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http://dx.doi.org/10.22640/lxsiri.2017.47.1.179

Comparative Accuracy of Terrestrial LiDAR and Unmanned Aerial Vehicles for 3D Modeling of Cultural Properties  

Lee, Ho-Jin (Department of Civil Engineering, Chonbuk National University)
Cho, Gi-Sung (Department of Civil Engineering, Chonbuk National University)
Publication Information
Journal of Cadastre & Land InformatiX / v.47, no.1, 2017 , pp. 179-190 More about this Journal
Abstract
A terrestrial LiDAR survey was conducted and unmanned aerial vehicle(UAV) images were taken for target cultural properties to present the utilization measures of terrestrial LiDAR and UAV in three-dimensional modeling of cultural properties for the identification of the status and restoration of cultural properties. Then the accuracy of the point clouds generated through this process was compared, an overlap analysis of the 3D model was conducted, and a convergence model was created. According to the results, the modeling with terrestrial LiDAR is more appropriate for precise survey because 3D modeling for the detection of displacement and deformation of cultural properties requires an accuracy of mm units. And UAV model has limitation as the impossibility of detailed expression of parts with sharp unevenness such as cracks of bricks. However, it is found that the UAV model has a wide range of modeling and has the advantage of modeling of real cultural properties. Finally, the convergence model created in this study using the advantages of the terrestrial LiDAR model and the UAV model could be efficiently utilized for the basic data development of cultural properties.
Keywords
Terrestrial LiDAR; Unmanned Aerial Vehicle(UAV); 3D Modeling; Cultural Properties;
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Times Cited By KSCI : 1  (Citation Analysis)
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