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2013-10-19 15:35:05 -0600	commented question	Python. Simple image Face Detection using OpenCV `face[0] + face[3]` at line 8 should be `face[1] + face[3]` . It also makes sense to iterate over tuples of `(x, y, w, h)` and set points to `(x, y)` and `(x + w, y + h)`.
2012-11-03 21:41:58 -0600	asked a question	Is there implementation of Procrustes analysis in C++/OpenCV? Just for reference: Procrustes analysis is a kind of shape alignment via scaling and rotation. E.g.: Here we have 2 shapes defined by 5 points each. We want to align one of them to another in such a way that distance between corresponding points is minimal. So I wonder if anybody knows about implementation of Procrustes analysis in C++, preferably in OpenCV 2.x of course.