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

Table 2

Classification results of the raw Raman spectrum data.

	BP	KNN	SVM	DT	Mean value
Classification accuracy	94.91%	96.06%	98.38%	96.99%	96.59%
Analysis time	50.18 s	0.31 s	24.87 s	1.93 s	19.32 s