Saving Matlab figure(Imagesc) to JPG without White borders

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Sunny
Sunny 2018-12-20
评论： Image Analyst 2021-3-16
Hi,
I am using imagesc to plot color maps in matlab. While saving as JPG and Figuire it gives white space around the image. Is it possible to save without white space?
imagesc(Subject_Assist_Quest);
set(gca,'YDir','normal')
axis off
Capture.jpg
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Elinor Kath
Elinor Kath 2021-3-16
When I try this I get: "Warning: Background transparency is not supported; using white instead. " So far I haven't found a workaround.
Image Analyst
Image Analyst 2021-3-16
You can ignore the warning. Is white not OK? Why are you having transparent pixels anyway?

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采纳的回答

Mark Sherstan
Mark Sherstan 2018-12-20
Look at this file

更多回答（1 个）

Image Analyst
Image Analyst 2018-12-20
Yes, use imwrite:
imwrite(Subject_Assist_Quest, filename);
Do not save image analysis images as JPG or you'll be sorry. Use PNG.

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