How to save imshowpair figure using imwrite?

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Kirsty Bennett
Kirsty Bennett 2020-1-31
评论： Md Shamim Hossain 2021-7-10
How would I save the following as a binary image? I want to use imwrite, or be able to save it as a variable in the workspace so that I can use bwskel.
registered = imregister(Moving,Fixed,'Similarity',optimizer,metric);
figure
A = imshowpair(registered,Fixed);

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回答（2 个）

Guillaume
Guillaume 2020-2-6
No, no, no, don't use print or saveas, this is possibly going to rescale your image, change the the colour depth, etc.
A simpler and reliable way is to use imfuse instead of imshowpair. imshowpair is for displaying a pair, imfuse is for creating an image of the pair. In any other way, they work exactly the same and have the same options
registered = imregister(Moving,Fixed,'Similarity',optimizer,metric);
fusedpair = imfused(registered, Fixed);
imwrite(fusedpair, 'somefile.png');
Vinai Datta Thatiparthi
Hey Kirsty,
Since imshowpair returns class matlab.graphics.primitive.Image, imwrite cannot be used directly. Instead, you can use the functions -
saveas(gcf, 'savedImage.jpeg', 'jpeg');
print(gcf, '-djpeg', 'savedImage.jpeg', '-r0'); % Print allows you to specify the resolution
% at which you want to save the image
Hope this helps!

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