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Evaluation of Vertical Accuracy of the WorldDEM™ Using the Runway Method [PDF]
Accuracy assessment of a global digital elevation model (DEM) is an important and challenging task primarily because of the difficulties and costs associated with securing a reliable and representative reference dataset. In this article, we report on the
Kazimierz Becek +2 more
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A combined vertical accuracy compensation method for automatic drilling and riveting of aircraft panels with variable curvatures [PDF]
Purpose – Aircraft structures are mainly connected by riveting joints, whose quality and mechanical performance are directly determined by vertical accuracy of riveting holes.
Junshan Hu +4 more
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Digital Elevation Models (DEMs) contain topographic relief data that are vital for many geoscience applications. This study relies on the vertical accuracy of publicly available latest high-resolution (30 m) global DEMs over Cameroon. These models are (1)
Loudi Yap +5 more
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ASSESSMENT OF 3D POSITIONAL ACCURACY OF GEODETIC OBSERVATIONS FROM SINGLE CORS [PDF]
Geodetic observations for both vertical and horizontal control networks cannot be compromised for any reason in accuracy and precision in the field of geomatics. Due to the error-prone nature of survey measurements, standards are established to allow for
Oladosu S. O., Ehigiator-Irughe R.
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The Open-Source Digital Elevation Model (DEM) is fundamental data of the geoscientific community. However, the variation of its accuracy with land cover type and topography has not been thoroughly studied.
Menghua Li +3 more
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Digital elevation models (DEMs) are widely used across a range of fields. Several open-source global DEMs have been released, including the advanced land observing satellite world 3D 30 m DEM (AW3D30DEM), advanced spaceborne thermal emission and ...
Xiangping Liu +3 more
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A good understanding of the quality of digital elevation model (DEM) is a perquisite for various applications. This study investigates the accuracy of three most recently released 1-arcsec global DEMs (GDEMs, Copernicus, NASA and AW3D30) in five selected
Hui Li +4 more
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Many freely available Digital Elevation Models (DEM) have increasingly been used worldwide due to the difficulty in acquiring accurate elevation data in some regions, emphasizing the need to investigate their accuracy and the factors that may influence ...
Zuleide Ferreira +2 more
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Evaluation of the Efficiency of SfM-Photogrammetry in Obtaining DEM from Google Earth Images [PDF]
In this study, we seek to evaluate the efficiency of SfM Photogrammetry in obtaining Digital Elevation Model (DEM) from the free Google Earth browser, by simulating the aerial photography of the terrain displayed by this browser, calculating the ...
Ahmed A Elashiry, Omar Al Khalil
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This paper describes in detail the applicability of the developed ground-penetrating radar (GPR) model with a kinematic GPR and self-tracking (robotic) terrestrial positioning system (TPS) surveying setup (GPR-TPS model) for the acquisition, processing ...
Nikolaj Šarlah +3 more
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