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Optimal defocus selection based on normed Fourier transform for digital fringe pattern profilometry
Kamagara, Abel; Wang, Xiangzhao; Li, Sikun; wxz26267@siom.ac.cn; lisikun@siom.ac.cn
2017
发表期刊Appl. Optics
卷号56期号:28页码:8014
摘要Owing to gamma-effect robustness and high-speed imaging capabilities, projector defocusing of binary-coded fringe patterns is by far the most widely used and effective technique in generating sinusoidal fringe patterns for three-dimensional optical topography measurement with digital fringe projection techniques. However, this technique is not trouble-free. It is borne with uncertainty and challenges mainly because it remains somewhat difficult to quantify and ascertain the level of defocus required for desired fidelity in sinuousness of the projected fringe pattern. Too much or too little defocusing will affect the sinuosity accuracy of fringe patterns and consequently jeopardize the quality of the measurement results. In this paper, by combining intrinsic phase spectral sensitivities and normed Fourier transform, a method to quantify the amount of defocus and subsequently select the optimal degree of sinuosity for generating digital sinusoidal fringe patterns with projector defocusing for fringe pattern optical three-dimensional profilometry is proposed. Numerical simulations plus experiments give evidence of the feasibility and validity of the proposed method in enabling an improved digital binary defocusing technique for optical phase-shift profilometry using the digital fringe projection technique.
文章类型Article
部门归属信息光电
DOI10.1364/AO.56.008014
资助者National Natural Science Foundation of China (NSFC) [61474129]; World Academy of Sciences (TWAS); Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC) [61474129]; World Academy of Sciences (TWAS); Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC) [61474129]; World Academy of Sciences (TWAS); Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC) [61474129]; World Academy of Sciences (TWAS); Chinese Academy of Sciences (CAS)
收录类别SCI
资助者National Natural Science Foundation of China (NSFC) [61474129]; World Academy of Sciences (TWAS); Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC) [61474129]; World Academy of Sciences (TWAS); Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC) [61474129]; World Academy of Sciences (TWAS); Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC) [61474129]; World Academy of Sciences (TWAS); Chinese Academy of Sciences (CAS)
WOS记录号WOS:000412053200032
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文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28514
专题信息光学与光电技术实验室
通讯作者wxz26267@siom.ac.cn; lisikun@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Kamagara, Abel,Wang, Xiangzhao,Li, Sikun,et al. Optimal defocus selection based on normed Fourier transform for digital fringe pattern profilometry[J]. Appl. Optics,2017,56(28):8014.
APA Kamagara, Abel,Wang, Xiangzhao,Li, Sikun,wxz26267@siom.ac.cn,&lisikun@siom.ac.cn.(2017).Optimal defocus selection based on normed Fourier transform for digital fringe pattern profilometry.Appl. Optics,56(28),8014.
MLA Kamagara, Abel,et al."Optimal defocus selection based on normed Fourier transform for digital fringe pattern profilometry".Appl. Optics 56.28(2017):8014.
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