Table 1.

Corresponding effective wavelengths selected by second-order derivative spectra.

Hyperspectral Imaging System	Temperature (°C)	No.	Effective Wavelengths (nm)
Vis-NIR	4	15	506, 518, 538, 566, 636, 643, 697, 704, 707, 711, 714, 719, 739, 753, 765
	20	12	506, 518, 538, 636, 643, 698, 709, 714, 720, 739, 753, 765
NIR	4	14	988, 1032, 1132, 1164, 1204, 1321, 1348, 1375, 1406, 1429, 1460, 1473, 1511, 1632
	20	13	995, 1032, 1136, 1164, 1200, 1311, 1348, 1375, 1406, 1429, 1460, 1473, 1632