Matlab采用不同算子进行高通滤波

lihahaxiaohaha

clear all;

d0=50;

I=imread('mod.bmp');

max_i=max(max(max(I)));

min_i=min(min(min(I)));

i_normal_one=double(255.*((I-min_i)/(max_i-min_i)));

imshow(I,'initialmagnification','fit');title('original');

H=[0 -1 0;-1 5 -1;0 -1 0];

J=imfilter(I,H);

figure,imshow(J);

figure,imhist(J);

K=imadjust(J,[0.0 0.2],[]);

figure,imhist(K);

figure,imshow(K);