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Real-time 3D shape measurement by fringe projection and GPU parallel computing

  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

When fringe projection profilometry is applied for real-time 3D shape measurement, several problems remain to be solved such as multi-wavelength heterodyne phase unwrapping is sensitive to motion and the computation cost is high. In this paper, a real-time 3D shape measurement method with optimized multi-wavelength heterodyne phase unwrapping and GPU parallel computing is proposed. Experimental results demonstrate that the proposed method can acquire 3D shape at 40 fps. Dynamic object with discontinuities can be measured and the phase unwrapping mistakes are eliminated by smoothing the phase of beat frequency during multi-wavelength heterodyne phase unwrapping.

源语言英语
主期刊名Tenth International Symposium on Precision Engineering Measurements and Instrumentation
编辑Jie Lin, Jiubin Tan
出版商SPIE
ISBN(电子版)9781510627819
DOI
出版状态已出版 - 2019
活动10th International Symposium on Precision Engineering Measurements and Instrumentation, ISPEMI 2018 - Kunming, 中国
期限: 8 8月 201810 8月 2018

出版系列

姓名Proceedings of SPIE - The International Society for Optical Engineering
11053
ISSN(印刷版)0277-786X
ISSN(电子版)1996-756X

会议

会议10th International Symposium on Precision Engineering Measurements and Instrumentation, ISPEMI 2018
国家/地区中国
Kunming
时期8/08/1810/08/18

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