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基于结构光的高反物体三维形貌测量方法

Three-Dimensional Shape Measurement of Highly Reflective Objects Based on Structured Light

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摘要

提出了一种用于大面积高反物体的三维形貌测量方法。基于双色反射模型理论,提取了相机采集的条纹图像的漫反射分量,通过改进的反射分量分离算法对图像进行反射分量分离;对反射分量分离产生的图像空洞采用改进的种子填充算法进行修补;用三步相移结合质量引导算法得到连续相位,由系统标定的相位高度映射关系得到物体的高度信息。实验结果表明:所提方法实测误差约为0.23 mm,消除了93%~97%的高光像素,有效克服了反射光的干扰,对大面积反射光具有较好的稳健性。

Abstract

A three-dimensional shape measurement method for large-area and high-reflection objects is proposed. Based on the theory of two-color reflection model, the diffuse reflection components of the fringe image collected by the camera are extracted. The reflection component of the image is separated by the improved reflection component separation algorithm. And the improved seed search algorithm is used to repair the image hollow caused by the reflection component separation. The three-step phase shift and quality guide algorithm are used to obtain the continuous phase. And the height information of the object is obtained by the phase height mapping relationship calibrated by the system.. The experimental results show that the measured error of this method is about 0.23 mm, which can eliminate 93%-97% of the number of high-light pixels, effectively overcomes the reflected light interference, and has good robustness for large-area reflected light.

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中图分类号:TP391.4

DOI:10.3788/CJL201946.0204004

所属栏目:测量与计量

基金项目:国家自然科学基金(61661034,61465010)、江西省重点研发计划(20171BBE50012)、江西省教育厅科研项目(DA 201808191)

收稿日期:2018-07-15

修改稿日期:2018-09-27

网络出版日期:2018-10-24

作者单位    点击查看

杨鹏斌:南昌航空大学无损检测技术教育部重点实验室, 江西 南昌 330063
邓林嘉:南昌航空大学无损检测技术教育部重点实验室, 江西 南昌 330063
陈元:南昌航空大学无损检测技术教育部重点实验室, 江西 南昌 330063
伏燕军:南昌航空大学无损检测技术教育部重点实验室, 江西 南昌 330063
徐天义:南昌航空大学无损检测技术教育部重点实验室, 江西 南昌 330063
王霖:南昌航空大学无损检测技术教育部重点实验室, 江西 南昌 330063

联系人作者:伏燕军(fyjpkh@sina.com.cn)

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引用该论文

Yang Pengbin,Deng Linjia,Chen Yuan,Fu Yanjun,Xu Tianyi,Wang Lin. Three-Dimensional Shape Measurement of Highly Reflective Objects Based on Structured Light[J]. Chinese Journal of Lasers, 2019, 46(2): 0204004

杨鹏斌,邓林嘉,陈元,伏燕军,徐天义,王霖. 基于结构光的高反物体三维形貌测量方法[J]. 中国激光, 2019, 46(2): 0204004

被引情况

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【8】周佩,朱江平,荆海龙,段智涓,安世勇,郭燕琼. “S”型二元编码的正弦结构光模板设计与实验研究. 激光与光电子学进展, 2020, 57(15): 151203--1

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