Table 1: Discrimination accuracy of PC-SVM and PC-LDA models under different wavelength reduction rates (WRRs).

Number of wavelengthsWRRsPC-SVM (%)PCA-LDA (%)

2847 (full)1100.0100.0
14242100.0100.0
7124100.0100.0
3568100.0100.0
17816100.098.7
8932100.0100.0
446498.7100.0
22128100.0100.0
1125697.5100.0
651297.598.7