Three-dimensional profile measurement using a flexible new multiview connection method

Peng Zheng; Hongwei Guo; Yingjie Yu; Mingyi Chen

doi:10.1117/12.814619

3 October 2008 Three-dimensional profile measurement using a flexible new multiview connection method

Peng Zheng, Hongwei Guo, Yingjie Yu, Mingyi Chen

Proceedings Volume 7155, Ninth International Symposium on Laser Metrology; 715539 (2008) https://doi.org/10.1117/12.814619
Event: Ninth International Symposium on Laser Metrology, 2008, Singapore, Singapore

Abstract

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.

Citation Download Citation

Peng Zheng, Hongwei Guo, Yingjie Yu, and Mingyi Chen "Three-dimensional profile measurement using a flexible new multiview connection method", Proc. SPIE 7155, Ninth International Symposium on Laser Metrology, 715539 (3 October 2008); https://doi.org/10.1117/12.814619

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