DEM | Mean Difference | Min. Difference | Max. Difference | Max-Min Range | Standard Deviation | RMSD | ± 2 m∙% | ± 4 m∙% |
ASTER | 4.9 | −84.0 | 67.0 | 151.0 | 7.1 | 8.6 | 20.3 | 38.9 |
SRTM90 | 2.5 | −36.6 | 57.2 | 93.8 | 4.5 | 5.1 | 36.1 | 63.5 |
SRTM30 | 2.4 | −16.3 | 27.2 | 43.5 | 2.9 | 3.8 | 43.9 | 71.1 |
CDED | 1.1 | −29.4 | 27.7 | 57.1 | 5.7 | 5.7 | 30.7 | 55.4 |
NB-DEM | 1.0 | −25.1 | 35.9 | 61.0 | 2.9 | 2.9 | 63.0 | 94.5 |
NBDEM-Fused | 1.3 | −20.2 | 36.0 | 56.2 | 3.1 | 3.4 | 55.5 | 80.5 |
NBDEM-Optimized | 0.6 | −18.1 | 29.6 | 47.7 | 2.8 | 2.9 | 60.5 | 95.4 |