Three-dimensional shape measurement method for internal surface in confined space

被引：0

作者：

Zeng, Xiangjun ^{[1
]}

Wu, Qingyang ^{[1
]}

Huo, Jincheng ^{[1
]}

He, Wei ^{[1
]}

机构：

[1] Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, College of Electronic Science and Technology, Shenzhen University, Shenzhen

来源：

Zhongguo Jiguang/Chinese Journal of Lasers | 2012年 / 39卷 / 12期

关键词：

Confined space; Measurement; Optical tube; Projecting fringe; Three-dimensional shape measurement;

D O I：

10.3788/CJL201239.1208005

中图分类号：

O43 [光学]; T [工业技术];

学科分类号：

070207 ; 08 ; 0803 ;

摘要：

A three-dimensional (3D) shape measurement method for confined space using an optical tube is proposed. Considering small cross-sectional area and high reflectivity, a optical tube is designed for image transmission. With the optical tube, fringe patterns can be easily projected onto internal surface from external space. The collected images transferred from interior space to external space are recorded by CCD. Accordingly, shade and occlusion caused by the limitation of measurement space are avoided and 3D shape measurement for internal surface of confined space is realized. Experimental results show feasibility and validity.

引用

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