How to save a figures "color"??

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Nisreen Sulayman
Nisreen Sulayman 2015-6-25
评论： Image Analyst 2015-6-25
I have opened 180 figure during some operation.
After closing all the figures, I opened a new one and tried to save it.... But it didn't save it in a correct way.
attached image the a sample.
How to restore defult setting for MatLab??

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回答（1 个）

David
David 2015-6-25
From an old similar question (see http://www.mathworks.com/matlabcentral/newsreader/view_thread/83267), getframe is perhaps the most simple way to save a colorbased image by e.g.:
imID=imread('image.tif');
imagesc(imID);
axis image;
colormap('jet');
set(gca,'CLim',[0 255]); %Important!
im=getframe;
image(im.cdata);
imwrite(im.cdata,'nice_image.tif');
Note that you use the command (see "%Important" above)
set(gca,'CLim',[lower upper]);
to set your color limits (lower and upper respectively).
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Nisreen Sulayman
Nisreen Sulayman 2015-6-25
image in the comment is the image to be saved ... I used imwrite to save the image ... but the result was as in the question
Image Analyst
Image Analyst 2015-6-25
Looks like it was somehow quantized before you saved it. Just don't do that.

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