35 lines
772 B
Mathematica
35 lines
772 B
Mathematica
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close all
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clear
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clc
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disp('====E4_7_4.m====');
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I=imread('liftingbody.png');
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subplot(2,3,1),imshow(I),xlabel('(a)ԭʼͼ<EFBFBD><EFBFBD>');
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J=imnoise(I,'salt & pepper',0.06);
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subplot(2,3,2),imshow(J),xlabel('(b)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>');
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K1=filter2(fspecial('average',3),J);
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subplot(2,3,3),imshow(uint8(K1)),xlabel('(c)3*3ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>˲<EFBFBD>');
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mask1=[0 1 0
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1 0 1
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0 1 0];
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mask1=(1/2)*mask1; % <EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
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K2=filter2(mask1,J);
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subplot(2,3,4),imshow(uint8(K2)),xlabel('(d)4<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>˲<EFBFBD>');
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mask2=[1 1 1
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1 0 1
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1 1 1];
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mask2=(1/16)*mask2; % <EFBFBD><EFBFBD><EFBFBD><EFBFBD>2
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K3=filter2(mask2,J);
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subplot(2,3,5),imshow(uint8(K3)),xlabel('(e)8<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>˲<EFBFBD>');
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mask3=[1 2 1
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2 4 2
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1 2 1];
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mask3=(1/16)*mask3;
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K4=filter2(mask3,J);
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subplot(2,3,6),imshow(uint8(K4)),xlabel('(f)<EFBFBD><EFBFBD>˹ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>˲<EFBFBD>');
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