Table 2.
Spectral curve fitting/training and accuracy verification samples.
| Data | Sample | Blue roofs | Others | Others contained in the image categories |
|---|---|---|---|---|
| WorldView-3 | Fitting/training | 840 | 6040 | Red, white, yellow and grey roofs and vegetation, shadow and waterbody |
| Validation | 5041 | 5030 | ||
| WorldView-2 | Fitting/training | 217 | 1501 | Red, white, cyan and grey roofs and vegetation, shadow and waterbody |
| Validation | 2541 | 2581 |