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研究从一维正投影光流场恢复二维刚体运动和结构。证明利用一维正投影光流场中最少 3个光流点可以完全确定刚体的二维旋转运动参数 ,一般情况下有 2个解。尽管不能确定刚体的二维平移运动参数 ,但利用一维正投影光流场可以完全确定二维刚体的结构。文中给出了具体算例。
The research researches two-dimensional rigid body motion and structure from the one-dimensional orthographic projection optical flow field. It is proved that two-dimensional rotational motion parameters of a rigid body can be completely determined by using at least three optical flow points in a one-dimensional orthographic projection optical flow field. In general, there are two solutions. Although the two-dimensional translational motion parameters of a rigid body can not be determined, the structure of a two-dimensional rigid body can be completely determined by using the one-dimensional orthographic projection optical flow field. The article gives a specific example.