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Image Moments [closed]

asked 2015-02-09 03:04:54 -0600

jamesnzt gravatar image

I searched for shape features i.e. Image moments in opencv documentation. I searched for zernike moments. But there is only Hu moments is available in OpenCV documentation. Is there zernike moments available in opencv?

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Closed for the following reason the question is answered, right answer was accepted by jamesnzt
close date 2015-02-13 04:13:34.933417

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no such thing in opencv.

(also, are you sure, that shape analysis is the right application for zernike moments ?)

berak gravatar imageberak ( 2015-02-09 03:28:02 -0600 )edit

i am not sure @berak I found it used in one journal as shape feature. Then i searched for OpenCV function for it. But i cant find moment function other than moments( ) and HuMoments( ).

jamesnzt gravatar imagejamesnzt ( 2015-02-09 03:44:50 -0600 )edit
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ah, good. i only knew them used for texture features, like convolving an img with zernike polynomials.

berak gravatar imageberak ( 2015-02-09 05:56:37 -0600 )edit

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answered 2015-02-09 05:42:48 -0600

Guanta gravatar image

As berak said, there are no Zernike moments implemented yet. They are indeed very good shape descriptors, but can also be used as texture feature. Would be nice to have them in OpenCV ...

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Asked: 2015-02-09 03:04:54 -0600

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Last updated: Feb 09 '15