Optimizing the Global Digital Elevation Models (GDEMs) and accuracy of derived DEMs from GPS points for Iraq's mountainous areas
Sign Up to like & getrecommendations! Published in 2020 at "Geodesy and Geodynamics"
DOI: 10.1016/j.geog.2020.06.004
Abstract: Abstract Optimizing the combined horizontal and vertical accuracy of the well-known Global Digital Elevation Models (GDEMs) of various resolutions for each country and region especially in Iraq's mountainous areas is still questionable. All the three… read more here.
Keywords: digital elevation; elevation models; accuracy; mountainous areas ... See more keywords
Generation of accurate digital elevation models from UAV acquired low percentage overlapping images
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Remote Sensing"
DOI: 10.1080/01431161.2017.1285085
Abstract: ABSTRACT Digital elevation models (DEMs) are very useful in solving various environmental problems such as planning and construction, hydrological and meteorological services, mining and oil industry, risk assessment, and hazard predictions, which makes their accurate… read more here.
Keywords: accurate digital; overlapping images; digital elevation; elevation models ... See more keywords
A view-tree method to compute viewsheds from digital elevation models
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Geographical Information Science"
DOI: 10.1080/13658816.2022.2094385
Abstract: Abstract Viewshed computation is a central component for visibility analysis. The majority of existing viewshed computation methods use regular square grid digital elevation models (DEMs) and have limitations in considering spatial relationships among observers, targets… read more here.
Keywords: elevation models; tree method; method; view tree ... See more keywords
Uncertainty Analysis of Digital Elevation Models by Spatial Inference From Stable Terrain
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2022.3188922
Abstract: The monitoring of Earth’s and planetary surface elevations at larger and finer scales is rapidly progressing through the increasing availability and resolution of digital elevation models (DEMs). Surface elevation observations are being used across an… read more here.
Keywords: elevation models; stable terrain; elevation; digital elevation ... See more keywords
Multimodal Registration of Optical Images and Digital Elevation Models Using Terrain Features
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3194892
Abstract: Registration of multimodal images, such as optical data and digital elevation models (DEMs), is a challenging task due to significant nonlinear differences between these images. To address the problem, this letter proposes a new robust… read more here.
Keywords: elevation models; terrain features; registration; digital elevation ... See more keywords
ALTIMETRY ASSESSMENT OF ASTER GDEM v2 AND SRTM v3 DIGITAL ELEVATION MODELS: A CASE STUDY IN URBAN AREA OF BELO HORIZONTE, MG, BRAZIL
Sign Up to like & getrecommendations! Published in 2017 at "Boletim De Ciencias Geodesicas"
DOI: 10.1590/s1982-21702017000400043
Abstract: This work is an altimetry evaluation study involving Digital Elevation Models ASTER GDEM version 2 and SRTM version 3. Both models are readily available free of charge, however as they are built from different remote… read more here.
Keywords: digital elevation; altimetry; elevation models; aster gdem ... See more keywords
Algorithm of adaptive correction of structural landforms on global digital elevation models
Sign Up to like & getrecommendations! Published in 2018 at "Geodesy and Cartography"
DOI: 10.22389/0016-7126-2018-937-7-57-64
Abstract: Due to various factors, such as the interpolation step or automatic correlators specifics, global digital elevation models (DEM) often have an effect of understating the heights, which leads to inaccurate display of structural landforms e.g.… read more here.
Keywords: structural landforms; digital elevation; elevation models; algorithm adaptive ... See more keywords