라이다 시스템은 신속하고 정확한 3차원 데이터 생성으로 인해 주목받는 시스템이 되었다. 지형공간정보 분야에서 원시 라이다 데이터로부터 3차원 건물모델과 같은 가치가 부가된 정보를 생산하는 기술은 오랫동안 관심 있는 연구주제로 다루어졌다. 본 논문은 라이다 데이터로부터 건물과 같은 인공지물의 주요 구성요소인 3차원 평면을 추출하는 내용을 담고 있다. 이 연구에서는 최적의 평면을 결정하기 위해 라이다 데이터에 포함된 이상치의 영향을 제거 또는 최소화 시키고, 두 평면이 만나는 지역에서 정확한 평면을 추출하는 하는 방법을 소개한다. 각 라이다 포인트에 대해서 plane fitting이 수행된 후, 결정된 세 개의 평면식 매개변수들은 의사색상값으로 변환되고, 이를 이용하여 평면을 추출하게 된다. 제안된 방법은 항공 라이다와 지상라이다 데이터 두 가지를 사용하여 그 유효성을 검증하였다.
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