35??GUIRestore.fig

?????文件??????41623??2005-04-25?21:21??GUIRestore.m

?????文件??????43632??2004-09-18?18:42??GUIWelcome.fig

?????文件??????12276??2005-04-19?00:51??GUIWelcome.m

?????文件???????1582??2005-05-05?12:50??Hough（old）.m

?????文件????????828??2005-04-17?07:12??Hough.m

?????文件???????1365??2005-04-24?05:42??Inverse.m

?????文件???????2030??2005-05-05?15:00??Lucy.m

?????文件????????418??2005-04-24?06:46??my_closereq.m

?????文件???????1733??2005-05-05?14:49??Wiener.m

?????文件??????17189??2005-04-14?09:34??Help\about_us\akshata.jpg

?????文件??????49064??2005-04-12?15:48??Help\about_us\oursnap.jpg

?????文件??????14410??2005-04-14?09:39??Help\about_us\prateek.jpg

?????文件??????18662??2005-04-15?10:30??Help\about_us\wilson.jpg

?????文件???????5311??2005-04-14?09:33??Help\about_us\wilson2.jpg

?????文件???????1766??2005-12-17?01:48??Help\About_Us.html

?????文件???????4375??2005-04-12?13:34??Help\basics\degradation_model.jpg

?????文件???????7661??2005-04-12?14:15??Help\basics\degraded_dot_psf.jpg

?????文件????????860??2005-04-12?13:49??Help\basics\dot.jpg

?????文件???????1251??2005-04-12?13:59??Help\basics\dot_blur_angle.jpg

?????文件???????1251??2005-04-12?13:56??Help\basics\dot_blur_len.jpg

?????文件???????6363??2005-04-12?14:19??Help\basics\gaussian.jpg

?????文件???????6883??2005-04-12?14:14??Help\basics\original_dot_psf.jpg

?????文件????????746??2005-04-12?14:22??Help\basics\poisson.jpg

?????文件???????7759??2005-04-12?14:19??Help\basics\salt_&_pepper.jpg

?????文件???????7850??2005-04-12?14:19??Help\basics\speckle.jpg

?????文件???????6702??2005-12-17?01:48??Help\Basics.html

?????文件???????2455??2005-12-17?01:52??Help\Degrade.html

?????文件???????7915??2005-04-13?05:58??Help\getting_started\degrade_menu.jpg

?????文件???????7696??2005-04-13?05:59??Help\getting_started\edit_menu.jpg

............此處省略56個文件信息