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. Author manuscript; available in PMC: 2013 Mar 5.
Published in final edited form as: Proc Int Conf Image Anal Process. 2009;5716:692–700. doi: 10.1007/978-3-642-04146-4_74

Fig. 3.

Fig. 3

(a) Example of plagiocephaly. (b) Example of brachycephaly ((a) and (b) are from www.cranialtech.com). (c) Surface normal vectors of points that lie on a flat surface and will create a peak in the 2D angle histogram. (d) Surface normal vectors of points that lie on a more rounded surface and will be spread out in the histogram bins. (e) Azimuth and elevation angles of a 3D surface normal vector.