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