Calibration of an arbitrarily arranged projection moire system for 3D shape measurement

被引：10
|
作者：
Tang, Ying [1 ]
Yao, Jun [1 ]
Zhou, Yihao [1 ]
Sun, Chen [1 ]
Yang, Peng [1 ]
Miao, Hong [2 ]
Chen, Jubing [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Engn Mech, Shanghai 200240, Peoples R China
[2] Univ Sci & Technol China, Dept Mech & Mech Engn, Hefei 230027, Anhui, Peoples R China
来源：
OPTICS AND LASERS IN ENGINEERING | 2018年 / 104卷
基金：
中国国家自然科学基金;
关键词：
Projection moire; Metrology; Moire techniques; Surface measurements; System calibration; CAMERA CALIBRATION; ACCURACY; TOPOGRAPHY;
D O I：
10.1016/j.optlaseng.2017.10.018
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An arbitrarily arranged projection moire system is presented for three-dimensional shape measurement. We develop a model for projection moire system and derive a universal formula expressing the relation between height and phase variation before and after we put the object on the reference plane. With so many system parameters involved, a system calibration technique is needed. In this work, we provide a robust and accurate calibration method for an arbitrarily arranged projection moire system. The system no longer puts restrictions on the configuration of the optical setup. Real experiments have been conducted to verify the validity of this method. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：135 / 140
页数：6
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