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Investigation on Terrestrial Laser Scanner(TLS) Surveying and its Guideline

지상레이저스캐너(TLS) 측량과 가이드라인에 관한 연구

  • 김진우 ((주)지오앤 기업부설연구소) ;
  • 정운식 (공간정보품질관리원 품질관리본부) ;
  • 이영진 (경일대학교 건설방재공학과)
  • Received : 2021.11.08
  • Accepted : 2021.11.25
  • Published : 2021.12.31

Abstract

In this study, the operation method and accuracy of Terrestrial Laser Scanner(TLS) are reviewed and discussed by experimental measurements, and guidelines of TLS surveying operation are proposed. Ground control points and TLS station points were measured by TS and/or GPS, in TLS observation experiments, and wood targets were used which designed by this study team. RMSE accuracy of TLS scan shows that TLS surveying operation can be used in the topographic mapping of 1/250 scale and level of 1/100 BIM, the drone data also used in TLS data completeness. Additionally, as the results of the field experiment, the guidelines for TLS surveying operartions were proposed.

이 연구는 지상레이저스캐너(TLS)측량에 대한 관측실험과 분석을 통해 TLS 위치정확도와 운용방안을 분석하고 가이드라인을 제시한다. TLS 관측실험에서는 TS/GPS 기준점측량 기반으로 지상기준점과 TLS점을 설치하고 목제 목표판을 설계·제작하여 사용하였다. 실험결과에서는 TLS 스캔 데이터의 RMSE는 축척 1/250의 지형도 제작과 레벨 1/100의 BIM에 활용이 가능하며, 드론영상데이터와 상호보완이 가능하다. 그리고 실험과정과 결과의 분석을 통해 TLS측량에 대한 가이드라인을 제시하였다.

Keywords

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