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http://dx.doi.org/10.15683/kosdi.2019.09.30.427

Generation and Comparison of 3-Dimensional Geospatial Information using Unmanned Aerial Vehicle Photogrammetry Software  

Yang, Sung-Ryong (Department of Urban Space Design, Yeoju Institute of Technology)
Lee, Hak-Sool (Department of Urban Space Design, Yeoju Institute of Technology)
Publication Information
Journal of the Society of Disaster Information / v.15, no.3, 2019 , pp. 427-439 More about this Journal
Abstract
Purpose: We generated geospatial information of unmanned aerial vehicle based on various SW and analyzed the location accuracy of orthoimage and DSM and texture mapping of 3D mesh. Method: The same unmanned aerial image data is processed using two different SW, and spatial information is generated. Among the generated spatial information, the orthoimage and DSM were compared with the spatial information generation results of the unmanned aerial photogrammetry SW by performing quantitative analysis by calculating RMSE of horizontal position and vertical position error and performing qualitative analysis. Results: There were no significant differences in the positional accuracy of the orthoimage and DSM generated by each SW, and differences in texture mapping in 3D mesh. The creation of the 3D mesh indicated the impact of the Unmanned Aerial Photogrammetry SW. Conclusion: It is shown that there is no effect of SW on the creation of orthoimage and DSM for geospatial analysis based on unmanned aerial vehicle. However, when 3D visualization is performed, texture mapping results are different depending on SW.
Keywords
Geosptial Information; Positional Accuracy; Texture Mapping; Unmanned Aerial Photogrammetry; SW;
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Times Cited By KSCI : 1  (Citation Analysis)
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