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[Octave-bug-tracker] [bug #44100] image package: regionprops could easil

From: H. G.
Subject: [Octave-bug-tracker] [bug #44100] image package: regionprops could easily deliver more properties
Date: Fri, 27 Feb 2015 08:30:51 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:36.0) Gecko/20100101 Firefox/36.0

Follow-up Comment #9, bug #44100 (project octave):

The "old" orientation option (current version in the repository) was not
Matlab compatible, because the output values were not between -90 and 90
degrees. Furthermore the old version probably gave slightly different return
values, because "orientation" means the orientation of the "ellipse with the
same centralised second moments", and this ellipse wasn't calculated properly
before. So now all 4 properties that correspond to this special ellipse, are
calculated consistently and the results are Matlab compatible.


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