Matlab Code for Median Filter

a=imread(‘cameraman.tif’);

b=imnoise(a,’salt & pepper’);

c3=medfilt2(b,[3 3]);

c4= medfilt2(b,[5 5]);

subplot(2,2,1);imshow(a);

title(‘original image’);

subplot(2,2,2);imshow(b);

title(‘salt and pepper noise image’);

subplot(2,,3);imshow(uint8(c3));

title(‘3×3 median filter);

subplot(3,2,1);

imshow(uint8(c4));

title(‘5x5median filter);

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