Crack Prediction Based on Wavelet Correlation Analysis Least Squares Support Vector Machine for Stone Cultural Relics

Table 2

Summary of the predicted results for the five models.

Performance indicators	Models
	Real value	WCA-BPNN-CP	WCA-SVM-CP	WCA-RVM-CP	LSSVM-CP	WCA-LSSVM-CP
RMSE	—	0.0575	0.0451	0.0137	0.0159	0.0102
MAPE (%)	—	8.81	6.85	2.13	2.39	1.72
MAE (mm)	—	0.0449	0.0349	0.0092	0.0099	0.0076
	—	0.7697	0.8583	0.9870	0.9823	0.9927
CV (%)	21.29	20.66%	19.53%	20.51%	20.02%	21.72%