一种点扫描形貌测量系统的现场标定方法

李旭东; 崔磊; 姜宏志; 赵慧洁

一种点扫描形貌测量系统的现场标定方法

北京航空航天大学仪器科学与光电工程学院,北京 100191

基金项目: 国家自然科学基金资助项目(60802044); 中国航天科技集团公司航天科技创新基金资助项目

详细信息

作者简介:
李旭东(1974-), 男, 陕西蓝田人,副教授,xdli@buaa.edu.cn.

中图分类号: TN 948.41
计量
- 文章访问数: 2900
- HTML全文浏览量: 143
- PDF下载量: 1414
- 被引次数: 0
出版历程
- 收稿日期: 2009-11-09
- 网络出版日期: 2010-12-30

Structure parameters field calibration of fly point scanning shape measurement system

School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 针对三角法点扫描形貌测量系统结构参数标定的非线性问题,提出并实现了一种简单易行的系统结构参数现场标定方法.利用二维靶标在测量空间内自由摆放,根据靶标上特征点及其像点间的位置关系,基于坐标系转换实现了点扫描形貌测量系统结构参数的精确标定.通过对平面及已知直径圆柱面进行测量,利用测量点到拟合平面或圆柱面的距离评价了系统标定的精度.所提标定方法无需精密调整靶标位置,具有较高的可靠性与实用性;也可用于其它基于三角法原理的三维形貌测量系统结构参数的标定.
- 三维形貌测量 /
- 三角法 /
- 现场标定
Abstract: The calibration of structure parameters of a triangulation-based fly point scanning shape measurement system is usually a non-linear problem. A practical and easy-to-use calibration procedure of such system was proposed and implemented. The proposed calibration procedure was based on the coordinate transformation between the feature points and their images taken by the measurement system. Several pictures of a special designed planar calibration board were taken from arbitrary orientations. There was no need to precisely measure the position and altitude of the calibration board. A planar board surface and a cylinder surface with known diameter were measured by using the obtained structure parameters. The average error of the distances between measuring points and the fitted plane or cylinder was used to evaluate the calibration accuracy. The proposed calibration procedure can meet the needs of the calibration such as validity and stabilization. It can also be used for the calibration of other triangulation based shape measurement systems.
- three dimension shape measurement /
- triangulation /
- field calibration

HTML全文

参考文献(1)

[1] 吴兆喜,黄元庆．基于光学原理的三维形貌测量技术研究[J]．光学技术,2006,32(S1):654-658 Wu Zhaoxi,Huang Yuanqing.Study on optical methods for 3D shape measurement[J].Optical Technique,2006,32(S1):654-658(in Chinese) [2] Franca J G D M,Gazziro M A,Ide A N,et al.A 3D scanning system based on laser triangulation and variable field of view //Proc of IEEE Conference on International Conference on Image Processing.Genoa,Italy:Institute of Electrical and Electronics Engineers Computer Society,2005:741-750 [3] Wang Guoyu,Zheng Bing,Houkes Z.Modeling and calibration of the laser beam-scanning triangulation measurement system[J].Robotics and Autonomous Systems,2002,40(4):267-277 [4] 刘安心,余跃庆．三维机器视觉测量系统的标定模型研究[J]．机械制造与自动化,2005,34(4):43-46 Liu Anxin,Yu Yueqing.Study on the calibration model for 3D machine vision measuring system[J].Machine Building & Automation,2005,34(4):43-46(in Chinese) [5] 章小兵,戚俊,张毅,等．一种关于大位移激光三角法测量参数标定方法的研究[J]．量子电子学报,2002,19(1):74-77 Zhang Xiaobing,Qi Jun,Zhang Yi,et al.A research on the method of calibrating parameters of laser triangulation of long displacement[J].Chinese Journal of Quantum Electronics,2002,19(1):74-77(in Chinese) [6] 杜立彬,高晓辉,夏进军,等．一种新型激光三维扫描测量仪的研制[J]．激光技术,2005,29(4):366-369 Du Libin,Gao Xiaohui,Xia Jinjun,et al.Research of a novel 3-D laser scanning system[J].Laser Technology,2005,29(4):366-369(in Chinese) [7] 周利民,胡德洲,卢秉恒．激光扫描三角法测量精度因素的分析与研究[J]．计量学报,1998,19(2):130-135 Zhou Limin,Hu Dezhou,Lu Bingheng.A study of the precision factors of the laser scanning triangulation method[J].ACTA Metrologica Sinica,1998,19(2):130-135(in Chinese) [8] 李晶,吴章江．基于图像处理的激光双三角法测量三维曲面[J]．激光与红外,2001,31(2):87-89 Li Jing,Wu Zhagnjiang.Laser double triangulation method measurement for 3-D surface based on image processing[J].Laser & Infrared,2001,31(2):87-89(in Chinese) [9] Zhang Zhengyou.A flexible new technique for camera calibration[J].IEEE Transactions on Pattern Analysis and Machine Intelligence,2000,22(11):1330-1334 [10] 张广军．机器视觉[M]．北京:科学出版社,2005:84-89 Zhang Guangjun.Machine vision[M].Beijing:Science Press,2005:84-89(in Chinese) [11] 张辉,张丽艳,陈江．基于平面模板自由拍摄的双目立体视觉测量系统的现场标定[J]．航空学报,2007,28(3):695-701 Zhang Hui,Zhang Liyan,Chen Jiang.Field calibration of binocular stereo system based on planar template and free snapping[J].Acta Aeronautica et Astronautica Sinica,2007,28(3):695-701(in Chinese)

施引文献

资源附件(0)

访问统计