| Spectral Indexes | Overall Accuracy (%) | |||||
| α = 1 | α = 0.8 | α = 0.6 | α = 0.4 | α = 0.2 | α = 0 | |
| NDVI-moy | 97.2 | 96.3 | 95.4 | 94.1 | 93.2 | 92.5 |
| NDVI-b8 | 95.5 | 94.8 | 93.7 | 92.2 | 91.6 | 90.5 |
| SAVI-moy | 94.1 | 93.2 | 92.5 | 91.5 | 90.6 | 89.3 |
| SAVI-b8 | 93.4 | 92.1 | 91.4 | 90.2 | 89.1 | 88.8 |
| NDMI-moy | 90.2 | 89.3 | 88.3 | 88.3 | 88.3 | 88.3 |
| NDMI-b8 | 89.9 | 88.8 | 87.1 | 87.1 | 87.1 | 87.1 |
| NDWI-moy | 80.3 | 79.1 | 77.3 | 77.1 | 76.7 | 75.3 |
| NDWI-b8 | 80.1 | 79.2 | 78.1 | 76.8 | 76.1 | 75.0 |
| NBR-moy | 75.8 | 73.8 | 73.3 | 72.8 | 71.7 | 70.9 |
| NBR-b8 | 75.3 | 73.1 | 72.3 | 71.6 | 70.6 | 69.5 |
| BAI-moy | 70.9 | 70.1 | 69.9 | 69.1 | 68.8 | 67.6 |
| BAI-b8 | 69.5 | 68.9 | 68.5 | 67.5 | 66.8 | 66.4 |
| MNDWI | 78.4 | 77.2 | 77.3 | 77.2 | 76.4 | 75.3 |
| TCW | 79.2 | 79.1 | 78.3 | 77.1 | 76.8 | 75.2 |
| TCG | 81.3 | 80.2 | 80.1 | 79.8 | 78.3 | 77.6 |
| TCB | 62.9 | 61.8 | 61.3 | 60.9 | 60.6 | 59.8 |