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August 26, 2016 20:17
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matlab code log transformations
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| a=imread('Penguins.jpg') | |
| subplot(2,2,1) | |
| imshow(a); | |
| title 'Original Image' | |
| b=im2double(a) | |
| s=(1*log(1+b))*256; | |
| s1=uint8(s) | |
| subplot(2,2,2) | |
| imshow(s1); | |
| title 'c=1' | |
| sp=(2*log(1+b))*256; | |
| s2=uint8(sp) | |
| subplot(2,2,3) | |
| imshow(s2); | |
| title 'c=2' | |
| sp2=(3*log(1+b))*256; | |
| s3=uint8(sp2) | |
| subplot(2,2,4) | |
| imshow(s3); | |
| title 'c=3' |
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