본 논문에서는 실시간으로 사람의 움직임을 캡쳐한 영상으로부터 추출된 end-effector의 3차원 위치정보를 이용하여 중간관절의 위치를 생성하는 방법에 대해 기술한다. 이 시스템은 동작자의 좌, 우 전방에 위치한 동기화된 2대의 컬러 CCD 카메라로부터 입력된 스테레오 영상을 분석하여 신체의 중심이 되는 루트와 머리, 손, 발과 같은 end-effector의 특징점을 추출하여 3차원 위치정보를 생성한다. 생성된 루트와 end-effector의 위치정보를 역운동학 알고리듬에 적용하고, 인체 관절의 해부학적인 제약조건을 고려하여 중간관절의 위치를 정밀하게 계산한다. 중간관절의 위치를 생성하므로서 동작자의 모든 관절의 움직임 정보를 실시간으로 획득이 가능하며, 모션데이터로 생성할 수 있으므로 게임이나 애니메이션등 다양한 멀티미디어 분야에서 이용할 수 있다.
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