15ZC2300, Optical Convergence Technology for Regional Optical Components Enhancement,
Lee Byung-Tak
Abstract
본 논문은 광패턴 조사를 통한 능동형 수위 및 거리 측정 기법을 제안한다. 기존 압력식, 부자식, 초음파식, 레이더식 등의수위측정기법과 달리 최근에는 수위측정의 정확성과 모니터링 편리성을 강조한 영상기반 수위측정기법이 활용되고 있다. 본논문에서는 참조용 광패턴을 교각이나 제방 등에 동적으로 조사(照射)하고, 카메라 장치로부터 조사된 광패턴 영상을 실시간분석 처리하여 자동 수위측정 및 조사(照射) 대상물까지의 거리측정을 위한 새로운 방법을 제시한다. 기존 방법이 교각에 기(旣) 부착된 수위표나 마커 인식을 위해 수동적으로 영상데이터를 분석하는 것이었다면, 본 기법은 교각 설치 환경에 대응하여능동적으로 참조 광패턴을 생성하여 사용함으로써, 난시야(難視野) 환경 및 잡음 대응에 효과적이고, 포터블 형태로 주야간 이용이 가능하며, 별도 조명 설치를 요구하지 않는 등의 강건한 수위 측정을 지원한다. 본 실험은 실내 시험 환경을 구성하여 시뮬레이션 하였으며, 0.4-1.4m 거리 13.5-32.5cm 높이에서 수위 및 거리 측정을 수행하였다.
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