Surface Investigation of Photo-Degraded Wood by Colour Monitoring, Infrared Spectroscopy, and Hyperspectral Imaging

Table 8

Sensitivity and specificity for the PLS-DA model built for the different wood samples, based on 240 wavelengths.

		Class 1 (H0)	Class 2 (H216)	Class 3 (H504)
Sensitivity	Calibration	0.971	0.896	0.969
	Cross Validation	0.967	0.868	0.966
Specificity	Calibration	0.993	0.965	0.960
	Cross Validation	0.993	0.962	0.960