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http://dx.doi.org/10.5762/KAIS.2018.19.3.155

Utilization Evaluation of Digital Surface Model by UAV for Reconnaissance Survey of Construction Project  

Park, Joon-Kyu (Department of Civil Engineering, Seoil University)
Um, Dae-Yong (Department of Civil Engineering, Korea National University of Transportation)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.19, no.3, 2018 , pp. 155-160 More about this Journal
Abstract
The unmanned aerial vehicle (UAV) is used in various fields, such as land surveying, facility management, and disaster monitoring and restoration because it has low operational costs, fast data acquisition, and can generate a digital surface model (DSM). Recently, the UAV has been applied to process management in construction projects. Construction projects are widely distributed not only in urban areas but also in mountainous areas and rural areas where people are rarely in traffic or in vehicles. Projects range from a few hundred meters to several kilometers long. In order to perform a reconnaissance survey, a surveying method using a global positioning system (GPS) or a total station has mainly been used. However, these methods have a disadvantage in that a lot of time is required for data acquisition. This study's purpose is to evaluate the usability of a UAV DSM for surveying a construction area. Data was acquired using the UAV and a three-dimensional (3D) laser scanner, and the DSM of the construction site was created through data processing. The UAV DSM showed accuracy to within 30 cm based on the 3D laser scanner data, and a process comparison between the two work methods was able to present the usability of the UAV DSM in the field of construction surveying. Future utilization of the UAV DSM is expected to greatly improve the efficiency of work in construction projects.
Keywords
3D Laser Scanner; Construction Project; Digital Surface Model; Reconnaissance Survey; UAV;
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Times Cited By KSCI : 7  (Citation Analysis)
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