Results 1 to 10 of about 2,760,154 (306)

The Development of an UAV Borne Direct Georeferenced Photogrammetric Platform for Ground Control Point Free Applications [PDF]

Sensors, 2012
To facilitate applications such as environment detection or disaster monitoring, the development of rapid low cost systems for collecting near real time spatial information is very critical.
Chien-Hsun Chu, Meng-Lun Tsai, Kai-Wei Chiang   +2 more
doaj   +2 more sources

Research on ground pressure control modes in a subsea mine by physical model test and numerical simulation analysis [PDF]

Scientific Reports
To solve the problems of deep mining safety and ground pressure control in Sanshandao gold mine, a novel ground pressure control mode of deep mining in a subsea metal mine was studied by physical model test and numerical simulation analysis.
Weijun Liu, Zhixiang Liu, Jiadong Qiu, Tengfei Guo, Quanqi Zhu   +4 more
doaj   +2 more sources

Digital Terrain Models Generated with Low-Cost UAV Photogrammetry: Methodology and Accuracy

ISPRS International Journal of Geo-Information, 2021
Digital terrain model (DTM) generation is essential to recreating terrain morphology once the external elements are removed. Traditional survey methods are still used to collect accurate geographic data on the land surface.
Sergio Iván Jiménez-Jiménez, Waldo Ojeda-Bustamante, Mariana de Jesús Marcial-Pablo, Juan Enciso   +3 more
doaj   +1 more source

Object Recognition of a GCP Design in UAS Imagery Using Deep Learning and Image Processing—Proof of Concept Study

Drones, 2023
Image-based unmanned aircraft systems (UASs) are used in a variety of geodetic applications. Precise 3D terrain surface mapping requires ground control points (GCPs) for scaling and (indirect) georeferencing.
Denise Becker, Jörg Klonowski
doaj   +1 more source

A Novel Method for Fast Positioning of Non-Standardized Ground Control Points in Drone Images

Remote Sensing, 2021
Positioning the pixels of ground control points (GCPs) in drone images is an issue of great concern in the field of drone photogrammetry. The current mainstream automatic approaches are based on standardized markers, such as circular coded targets and ...
Zheng Zhu, Tengfei Bao, Yuhan Hu, Jian Gong   +3 more
doaj   +1 more source

ALTERNATIVE GCP SOURCES FOR ACCURATE HD MAP PRODUCTION [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
In Taiwan, map companies have to referenced the HD Maps guideline and standard which published in TAICS, Taiwan to make ensure the quality of data. The procedure costs lots of times and resources.
M.-L. Tsai, K.-W. Chiang, C.-Y. Hsieh, S. Lin, S. Srinara, Y.-T. Chiu   +5 more
doaj   +1 more source

Optimization of Ground Control Point (GCP) and Independent Control Point (ICP) on Orthorectification of High Resolution Satellite Imagery [PDF]

E3S Web of Conferences, 2019
In the rapidly evolving technology era, various survey methods have been widely used one of them by remote sensing using satellite. It is known that the satellite image recording process is covered by rides (satellites) moving over the Earth's surface at
Hariyanto Teguh, Kurniawan Akbar, Pribadi Cherie Bhekti, Amin Rizal Al   +3 more
doaj   +1 more source

Investigation of the accuracy of determining planned and altitude coordinates based on survey data by unmanned aerial vehicles

Geodesy and Cartography, 2023
Experimental studies of the accuracy of determining the plan and altitude coordinates were obtained from aerial photography materials and measured by a satellite receiver in real time.
Oleksandr Yanchuk, Serhii Trokhymets, Ruslan Yanchuk, Tetiana Bukhalska   +3 more
doaj   +1 more source

GCP-Based Automated Fine Alignment Method for Improving the Accuracy of Coordinate Information on UAV Point Cloud Data

Sensors, 2022
3D point cloud data (PCD) can accurately and efficiently capture the 3D geometric information of a target and exhibits significant potential for construction applications.
Yeongjun Choi, Suyeul Park, Seok Kim
doaj   +1 more source

Optimization of the number and position of ground control point configured for UAV survey [PDF]

Tehnika, 2021
This research aims to present the most optimal solution in terms of position and number of orientation points (GCP) for surveying using the UAV method in the area of the suburban settlement of Duboko in Umka.
Stojković Stefanija M., Obrenović Bojana N.   +1 more
doaj   +1 more source