Three-dimensional profile measurement using a flexible new multi-view connection method

被引:3
作者
Zheng, Peng [1 ]
Guo, Hongwei [1 ]
Yu, Yingjie [1 ]
Chen, Mingyi [1 ]
机构
[1] Shanghai Univ, Dept Precis Mech Engn, Shanghai 200072, Peoples R China
来源
NINTH INTERNATIONAL SYMPOSIUM ON LASER METROLOGY, PTS 1 AND 2 | 2008年 / 7155卷
关键词
3D measurement; multi-view connection; fringe projection; quaternion method;
D O I
10.1117/12.814619
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A novel multi-view connection method is proposed for whole field three-dimensional (3D) profile measurement. Firstly 3D profiles of tested object from different views can be measured by using the digital fringe projection profilometry, and then these profiles are transformed into the common coordinate by applying transform matrix. With the help of a new determination method for the revolution axis of rotary stage, the direction vector and one point of the axis are achieved. To improve the computability and feasibility of coordinate transformation, the quaternion method is also used to get the transform matrix. Considering the error movements between the views, an effective method based on multi-aperture overlap scanning technique (MAOST) is presented, which can determine the relationship between two adjacent views from their overlapping areas. The connection of adjacent views is performed accurately in 3D space. Both computer simulation and experimental results are presented to verify the feasibility of proposed method.
引用
收藏
页数:10
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