Examining the impact of Ground Control point quantity on the geometric accuracy of UAV photogrammetric products formed using Structure-from-Motion approach [PDF]
Tehnika, 2023 The positional and vertical accuracy of UAV aerial photogrammetry products generated using the Structure from Motion (SfM) approach depends on various factors, such as flight plan parameters, camera quality, camera calibration, the SfM algorithm used ...
Nikolić Ratko R. +2 more
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Influence of the shape and size of the ground targets on the accuracy of photogrammetric processing
RUDN Journal of Ecology and Life Safety, 2020 The materials obtained from the unmanned aerial vehicle (UAV) are used to solve many problems, including large-scale mapping and monitoring of linear objects, as well as the ecological situation and monitoring of emergency situations.
Amr Elsheshtawy +3 more
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MULTI-GNSS PPP: An Alternative Positioning Technique for Establishing Ground Control Points
International Journal of Environment and Geoinformatics, 2020 Traditionally, ground control points (GCPs) are utilized to determine absolute image orientations indirectly in aerial triangulation. For a long time, differential and relative GNSS (Global Navigation Satellite System) positioning techniques have been ...
Berkay Bahadur, Metin Nohutçu
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Factors Influencing the Accuracy of Shallow Snow Depth Measured Using UAV-Based Photogrammetry
Remote Sensing, 2021 Factors influencing the accuracy of UAV-photogrammetry-based snow depth distribution maps were investigated. First, UAV-based surveys were performed on the 0.04 km2 snow-covered study site in South Korea for 37 times over the period of 13 days under 16 ...
Sangku Lee +3 more
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, 2023 Recent publications have described the ability of citizen scientists to conduct unoccupied aerial system (UAS) flights to collect data for coastal management.
Lucas F. Rabins (14819161) +2 more
core +1 more source
Reconstructing 3D coastal cliffs from airborne oblique photographs without ground control points [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014 Coastal cliff collapse hazard assessment requires measuring cliff face topography at regular intervals. Terrestrial laser scanner techniques have proven useful so far but are expensive to use either through purchasing the equipment or through survey ...
T. J. B. Dewez
doaj +1 more source
, 2023 Recent publications have described the ability of citizen scientists to conduct unoccupied aerial system (UAS) flights to collect data for coastal management.
Lucas F. Rabins (14819161) +2 more
core +1 more source
GEOMETRIC CALIBRATION OF ZIYUAN-3 THREE-LINE CAMERAS COMBINING GROUND CONTROL POINTS AND LINES [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 Due to the large biases between the laboratory-calibrated values of the orientation parameters and their in-orbit true values, the initial direct georeferencing accuracy of the Ziyuan-3 (ZY-3) three-line camera (TLC) images can only reach the kilometre ...
J. Cao +4 more
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BEYOND GROUND CONTROL POINTS: COST-EFFECTIVE 3D BUILDING RECONSTRUCTION THROUGH GNSS-INTEGRATED PHOTOGRAMMETRY [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesThe process of 3D building modeling serves a multitude of practical and strategic purposes across diverse industries. Building a 3D model involves employing a range of techniques and technologies.
E. Oniga +5 more
doaj +1 more source
Weakly Supervised Deep Depth Prediction Leveraging Ground Control Points for Guidance
IEEE Access, 2019 Despite the tremendous progress made in learning-based depth prediction, most methods rely heavily on large amounts of dense ground-truth depth data for training.
Liang Du +3 more
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