Table 10: Mapping accuracies (in %) obtained by comparing the GPS validation sites to the classified image produced by applying the Random Forests classifier to Landsat-8, DEM and slope data, alone or with RADARSAT-2 dual-polarized intensity images (HH and HV).
Class code | User’s accuracy | Producer’s accuracy |
Landsat-8 | Landsat-8 & RADARSAT-2 | Landsat-8 | Landsat-8 & Radarsat-2 |
Ap | 45.5 | 63.6 | 83.3 | 87.5 |
Af | 100.0 | 100.0 | 100.0 | 100.0 |
At | 55.6 | 55.6 | 62.5 | 83.3 |
O | 45.0 | 61.1 | 34.6 | 64.7 |
Mc | 50.0 | 78.6 | 63.6 | 73.3 |
McV | 90.9 | 93.5 | 78.9 | 90.6 |
Ms | 78.8 | 78.1 | 81.3 | 75.8 |
MsV | 86.7 | 93.3 | 81.3 | 87.5 |
Ms/R | 74.6 | 88.7 | 81.0 | 75.8 |
SG | 71.4 | 81.8 | 42.4 | 51.4 |
SGV | 75.9 | 94.7 | 33.3 | 47.4 |
S/R | 22.2 | 11.1 | 40.0 | 20.0 |
T | 83.9 | 82.6 | 72.2 | 73.1 |
bT | 61.5 | 76.7 | 75.0 | 82.1 |
gT | 69.2 | 72.7 | 81.8 | 72.7 |
gsT | 60.0 | 90.9 | 93.8 | 100.0 |
sT | 81.5 | 89.5 | 88.0 | 89.5 |
wT | 86.1 | 91.4 | 86.1 | 97.0 |
TV | 78.6 | 95.7 | 84.6 | 91.7 |
T/R | 36.5 | 53.3 | 65.7 | 85.7 |
B | 100.0 | 100.0 | 90.0 | 100.0 |
R | 61.4 | 60.6 | 70.1 | 76.8 |
Average | 68.9 | 77.9 | 72.3 | 78.5 |
Overall | 68.5 | 78.2 | 68.5 | 78.2 |