Table 2.
Spectral range | Content | Model evaluation | PCA |
MNF |
||
---|---|---|---|---|---|---|
Characteristic wavelength | PCA bands (1–10) | Characteristic wavelength | MNF bands (1–10) | |||
VIS-NIR | HR | R2 | 0.2865 | 0.3028 | 0.4554 | 0.1696 |
WC | Rc2 | 0.5979 | 0.6015 | 0.6183 | 0.3145 | |
Rv2 | 0.643 | 0.6555 | 0.4573 | 0.3151 | ||
RMSE | 0.012 | 0.014 | 0.018 | 0.013 | ||
MAPE | 16.6 | 14.9 | 18.5 | 18.7 | ||
RSC | Rc2 | 0.476 | 0.508 | 0.5225 | 0.1773 | |
Rv2 | 0.5325 | 0.4896 | 0.4749 | 0.3879 | ||
RMSE | 0.015 | 0.016 | 0.016 | 0.017 | ||
MAPE | 16.5 | 16.5 | 17.8 | 17.7 | ||
SWIR | HR | R2 | 0.4354 | 0.6184 | 0.5626 | 0.5151 |
WC | Rc2 | 0.4836 | 0.4206 | 0.5745 | 0.4776 | |
Rv2 | 0.404 | 0.3831 | 0.5823 | 0.2877 | ||
RMSE | 0.015 | 0.014 | 0.012 | 0.016 | ||
MAPE | 18.4 | 18 | 19.3 | 17.4 | ||
RSC | Rc2 | 0.4884 | 0.5225 | 0.5337 | 0.5003 | |
Rv2 | 0.5687 | 0.6198 | 0.3213 | 0.28 | ||
RMSE | 0.016 | 0.013 | 0.014 | 0.016 | ||
MAPE | 14.7 | 16.2 | 16.3 | 23.9 |