Test Areas
The test areas were chosen based on the availability of high accuracy reference data:
- Garlock Fault test area – LiDAR
- Asmara, Eritrea – D-GPS ground control points surveyed for gravimetric studies
Complete Results
The underlying tables list all the accuracy studies conducted by PhotoSat. For detailed information on any of the studies, please see the respective report.
Mapping Accuracy (RMSE) from 30cm to 50cm
| Location | Satellite, # of GCP, RMSE |
|---|---|
| Garlock Fault | Kompsat-3A, 1 GCP, RMSE 50cm |
Mapping Accuracy (RMSE) < 2m
| Location | Satellite, # of GCP, RMSE |
|---|---|
| Eritrea | ALOS PRISM, 3 GCP, RMSE 1.2m |
| Eritrea | SPOT 7, 1 GCP, RMSE 1.4m |
Mapping Accuracy (RMSE) < 3m
| Location | Satellite, # of GCP, RMSE |
|---|---|
| Eritrea | ALOS PRISM, 1 GCP, RMSE 2.4m |
Earlier accuracy studies: