Results 21 to 30 of about 138,376 (191)

A Review of UAV Photogrammetry Applications in Mining: Structural Mapping and Surface Monitoring [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Open-pit mining presents significant challenges due to steep topography, structural discontinuities, and rapidly changing surface conditions. UAV-based photogrammetry has emerged as an effective, cost-efficient solution for acquiring high-resolution ...
A. Sarvi, A. Abedini, F. Dadrass Javan
doaj   +3 more sources

IMPROVING UAV TELEMETRY POSITIONING FOR DIRECT PHOTOGRAMMETRY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
Abstract. A fundamental step of UAV photogrammetric processes is to collect Ground Control Points (GCPs) by means of geodetic-quality GNSS receivers or total stations, thus obtaining an absolutely oriented model with a centimetric accuracy. This procedure is usually time-consuming, expensive and potentially dangerous for operators who sometimes need to
Lorenzo Rossi   +4 more
openaire   +4 more sources

Tracking the Evolution of Riverbed Morphology on the Basis of UAV Photogrammetry [PDF]

open access: yesRemote Sensing, 2021
Unmanned aerial vehicle (UAV) photogrammetry has recently become a widespread technique to investigate and monitor the evolution of different types of natural processes. Fluvial geomorphology is one of such fields of application where UAV potentially assumes a key role, since it allows for overcoming the intrinsic limits of satellite and airborne-based
Gracchi T.   +5 more
openaire   +2 more sources

Evaluating tie points distribution, multiplicity and number on the accuracy of UAV photogrammetry blocks [PDF]

open access: yes, 2021
Image orientation is a fundamental task in photogrammetric applications and it is performed by extracting keypoints with hand-crafted or learning-based methods, generating tie points among the images and running a bundle adjustment procedure.
Mousavi, Vahid (R20493)   +2 more
core   +1 more source

UAV PHOTOGRAMMETRY: BLOCK TRIANGULATION COMPARISONS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Abstract. UAVs systems represent a flexible technology able to collect a big amount of high resolution information, both for metric and interpretation uses. In the frame of experimental tests carried out at Dept. ICA of Politecnico di Milano to validate vector-sensor systems and to assess metric accuracies of images acquired by UAVs, a block of photos ...
GINI, ROSSANA   +5 more
openaire   +5 more sources

A review of construction and functionality of photogrammetric unmanned aerial vehicles [PDF]

open access: yesBiuletyn Wojskowej Akademii Technicznej, 2016
A photogrammetry from an unmanned aerial vehicle (UAV) can be understood as a new measurement tool. It introduces low-cost alternatives for a traditional aerial photogrammetry, combining terrestrial, aerial, and satellite photogrammetry techniques.
Paweł Burdziakowski
doaj   +1 more source

THREE-DIMENSIONAL DIGITAL DOCUMENTATION OF HERITAGE SITES USING TERRESTRIAL LASER SCANNING AND UNMANNED AERIAL VEHICLE PHOTOGRAMMETRY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Three-dimensional digital documentation is an important technique for the maintenance and monitoring of cultural heritage sites. This study focuses on the three-dimensional digital documentation of the Magoksa Temple, Republic of Korea, using a ...
Y. H. Jo, J. Y. Kim
doaj   +1 more source

An Evaluation of Tsunami Hazard Modeling in Gunungkidul Coastal Area using UAV Photogrammetry and GIS. Case Study: Drini Coastal Area [PDF]

open access: yesE3S Web of Conferences, 2019
In recent years, Tourism activities in Gunungkidul Coastal Area rapidly increased. A large number of tourists visiting the coast considered as elements at risk that are exposed to tsunami hazards.
Aris Marfai Muh   +2 more
doaj   +1 more source

Pauline Cove -- Herschel Island -- UAV Photogrammetry -- Point Cloud -- 2019

open access: yes, 2021
This data set contains the 3D point cloud of Pauline Cove developed from UAV photogrammetry collected by the Capture2Preserv Team with the eBee Classic fixed wing UAV June 2019.
Robinson, Christina   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy