Journal of Cadastre & Land InformatiX (지적과 국토정보)

LX Spatial Information Research Institute (한국국토정보공사 공간정보연구원)
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UAV and LiDAR SLAM Combination Effectiveness Review for Indoor and Outdoor Reverse Engineering of Multi-Story Building

복층 건물 실내외 역설계를 위한 UAV 및 LiDAR SLAM 조합 효용성 검토

  • Kang, Joon-Oh (Department of Urban Convergence Engineering, Incheon National University) ;
  • Lee, Yong-Chang (Department of Urban Engineering, Incheon National University)
  • 강준오 (인천대학교 도시융.복합학과) ;
  • 이용창 (인천대학교 도시공학과)
  • Received : 2020.09.28
  • Accepted : 2020.11.25
  • Published : 2020.12.30
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Abstract

TRecently, smart cities that solve various problems in cities based on IoT technology are in the spotlight. In particular, cases of BIM application for smooth management of construction and maintenance are increasing, and spatial information is converted into 3D data through convergence technology and used for safety diagnosis. The purpose of this study is to create and combine point clouds of a multi-story building by using a ground laser scanner and a handheld LiDAR SLAM among UAV and LiDAR equipment, supplementing the Occluded area and disadvantages of each technology, examine the effectiveness of indoor and outdoor reverse design by observing shape reproduction and accuracy. As a result of the review, it was confirmed that the coordinate accuracy of the data was improved by creating and combining the indoor and outdoor point clouds of the multi-story building using three technologies. In particular, by supplementing the shortcomings of each technology, the completeness of the shape reproduction of the building was improved, the Occluded area and boundary were clearly distinguished, and the effectiveness of reverse engineering was verified.

최근 IoT 기술을 기반으로 도시의 여러 문제점을 정보화하여 해결하는 스마트 시티가 각광받고 있다. 특히, 시공 및 유지보수의 원활한 관리를 위한 BIM 적용 사례가 증가하며 융합기술을 통해 공간정보를 3D 데이터화하여 안전진단에 활용하고 있다. 본 연구의 목적은 UAV 및 LiDAR 장비 중 지상 레이저 스캐너와 핸드헬드 LiDAR SLAM을 활용하여 복층 건물의 포인트 클라우드를 생성 및 조합, 각 기술의 폐색영역 및 단점을 보완하고 형상재현 및 정확도를 관측하여 실내외 역설계의 효용성을 검토하는 것이다. 검토결과, 3가지 기술을 사용하여 복층 건물의 실내외 포인트 클라우드를 생성·조합하여 데이터의 좌표 정확도가 향상됨을 확인하였다. 특히, 각 기술의 단점을 보완, 건물의 형상재현 완성도를 높이고 폐색영역 및 경계면 구분이 명확하게 나타나며 역설계의 효용성을 입증하였다.

Keywords

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