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. Author manuscript; available in PMC: 2008 Apr 30.
Published in final edited form as: Comput Aided Des. 2007 May;39(5):352–360. doi: 10.1016/j.cad.2007.02.006

Fig. 10.

Fig. 10

Stage 1 (top) and 2 (bottom) in generating a skeleton. In the second stage, d2 = 7 is used as input while several values of d1 are tested. Note that in the second stage, curve thinning preserves the surfaces (shown in the insert) computed by the first stage.