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. 2018 Jun 12;18(6):1909. doi: 10.3390/s18061909

Figure 6.

Figure 6

The 3D plot of classification results of the four feature fusion methods for Dataset I. (a) The conventional feature fusion method without feature selection; (b) the proposed feature fusion method without feature selection; (c) the proposed feature fusion method with feature selection; (Note: 1, No infection; 2, S. aureus; 3, E. coli; 4, P. aeruginosa.).