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http://dx.doi.org/10.5762/KAIS.2018.19.11.744

Characteristic and Accuracy Analysis of Digital Elevation Data for 3D Spatial Modeling  

Lee, Keun-Wang (Department of the Multimedia Science, Chungwoon University)
Park, Joon-Kyu (Department of Civil Engineering, Seoil University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.19, no.11, 2018 , pp. 744-749 More about this Journal
Abstract
Informatization and visualization technology for real space is a key technology for construction of geospatial information. Three-dimensional (3D) modeling is a method of constructing geospatial information from data measured by various methods. The 3D laser scanner has been mainly used as a method for acquiring digital elevation data. On the other hand, the unmanned aerial vehicle (UAV), which has been attracting attention as a promising technology of the fourth industrial revolution, has been evaluated as a technology for obtaining fast geospatial information, and various studies are being carried out. However, there is a lack of evaluation on the quantitative work efficiency and data accuracy of the data construction technology for 3D geospatial modeling. In this study, various analyses were carried out on the characteristics, work processes, and accuracy of point cloud data acquired by a 3D laser scanner and an unmanned aerial vehicle. The 3D laser scanner and UAV were used to generate digital elevation data of the study area, and the characteristics were analyzed. Through evaluation of the accuracy, it was confirmed that digital elevation data from a 3D laser scanner and UAV show accuracy within a 10 cm maximum, and it is suggested that it can be used for spatial information construction. In the future, collecting 3D elevation data from a 3D laser scanner and UAV is expected to be utilized as an efficient geospatial information-construction method.
Keywords
3D Laser Scanner; Accuracy Analysis; Digital Elevation Data; Unmanned Aerial Vehicle; Spatial Modeling;
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Times Cited By KSCI : 5  (Citation Analysis)
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