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. 2017 May 12;17(5):1113. doi: 10.3390/s17051113

Figure 12.

Figure 12

Non-rigid alignment results when using different methods in correspondence pairing computation: (a) Result by using CED and PTP; (b) Result by using NS and PTP; (c) Result by using CED and PTTP; (d) Result by using NS and PTTP. * CED: closest Euclidean distance method in correspondence point searching; NS: normal shooting method in correspondence point searching; PTP: point-to-point method in correspondence distance calculation; PTTP: point-to-tangent plane method in correspondence distance calculation.