Flexible calibration technique for fringe-projection-based three-dimensional imaging

被引：59

作者：

Vo, Minh ^{[2
]}

Wang, Zhaoyang ^{[1
]}

Hoang, Thang ^{[1
,2
]}

Nguyen, Dung ^{[2
]}

机构：

[1] Catholic Univ Amer, Dept Mech Engn, Washington, DC 20064 USA

[2] Catholic Univ Amer, Dept Elect Engn, Washington, DC 20064 USA

来源：

OPTICS LETTERS | 2010年 / 35卷 / 19期

基金：

美国国家科学基金会;

关键词：

CAMERA CALIBRATION; PROFILOMETRY;

D O I：

10.1364/OL.35.003192

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Fringe projection profilometry (FPP) has evolved dramatically, with many highly demanded features for three-dimensional (3D) imaging, such as high accuracy, easy implementation, and capability of measuring multiple objects with complex shapes. A vital component for an FPP-based 3D imaging system is the calibration process. The existing calibration methods lack the ability to be flexibly compatible with various scales of the field of imaging. In this Letter, a technique to cope with this issue is presented; it employs a checkerboard along with practical considerations to ensure reliable and accurate calibration. The validity and practicality of the technique are verified by experiments. (C) 2010 Optical Society of America

引用

页码：3192 / 3194

页数：3

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