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http://dx.doi.org/10.5762/KAIS.2019.20.3.587

3D Model Generation and Accuracy Evaluation using Unmanned Aerial Oblique Image  

Park, Joon-Kyu (Department of Civil Engineering, Seoil University)
Jung, Kap-Yong (Department of Civil Engineering, Chungnam National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.3, 2019 , pp. 587-593 More about this Journal
Abstract
The field of geospatial information is rapidly changing due to the development of sensor and data processing technology that can acquire location information. And demand is increasing in various related industries and social activities. The construction and utilization of three dimensional geospatial information that is easy to understand and easy to understand can be an essential element to improve the quality and reliability of related services. In recent years, 3D laser scanners are widely used as 3D geospatial information construction technology. However, 3D laser scanners may cause shadow areas where data acquisition is not possible when objects are large in size or complex in shape. In this study, 3D model of an object has been created by acquiring oblique images using an unmanned aerial vehicle and processing the data. The study area was selected, oblique images were acquired using an unmanned aerial vehicle, and point cloud type 3D model with 0.02 m spacing was created through data processing. The accuracy of the 3D model was 0.19m and the average was 0.11m. In the future, if accuracy is evaluated according to shooting and data processing methods, and 3D model construction and accuracy evaluation and analysis according to camera types are performed, the accuracy of the 3D model will be improved. In the point cloud type 3D model, Cross section generation, drawing of objects, and so on, it is possible to improve work efficiency of spatial information service and related work.
Keywords
3D Model; Accuracy Analysis; Geospatial Information; Oblique Image; UAV;
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Times Cited By KSCI : 9  (Citation Analysis)
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