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