matlab练习程序（最大均值滤波）

clear; clc; width=3; xwidth=(width-1)/2; imgn=imread('1.bmp'); imshow(imgn,[]); imgn=double(imgn); [m n]=size(imgn); imgn1=imgn; z=zeros(4,width); tem=1; for i=1+xwidth:1:m-xwidth for j=1+xwidth:1:n-x

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