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偏折术中相机和被测面坐标的获取

Method for Coordinate Acquisition of Camera and Measured Surface in Deflectometry

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摘要

提出了一种偏折术中相机和被测面坐标的获取方法。通过斜率计算和面形重建, 对一块圆形的窗玻璃进行了检测, 最终检测结果与基于干涉仪及张正友标定法检测得到的结果近似, 证明了该方法的可行性和正确性。研究结果表明, 所提方法的标定过程简单、灵活, 能够完成相机和被测面的全局标定, 适用于在线测量的标定。

Abstract

A method to acquire the coordinates of camera and measured surfaces in the deflectometry is proposed. A circular window glass is tested by the slope calculation and the shape reconstruction. The final test results by the proposed method are close to those by the interferometer and the Zhang′s calibration method, and the feasibility and correctness of the proposed method are proved. The research results show that the calibration by the proposed method is simple and flexible. This method can be used to achieve the global calibration of cameras and the measured surfaces, and is suitable for the calibration of online measurements.

Newport宣传-MKS新实验室计划
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中图分类号:O436

DOI:10.3788/cjl201946.0304001

所属栏目:测量与计量

基金项目:国家自然科学基金(61875142)、国家重点研发计划(2017YFB1002900)、“十三五”全军装备预研项目(JZX2017-1570/Y464)

收稿日期:2018-09-28

修改稿日期:2018-10-17

网络出版日期:2018-11-20

作者单位    点击查看

赵建岗:四川大学电子信息学院, 四川 成都 610065
李大海:四川大学电子信息学院, 四川 成都 610065
李磊:四川大学电子信息学院, 四川 成都 610065
陈鹏宇:四川大学电子信息学院, 四川 成都 610065
王瑞阳:四川大学电子信息学院, 四川 成都 610065
王琼华:北京航空航天大学仪器科学与光电工程学院, 北京 100191

联系人作者:李大海(lidahai@scu.edu.cn)

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引用该论文

Zhao Jiangang,Li Dahai,Li Lei,Chen Pengyu,Wang Ruiyang,Wang Qionghua. Method for Coordinate Acquisition of Camera and Measured Surface in Deflectometry[J]. Chinese Journal of Lasers, 2019, 46(3): 0304001

赵建岗,李大海,李磊,陈鹏宇,王瑞阳,王琼华. 偏折术中相机和被测面坐标的获取[J]. 中国激光, 2019, 46(3): 0304001

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