基于数字条纹投影的三维形貌测量技术研究与实现

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基于数字条纹投影的三维形貌测量技术研究与实现

作者:龙佳乐 程瑞 张建民

来源:《现代电子技术》2013年第23期

摘 要: 根据投影机和照相机的光学成像原理,借用双目测量系统的标定方法搭建了一套测量精度高、标定过程自动化的基于数字条纹的三维形貌测量系统,并采用最新的相位展开技术用较少的条纹图像完成相位展开,通过对人脸石膏像进行测量实验,验证了系统模型和测量方法的正确性。

关键词: 数字条纹; 标定; 形貌测量; 相位展开; 三维重构

中图分类号: TN710?34; TP391.4 文献标识码: A 文章编号: 1004?373X(2013)23?0099?04

Research and implementation of 3?D profile measurement technique based on digital fringe projection

LONG Jia?le1,2, CHENG Rui1, ZHANG Jian?min2

(1. Department of Electronic and Information Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;

2. School of Information Engineering, Wuyi University, Jiangmen 529020, China) Abstract: According to the principle of optical imaging of projector and camera, a three?dimensional profile measuring system based on digital fringe is constructed by using the calibration method of binocular vision measuring system, which has the advantages of automated calibration and high accuracy. The newest phase unwrapping method which uses less fringe patterns is employed. Experiments on a plaster human head model are conducted to confirm the system model and the measuring method.

Keywords: digital fringe pattern; calibration; profile measurement; phase unwrapping; three?dimensional reconstruction 0 引 言

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