An accuracy assessment of ASTER stereo images-derived digital elevation model by using rational polynomial coefficient model
Deilami, Kaveh, SEENI MOHD, MOHD IBRAHIM BIN, & ATASHPAREH, NIMA (2012) An accuracy assessment of ASTER stereo images-derived digital elevation model by using rational polynomial coefficient model. American Journal of Scientific Research, 55, pp. 128-135.
The along-track stereo images of Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) sensor with 15 m resolution were used to generate Digital Elevation Model (DEM) on an area with low and near Mean Sea Level (MSL) elevation in Johor, Malaysia. The absolute DEM was generated by using the Rational Polynomial Coefficient (RPC) model which was run on ENVI 4.8 software. In order to generate the absolute DEM, 60 Ground Control Pointes (GCPs) with almost vertical accuracy less than 10 meter extracted from topographic map of the study area. The assessment was carried out on uncorrected and corrected DEM by utilizing dozens of Independent Check Points (ICPs). Consequently, the uncorrected DEM showed the RMSEz of ± 26.43 meter which was decreased to the RMSEz of ± 16.49 meter for the corrected DEM after post-processing. Overall, the corrected DEM of ASTER stereo images met the expectations.
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|Item Type:||Journal Article|
|Keywords:||ASTER Satellite, Digital Elevation Model,, Rational Polynomial Coefficient Model|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > GEOMATIC ENGINEERING (090900) > Photogrammetry and Remote Sensing (090905)|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 EuroJournals|
|Deposited On:||27 Oct 2014 00:24|
|Last Modified:||28 Oct 2014 00:04|
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