도시의 편안한 삶을 지탱하는 인프라의 노후화로 인해 안전사고 발생이 증가하고 있으며, 사고 예방을 위해 눈에 보이지 않는 지하에 설치된 시설물을 효율적으로 관리하기 위해 지하공간통합지도가 구축되고 있다.그러나 지하공간통합지도에 포함된 자료의 부정확성으로 인해 지하공간통합지도의 활용에 제약을 주고 있다.따라서 본 연구에서는 지하공간통합지도 활용성 제고를 위해 지하시설물의 한 종류인 하수관의 연결 상태를분석하는 방법을 제안한다. 제안된 방법에서는 연결이 단절된 하수관들을 찾아내는 방법을 사용하였으며, 기존의 방법들에서 탐지한 수평 위치 오류 뿐만 아니라 수직 위치 오류도 함께 검출함으로써 오류 검출 결과의신뢰성을 향상시켰다. 탐지 결과로 추출된 고립된 하수관은 누수의 가능성이 있으므로 신속한 현장 측량을통해 연결성 오류를 개선해야 할 필요성이 있다.
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