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http://dx.doi.org/10.5467/JKESS.2018.39.1.46

A Study of Three Dimensional DSM Development using Self-Developed Drone  

Lee, Byung-Gul (Department of Civil Engineering, Jeju National University)
Publication Information
Journal of the Korean earth science society / v.39, no.1, 2018 , pp. 46-52 More about this Journal
Abstract
This paper is to study the development of three dimensional Digital Surface Model (DSM) using photogrammetry technique based on self-developed Drone (Unmanned Aerial Vehicle (UAV)). To develop DSM, we selected a study area in Jeju island and took 24 pictures from the drone. The three dimensional coordinates of the photos were made by Differential Global Positioning System (DGPS) surveying with 10 ground control points (GCP). From the calculated three dimensional coordinates, we produced orthographic image and DSM. The accuracy of DSM was calculated using three GCPs. The average accuracy of X and Y was from 8.8 to 14.7 cm, and the accuracy of Z was 0.8 to 12.4 cm. The accuracy was less than the reference accuracy of 1/1,000 digital map provided by National Geographic Information Institute (NGII). From the results, we found that the self-developed drone and the photogrammetry technique are a useful tool to make DSM and digital map of Jeju.
Keywords
Digital Surface Model (DSM); Photogrammetry; Drone; Ground Control Point (GCP); Differential Global Positioning System (DGPS); Digital Map;
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