컬러 구조광을 이용한 깊이 정보 획득 시스템에서 구조광의 패턴의 색상 정보를 정확하게 추출하는 것이 중요하다. 본 논문에서는 시변화 가시구조광 시스템을 위한 색상 패턴을 해석하는 방법에 대해서 제안한다. 제안하는 방법은 시변화 가시구조광의 패턴이 투사된 영상으로부터 투사된 색상 정보를 추출하고, 추출된 색상 정보로부터 색상 패턴의 ID를 추출한다. 추출된 정보는 물체에 대한 깊이 정보로 계산될 수 있다. 패턴 ID를 빠르고 정확하게 추출하기 위해 최초의 원 패턴 정보를 기반으로 하여 Look-up 테이블을 구성하고, 이 테이블 정보를 이용하여 초기 패턴 ID 정보를 추출한다. 이후 추출된 패턴 ID에 대해서 신뢰도를 바탕으로 비어있는 정보를 채워준다. 본 논문의 실험에서는 제안하는 방법이 기존의 방법에 비해 정확하면서도 빠르게 색상 패턴 정보를 찾을 수 있음을 보여준다.
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