Optimising UAV topographic surveys processed with structure-from-motion: Ground control quality, quantity and bundle adjustment

MR James, S Robson, S d'Oleire-Oltmanns… - Geomorphology, 2017 - Elsevier
Abstract Structure-from-motion (SfM) algorithms greatly facilitate the production of detailed
topographic models from photographs collected using unmanned aerial vehicles (UAVs) …

3‐D uncertainty‐based topographic change detection with structure‐from‐motion photogrammetry: precision maps for ground control and directly georeferenced …

MR James, S Robson, MW Smith - Earth Surface Processes …, 2017 - Wiley Online Library
Abstract Structure‐from‐motion (SfM) photogrammetry is revolutionising the collection of
detailed topographic data, but insight into geomorphological processes is currently restricted …

Quantification of global Digital Elevation Model (DEM)–A case study of the newly released NASADEM for a river basin in Central Vietnam

BQ Nguyen, ND Vo, MH Le, QD Nguyen… - Journal of Hydrology …, 2023 - Elsevier
Abstract Study region Lai Giang River basin, Central Vietnam Study focus The Digital
Elevation Models (DEM) is essential in hydrological modeling and water cycle …

Incorporating the effect of DEM resolution and accuracy for improved flood inundation mapping

S Saksena, V Merwade - Journal of Hydrology, 2015 - Elsevier
Topography plays a major role in determining the accuracy of flood inundation areas.
However, many areas in the United States and around the world do not have access to high …

Evaluation of TanDEM-X DEMs on selected Brazilian sites: Comparison with SRTM, ASTER GDEM and ALOS AW3D30

CH Grohmann - Remote Sensing of Environment, 2018 - Elsevier
A first assessment of the TanDEM-X DEMs over Brazilian territory is presented through a
comparison with SRTM, ASTER GDEM and ALOS AW3D30 DEMs in seven study areas with …

Impacts of DEM resolution, source, and resampling technique on SWAT-simulated streamflow

ML Tan, DL Ficklin, B Dixon, Z Yusop, V Chaplot - Applied Geography, 2015 - Elsevier
The sensitivity of streamflow simulated with the Soil and Water Assessment Tool (SWAT)
model to Digital Elevation Model (DEM) resolution, DEM source and DEM resampling …

External validation of the ASTER GDEM2, GMTED2010 and CGIAR-CSI-SRTM v4. 1 free access digital elevation models (DEMs) in Tunisia and Algeria

D Athmania, H Achour - Remote Sensing, 2014 - mdpi.com
Digital Elevation Models (DEMs) including Advanced Spaceborne Thermal Emission and
Reflection Radiometer-Global Digital Elevation Model (ASTER GDEM), Shuttle Radar …

Interpolation routines assessment in ALS-derived digital elevation models for forestry applications

AL Montealegre, MT Lamelas, J De La Riva - Remote sensing, 2015 - mdpi.com
Airborne Laser Scanning (ALS) is capable of estimating a variety of forest parameters using
different metrics extracted from the normalized heights of the point cloud using a Digital …

Delineation and quantification of wetland depressions in the Prairie Pothole Region of North Dakota

Q Wu, CR Lane - Wetlands, 2016 - Springer
Abstract The Prairie Pothole Region of North America is characterized by numerous, small,
wetland depressions that perform important ecological and hydrological functions. Recent …

Accuracy validation and comparison of global digital elevation models over Croatia

M Varga, T Bašić - International journal of remote sensing, 2015 - Taylor & Francis
Accuracy assessment of digital elevation models (DEMs) plays an important role in facing
their use in geoscience applications. This study investigates the vertical accuracy of most …