31 lines
800 B
Mathematica
31 lines
800 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_3.m====');
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I=imread('PIC4.7.6a.bmp');
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subplot(2,3,1),imshow(I),xlabel('(a)原始图像'),ylabel('无噪声滤波过程');
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K1=filter2(fspecial('average',3),I);
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subplot(2,3,2),imshow(uint8(K1)),xlabel('(b)3*3模板均值滤波');
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mask=[0 0 0
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0 1 1
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0 1 1];
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mask=(1/4)*mask;
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K2=filter2(mask,I);
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subplot(2,3,3),imshow(uint8(K2)),xlabel('(c)选择模板均值滤波');
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J=imnoise(I,'salt & pepper',0.4); % 语句1
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subplot(2,3,4),imshow(J),xlabel('(a)噪声图像'),ylabel('有噪声滤波过程');
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K3=filter2(fspecial('average',3),J);
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subplot(2,3,5),imshow(uint8(K3)),xlabel('(b)3*3模板均值滤波');
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mask=[0 0 0
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0 1 1
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0 1 1];
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mask=(1/4)*mask;
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K4=filter2(mask,J);
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subplot(2,3,6),imshow(uint8(K4)),xlabel('(c)选择模板均值滤波');
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