Image artifact using imagesc
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Consider the asymmetry in these two images. They should appear symmetric. Why don't they?
figure,colormap gray;
subplot(1,2,1)
imagesc(eye(2)*eps, [-1 1]);
title('imagesc(eye(2)*eps, [-1 1])'), axis image
subplot(1,2,2)
imagesc(-eye(2)*eps, [-1 1]);
title('imagesc(-eye(2)*eps, [-1 1])'), axis image
1 Comment
Matt J
on 24 Sep 2014
Edited: Matt J
on 24 Sep 2014
Both images appear perfectly symmetric to me, if symmetric means image=tranpose(image). However, I think this displays it better,
subplot(1,2,1)
imagesc(eye(2)*eps, [-1 1]*eps);
title('imagesc(eye(2)*eps, [-1 1])'), axis image
subplot(1,2,2)
imagesc(-eye(2)*eps, [-1 1]*eps);
title('imagesc(-eye(2)*eps, [-1 1])'), axis image
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