?? aa.m
字號:
clear;
I2=imread('tire.tif');
imshow(I2)
I=double(I2);
[m,n]=size(I2);
for x=2:m-1
for y=2:n-1
I1(2*x-3,2*y-3)=(1/3)*(I(x,y)+I(x-1,y)+I(x,y-1));
I1(2*x-2,2*y-3)=(1/3)*(I(x,y)+I(x+1,y)+I(x,y-1));
I1(2*x-3,2*y-2)=(1/3)*(I(x,y)+I(x,y+1)+I(x-1,y));
I1(2*x-2,2*y-2)=(1/3)*(I(x,y)+I(x+1,y)+I(x,y+1));
end
end
I3=uint8(I1);
figure,imshow(I3)
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