Satellite mapping accuracy studies

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:

2008 to 2015 Accuracy Studies

 

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