DEM

Mean Difference

Minimum Difference

Maximum Difference

Standard Deviation

RMSD

± 2 m∙%

± 4 m∙%

ASTER

1.47

−47.5

46.8

6.8

6.9

23.2

44.5

SRTM90

1.62

−33.8

45.4

3.1

3.5

49.9

77.7

SRTM30

1.64

−16.9

28.7

3.0

3.5

49.9

77.8

CDED

0.58

−33.1

38.8

3.8

3.8

48.1

76.8

NB-DEM

0.66

−24.1

30.7

2.8

2.8

66.9

87.8

NBDEM-Fused

1

−18.1

27.1

2.4

2.6

68.3

88.9

NBDEM-Optimized

−0.13

−18.1

21.8

2.3

2.3

70.1

92.9