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ÎÒ°ÑÄÚÈÝÌù³öÀ´°É
clc
close all
clear all

im=imread('C:\Documents and Settings\Administrator\×ÀÃæ\ͼÏñ´¦Àí×÷Òµ\ͼÏñ·Ö¸î×÷Òµ\homework3.bmp ');
subplot(2,2,1);
imshow(im);
F=fftshift(fft2(im));                             
A=abs(F);                    
A=(A-min(min(A)))/(max(max(A))-min(min(A)))*255;  
subplot(2,2,2)
imshow(A);
[m,n]=size(A);
% %È¥Ôë¹ý³Ì------------------------------------------------
for i=1:m
for j=129
F(j,i)=0;
end
end
% %--------------------------------------------------------------                                 
g_noisy=ifft2(ifftshift(F));                          
subplot(2,2,3);                                       
imshow(g_noisy);
2Â¥2014-02-18 14:06:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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