Table 5: Characteristics of the training area polygons and number of validation GPS sites per class.
Code | Number of training polygons | Number of pixels | Area (km2) | Percent of image (%) | Number of validation GPS sites |
Ap | 4 | 40 | 36.0 | 0.000221 | 11 |
Af | 8 | 80 | 72.0 | 0.000442 | 9 |
At | 6 | 60 | 54.0 | 0.000332 | 9 |
O | 10 | 111 | 99.9 | 0.000614 | 20 |
Mc | 5 | 40 | 36.0 | 0.000221 | 14 |
McV | 12 | 120 | 108.0 | 0.000663 | 33 |
Ms | 15 | 140 | 126.0 | 0.000774 | 33 |
MsV | 6 | 60 | 54.0 | 0.000332 | 15 |
Ms/R | 21 | 200 | 180.0 | 0.001105 | 63 |
SG | 19 | 182 | 163.8 | 0.001006 | 35 |
SGV | 14 | 140 | 126.0 | 0.000774 | 29 |
S/R | 4 | 40 | 36.0 | 0.000221 | 9 |
T | 9 | 83 | 74.7 | 0.000459 | 31 |
bT | 12 | 120 | 108.0 | 0.000663 | 39 |
gT | 4 | 40 | 36.0 | 0.000221 | 13 |
gsT | 4 | 40 | 36.0 | 0.000221 | 25 |
sT | 11 | 100 | 90.0 | 0.000553 | 27 |
wT | 13 | 120 | 108.0 | 0.000663 | 36 |
TV | 10 | 100 | 90.0 | 0.000553 | 28 |
T/R | 14 | 140 | 126.0 | 0.000774 | 63 |
B | 8 | 80 | 72.0 | 0.000442 | 18 |
R | 19 | 180 | 162.0 | 0.000995 | 88 |