Help about "shadow" and "octant centroid" features in an image!

asked 2014-06-14 08:54:17 -0500

prince0fpersia gravatar image

updated 2014-06-14 08:57:56 -0500

berak gravatar image

Hi I've read this article but I can't understand the 2.1 and 2.2 parts about shadow features and octant centroid features. Could anyone help me please? I want to implement this article but I'm confused about this 2 parts!

Thanks a lot in advance!

http://arxiv.org/pdf/1003.1894.pdf[^]

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