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Investigating Applicability of Unmanned Aerial Vehicle to the Tidal Flat Zone
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  • Journal title : Korean Journal of Remote Sensing
  • Volume 31, Issue 5,  2015, pp.461-471
  • Publisher : The Korean Society of Remote Sensing
  • DOI : 10.7780/kjrs.2015.31.5.10
 Title & Authors
Investigating Applicability of Unmanned Aerial Vehicle to the Tidal Flat Zone
Kim, Bum-Jun; Lee, Yoon-Kyung; Choi, Jong-Kuk;
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In this study, we generated orthoimages and Digital Elevation Model (DEM) from Unmanned Aerial Vehicle (UAV) to confirm the accuracy of possibility of geospatial information system generation, then compared the DEM with the topographic height values measured from Real Time Kinematic-GPS (RTK-GPS). The DEMs were generated from aerial triangulation method using fixed-wing UAV and rotary-wing UAV, and DEM based on the waterline method also generated. For the accurate generation of mosaic images and DEM, the distorted images occurred by interior and exterior orientation were corrected using camera calibration. In addition, we set up the 30 Ground Control Points (GPCs) in order to correct of the UAVs position error. Therefore, the mosaic images and DEM were obtained with geometric error less than 30 cm. The height of generated DEMs by UAVs were compared with the levelled elevation by RTK-GPS. The value of R-square is closely 1. From this study, we could confirm that accurate DEM of the tidal flat can be generated using UAVs and these detailed spatial information about tidal flat will be widely used for tidal flat management.
UAV;mosaic image;DEM;interior orientation;exterior orientation;
 Cited by
드론 항공사진측량 기법을 활용한 갯벌지역 모델링 및 갯골정보 추출에 관한 연구,이재빈;허용;

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