Save SSIM index output
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Angela
le 15 Sep 2018
Commenté : Image Analyst
le 15 Sep 2018
I have 2 images (A,B) that i want to compare using the SSIM Index. I am using the command
[ssimval, ssimmap] = ssim(A,B);
imshow(ssimmap,[])
When i plot ssimmap i can see the different structures. When i save the ssimmap and then read the image:
imwrite(ssimmap,'test.jp2','Mode','lossless')
NewImage=imread('test.jp2')
When i plot 'NewImage' it looks all flat, it is different than 'ssimmap'. Is there something different about 'ssimmap' that it has to be saved in a special way? I want to be able to save ssimmap as an output file.
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KALYAN ACHARJYA
le 15 Sep 2018
%Try
[ssimval, ssimmap]=ssim(A,B);
imshow(ssimmap,[]);
saveas(gcf,'test.jpg');
NewImage=imread('test.jpg');
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Image Analyst
le 15 Sep 2018
saveas() saves the whole figure. Use imwrite to save just the image
imwrite(ssimmap, 'ssimmap.png');
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