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i=imread('f:\\face1.tif'); j=histeq(i);imshow(j); figure,subplot(1,2,1),imhist(i); subplot(1,2,2),imhist(j)
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i=imread('f:\\fae1.tif'); j=imnoise(i,'guassian',0,0.02); subplot(1,2,1),imshow(j);
j1=wiener2(j);subplot(1,2,2),imshow(j1);
h=fspecial('gaussian',2,0.05);j2=imfilter(i,h);figure,subplot(1,2,1),imshow(i)
subplot(1,2,2),imshow(j2)
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