Table 1.

Classification results of original features.

Reduced features	Accuracy	Sensitivity	Specificity	MCC	Feature number
OE	0.9214	0.9011	0.9351	0.8198	160
PCA	0.9162	0.8977	0.9253	0.8083	152
NLF	0.9136	0.9077	0.9223	0.8029	144
Combination fusion	0.9147	0.8943	0.9238	0.8048	456
Decision fusion	0.9344	0.9245	0.9449	0.8501