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Hilbert transformation deep learning network for single-shot moire profilometry
Ma, Pu1; Du, Hubing1; Ma, Yueyang1; Zhang, Gaopeng2; Wang, Feng2; Zhao, Zixin3; Feng, Leijie1
作者部门飞行器光学成像与测量技术研究室
2023-01
发表期刊OPTICS AND LASERS IN ENGINEERING
ISSN0143-8166;1873-0302
卷号160
产权排序2
摘要

Phase demodulation from a single moire fringe pattern is an ill-posed inverse problem that limits the applications of moire profilometry in dynamic three-dimensional (3D) measurement. In this paper, a deep-learning-based high-precision technique is used to solve this problem arising from highly under sampled inputs. Our novel approach termed two-dimensional (2D) Hilbert transformation network uses two Res U-Net networks paired with a dichotomous network to generate the desired quadrature fringe pattern by referring to the input. This process can be viewed as 2D Hilbert transformation of a fringe pattern. By using the proposed network, the wrapped phase can be extracted easily if the sampled fringe pattern is filtered and normalized in advance. Experimental results obtained using the proposed Hilbert transformation network trained on simulated data indicate that it is a simple, albeit robust solution for phase extraction from a single fringe pattern with a phase error of less than 0.02 rad. Thus, the proposed network represents a novel approach to reliable and practical learning-based single-shot Moire profilometry.

关键词Moir? profilometry Phase demodulation 2D Hilbert transform Deep learning
DOI10.1016/j.optlaseng.2022.107279
收录类别SCI
语种英语
WOS记录号WOS:000862580400005
出版者ELSEVIER SCI LTD
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/96164
专题飞行器光学成像与测量技术研究室
通讯作者Du, Hubing; Zhang, Gaopeng
作者单位1.Xian Technol Univ, Sch Mechatron Engn, Xian 710032, Shaanxi, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
3.Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian 710049, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Ma, Pu,Du, Hubing,Ma, Yueyang,et al. Hilbert transformation deep learning network for single-shot moire profilometry[J]. OPTICS AND LASERS IN ENGINEERING,2023,160.
APA Ma, Pu.,Du, Hubing.,Ma, Yueyang.,Zhang, Gaopeng.,Wang, Feng.,...&Feng, Leijie.(2023).Hilbert transformation deep learning network for single-shot moire profilometry.OPTICS AND LASERS IN ENGINEERING,160.
MLA Ma, Pu,et al."Hilbert transformation deep learning network for single-shot moire profilometry".OPTICS AND LASERS IN ENGINEERING 160(2023).
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