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. Author manuscript; available in PMC: 2014 Jan 13.
Published in final edited form as: Inf inference. 2012 Dec;1(1):21. doi: 10.1093/imaiai/ias002

Fig. 10.

Fig. 10

Optimal alignment of two patches that overlap in four nodes. The alignment provides a measurement for the ratio of the two group elements in Euc(3). In this example we see that a reflection was required to properly align the patches.