목차

제1장. 서 론 ················································································································ 1
1.1 연구의 배경 및 목적 ······················································································· 1
1.2 연구의 범위 및 절차 ······················································································· 3
제2장. 예비적 고찰 ······································································································ 4
2.1 포인트 클라우드 데이터의 개요 및 특성 ··················································· 4
2.1.1 스캐너의 종류 및 특성 ·········································································· 4
2.1.2 스캔 방식의 종류 및 특성 ···································································· 6
2.1.3 포인트 클라우드 데이터 전처리 과정 ················································ 8
2.2 산업 현황 ········································································································· 12
2.3 건축 부재 인식 알고리즘 관련 연구 ························································· 17
2.3.1 RGB-D 데이터 기반 ·········································································· 17
2.3.2 3차원 포인트 클라우드 데이터 기반 ··············································· 20
2.4 소결 ··················································································································· 26
제3장. 복셀화 기반 건축 부재 인식 알고리즘 ··················································· 27
3.1 알고리즘 개요 ································································································· 27
3.2 벽면 부재 인식 ······························································································· 29
3.2.1 복셀화 및 아웃라이어 제거 ······························································· 29
3.2.2 천장 복셀 탐색 ····················································································· 30
3.2.3 벽면 복셀 탐색 ····················································································· 30
3.2.4 벽면 복셀 분류 ····················································································· 30
3.3 벽면 포인트 보간 및 개구부 탐색 ····························································· 32
3.3.1 객체 간섭 판별 및 포인트 보간 ······················································· 32
3.3.2 개구부 탐색 ··························································································· 33
제4장. 연구 결과 및 분석 ······················································································· 34
4.1 연구개요 ··········································································································· 34
4.1.1 데이터셋 ································································································· 34
4.1.2 정밀도/재현율 검사 ·············································································· 36
4.1.3 사례연구 데이터 ··················································································· 37
4.2 사례연구 결과 ································································································· 39
4.2.1 폐색영역 제거 ······················································································· 39
4.2.2 정밀도/재현율 검사 결과 ···································································· 40
4.3 결과 분석 ········································································································· 42
제5장. 결론 ················································································································· 44
참고 문헌 ····················································································································· 46