23 lines
544 B
Matlab
23 lines
544 B
Matlab
close all
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clear
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clc
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disp('====E4_7_5.m====');
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I=imread('eight.tif');
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subplot(2,3,1),imshow(I),xlabel('(a)ÔʼͼÏñ');
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J=imnoise(I,'salt & pepper',0.4); % Óï¾ä1
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subplot(2,3,2),imshow(J),xlabel('(b)ÔëÉùͼÏñ');
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K1=wiener2(J,[3,3]);
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subplot(2,3,3),imshow(uint8(K1)),xlabel('(c)3*3WienerÂ˲¨');
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K2=wiener2(J,[5,5]);
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subplot(2,3,4),imshow(uint8(K2)),xlabel('(d)5*5WienerÂ˲¨');
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K3=wiener2(J,[7,7]);
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subplot(2,3,5),imshow(uint8(K3)),xlabel('(e)7*7WienerÂ˲¨');
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K4=wiener2(J,[9,9]);
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subplot(2,3,6),imshow(uint8(K4)),xlabel('(f)9*9WienerÂ˲¨');
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