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. Author manuscript; available in PMC: 2014 Aug 20.
Published in final edited form as: Med Image Comput Comput Assist Interv. 2013;7723:33–44. doi: 10.1007/978-3-642-36678-9_4

Fig. 1.

Fig. 1

Surface points extraction: the first three modules are the three steps for extracting surface points; the last image is the distance matrix generated from the surface points.