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. 2018 Dec 10;18(12):4349. doi: 10.3390/s18124349

Figure 4.

Figure 4

Results of Algorithm Fitting with Different Layers of Hidden Neurons for Virtual Forces. Left graph presents the mean of error resulted by each number of hidden layers and right graph is for correlation coefficient. Each colored circle means each virtual force (Blue-FET, Orange-FER, Grey-FEL, Yellow-FEH, Purple-FEC, Green-FELT ).