Research Article

Quantification of the Spectral Variability of Ore-Bearing Granodiorite under Supervised and Semisupervised Conditions: An Upscaling Approach

Table 3

Results of SAM using an internal reference which is the average spectrum of each rock type either in laboratory (L3) or in the field (L3x).

  M1 referenceM2 referenceM3 reference

Level 0M10.0730.2700.212
M20.2740.0830.107
M30.2230.1250.115
Level 1M10.0620.2650.206
M20.2660.0540.091
M30.2160.1090.102
Level 2M10.0580.2640.204
M20.2640.0410.083
M30.2110.0960.089
Level 0xM10.0170.2890.228
M20.2900.0270.079
M30.2280.0780.022