STATISTIC

TOPO-SRTM

TOPO-ASTER

TOPO-PHOTO DEM

Mean

+4.7 (m)

−3.7 (m)

+0.87 (m)

Standard deviation

±6.349 (m)

±9.897 (m)

±1.358 (m)

Sample variance

40.314 (m2)

97.948 (m2)

1.844 (m2)

Minimum

−52 (m)

−58 (m)

−12 (m)

Maximum

49 (m)

54 (m)

13 (m)

Count

430239

430239

430239

RMSE

15.858

22.223

0.78