Least-squares calibration method for fringe projection profilometry considering camera lens distortion

被引：130

作者：

Huang, Lei ^{[1
]}

Chua, Patrick S. K. ^{[1
]}

Asundi, A. ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore

来源：

APPLIED OPTICS | 2010年 / 49卷 / 09期

关键词：

3-DIMENSIONAL SHAPE MEASUREMENT; FOURIER-TRANSFORM PROFILOMETRY;

D O I：

10.1364/AO.49.001539

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

By using the least-squares fitting approach, the calibration procedure for fringe projection profilometry becomes more flexible and easier, since neither the measurement of system geometric parameters nor precise control of plane moving is required. With consideration of camera lens distortion, we propose a modified least-squares calibration method for fringe projection profilometry. In this method, camera lens distortion is involved in the mathematical description of the system for least-squares fitting to reduce its influence. Both simulation and experimental results are shown to verify the validity and ease of use of this modified calibration method. (C) 2010 Optical Society of America

引用

页码：1539 / 1548

页数：10

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