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[Octave-bug-tracker] [bug #31241] imrotate bad behaviour with "Fourier"
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From: |
John Swensen |
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Subject: |
[Octave-bug-tracker] [bug #31241] imrotate bad behaviour with "Fourier" parameter |
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Date: |
Tue, 05 Oct 2010 01:44:10 +0000 |
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User-agent: |
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_4; en-us) AppleWebKit/533.18.1 (KHTML, like Gecko) Version/5.0.2 Safari/533.18.5 |
Follow-up Comment #1, bug #31241 (project octave):
Can you also post the image used? I have done a few simple tests like:
zz = zeros(100,100);
zz(40:60,40:60) = 1;
zz2 = imrotate(zz, 45, "Fourier");
imshow(zz2,[])
and everything looks fine. I would like to take a look at the image you are
loading in to see if it is possibly a mix of the Fourier interpolation with
JPG artifacts. Does this occur if the image was loaded from a lossless
format?
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