Generation and Assessment of Accuracy of Digital Elevation Model by Using Pcigeomatica (10.3)

Kaveh Deilami

Journal of Asian Scientific Research, 2012, vol. 2, issue 8, 445-450

Abstract: This study aims to assess the accuracy of Digital Elevation Model (DEM) which is generated by using Toutin’s model. Thus, Toutin’s model was run by using OrthoEngineSE of PCI Geomatics 10.3.Thealong-track stereoimages of Advanced Spaceborne Thermal Emission and Reflection radiometer (ASTER) sensor with 15 m resolution were used to produce DEM on an area with low and near Mean Sea Level (MSL) elevation in Johor Malaysia. Despite the satisfactory pre-processing results the visual assessment of the DEM generated from Toutin’s model showed that the DEM contained many outliers and incorrect values. The failure of Toutin’s model may mostly be due to the inaccuracy and insufficiency of ASTER ephemeris data for low terrains as well as huge water body in the stereo images.

Keywords: Digital elevation model; PCI geomatica; Assessment; Accuracy (search for similar items in EconPapers)
Date: 2012
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