Hyper-accurate flexible calibration technique for fringe-projection-based three-dimensional imaging

被引：89
|
作者：
Vo, Minh [1 ]
Wang, Zhaoyang [1 ]
Pan, Bing [2 ]
Pan, Tongyan [3 ]
机构：
[1] Catholic Univ Amer, Dept Mech Engn, Washington, DC 20064 USA
[2] Beihang Univ, Inst Solid Mech, Beijing 100191, Peoples R China
[3] Catholic Univ Amer, Dept Civil Engn, Washington, DC 20064 USA
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 15期
基金：
美国国家科学基金会;
关键词：
NONSINUSOIDAL WAVE-FORMS; PHASE-ERROR ANALYSIS; PROFILOMETRY; ENHANCEMENT;
D O I：
10.1364/OE.20.016926
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Fringe-projection-based (FPB) three-dimensional (3D) imaging technique has become one of the most prevalent methods for 3D shape measurement and 3D image acquisition, and an essential component of the technique is the calibration process. This paper presents a framework for hyper-accurate system calibration with flexible setup and inexpensive hardware. Owing to the crucial improvement in the camera calibration technique, an enhanced governing equation for 3D shape determination, and an advanced flexible system calibration technique as well as some practical considerations on accurate fringe phase retrieval, the novel FPB 3D imaging technique can achieve a relative measurement accuracy of 0.010%. The validity and practicality are verified by both simulation and experiments. (C) 2012 Optical Society of America
引用
收藏
页码：16926 / 16941
页数：16
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