Study on Characteristic Raman Shift Screening Method Based on MPA for Raman Spectrum of Mine Water Inrush Source

Table 3

Classification accuracy (%) of the different pretreatment methods.

	BP	KNN	SVM	DT	Mean value
DC	93.29	94.91	99.44	97.40	96.26
MSC	97.45	96.80	99.44	98.84	98.13
SNV	97.92	96.80	99.44	98.84	98.25
FD	97.22	96.80	99.44	98.61	98.02
MC	97.45	97.45	99.44	98.61	98.24
Mean value	96.67	96.55	99.44	98.46	—