ETRI-Knowledge Sharing Plaform

ENGLISH

성과물

특허 검색
구분 출원국
출원년도 ~ 키워드

상세정보

등록 구 투영기법을 이용한 인체 관절의 3차원 위치 추정 방법

구 투영기법을 이용한 인체 관절의 3차원 위치 추정 방법
이미지 확대
발명자
박창준, 김홍석, 이인호, 이재광, 김현빈
출원번호
11605612 (2006.11.29)
공개번호
20070126743 (2007.06.07)
등록번호
7869646 (2011.01.11)
출원국
미국
초록
A method for estimating three-dimensional positions of human joints includes the steps of: a) marker-free motion capturing a moving figure for obtaining a multiview 2D image of the moving figure, and extracting a 2D feature point corresponding to a bodily end-effector; b) three-dimensionally matching the 2D feature point corresponding to the bodily end-effector, and recovering the 3D coordinates of the bodily end-effector; c) generating a 3D blob of the bodily end-effector, generating a virtual sphere with a radius that is a distance from a center of the 3D blob to a joint, and projecting the virtual sphere onto the obtained multiview 2D image of the moving figure; and d) detecting a coinciding point of a surface of the projected virtual sphere and the multiview 2D image of the moving figure, and estimating a 3D position corresponding to the coinciding point as a 3D position of the joint.
KSP 제안 키워드
2D image, 3D Coordinates, End-effector, Feature point corresponding, Free motion, Marker-free, Three dimensional(3D), Virtual Sphere, feature points, human joint, motion capturing