Table 2.

Results and comparison of the best BP_AdaBoost models based on different techniques.

Technical Models	Identification Results
	Latent Vectors	Training Set		Validation Set
		Ratio	%	Ratio	%
NIRS	6	96/105	91.43	30/35	85.71
Electronic nose	7	101/105	96.19	32/35	91.43
Fusion	4	104/105	99.05	33/35	94.29