A generalized reference-plane-based calibration method in optical triangular profilometry

被引：33

作者：

Cui, Suochao ^{[1
,2
]}

Zhu, Xiao ^{[1
,2
]}

机构：

[1] Huazhong Univ Sci & Technol, Inst Optoelect Sci & Engn, Wuhan 430074, Peoples R China

[2] Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 23期

关键词：

3-DIMENSIONAL SHAPE MEASUREMENT; FRINGE PROJECTION PROFILOMETRY; ALGORITHM;

D O I：

10.1364/OE.17.020735

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, a generalized reference-plane-based calibration method is proposed in optical triangular profilometry by exploring projection ray tracing method and image ray tracing method. The pin-hole camera model is used to model the camera and the projector, and parallel planes model is used to model the reference and test planes. The camera, projector, and planes can be in arbitrary positions and arbitrary directions. The reciprocal of the height and the reciprocal of the phase shift (or pixel position vertical distance) are in linear relationship. Experiments are conducted to verify the proposed method. (C) 2009 Optical Society of America

引用

页码：20735 / 20746

页数：12

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