function?total_Benner=Benner_algorithm（imalevel）
[image_widthimage_height]=size（ima）;
total_Benner?=ones（1level）;
sstd=0;
for?i=1:level???
????imb=ima;
????
??????????????ff5=0?;?
????????????for?w=2:（image_width-2）????????????????
?????????????????for?h=2:（image_height-1）??????????????????????
????????????????????h1=uint32（ima（wh））;?
????????????????????h2=uint32（ima（w+2h））;?????????????????????
????????????????????ff5=uint32（（h1-h2）^2）+?uint32（ff5）;
???????????????????
?????????????????end??????????????????
????????????end????
????????????total_Benner（i）=ff5;
if?sstdsstd=?total_Benner（i）;
end
[pqr]=size（imb）;
[XY]=meshgrid（1:p1:q）;
PSF?=?fspecial（‘gaussian‘5*i5*i）;
????ima?=?imfilter（imbPSF‘conv‘）;
????%figureimshow（ima）;
end
?total_Benner=?total_Benner/sstd;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-05-24?17:17??image?sharpness\
?????文件?????????829??2013-05-22?22:35??image?sharpness\Benner_algorithm.m
?????文件?????????520??2013-05-22?22:19??image?sharpness\entropy.m
?????文件???????40642??2011-12-06?10:57??image?sharpness\lena.jpg
?????文件?????????778??2013-05-22?22:39??image?sharpness\main.m
?????文件?????????689??2013-05-22?22:19??image?sharpness\space_frequency.m
?????文件?????????636??2013-05-22?22:22??image?sharpness\standard_dev.m