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Data preprocessing methods for robust Fourier ptychographic microscopy
Zhang, Yan1,2; Pan, An1,2; Lei, Ming1; Yao, Baoli1,3
作者部门瞬态光学技术国家重点实验室
2017-12-01
发表期刊OPTICAL ENGINEERING
ISSN0091-3286
卷号56期号:12
产权排序1
摘要Fourier ptychographic microscopy (FPM) is a recently developed computational imaging technique that achieves gigapixel images with both high resolution and large field-of-view. In the current FPM experimental setup, the dark-field images with high-angle illuminations are easily overwhelmed by stray lights and background noises due to the low signal-to-noise ratio, thus significantly degrading the achievable resolution of the FPM approach. We provide an overall and systematic data preprocessing scheme to enhance the FPM's performance, which involves sampling analysis, underexposed/overexposed treatments, background noises suppression, and stray lights elimination. It is demonstrated experimentally with both US Air Force (USAF) 1951 resolution target and biological samples that the benefit of the noise removal by these methods far outweighs the defect of the accompanying signal loss, as part of the lost signals can be compensated by the improved consistencies among the captured raw images. In addition, the reported nonparametric scheme could be further cooperated with the existing state-of-the-art algorithms with a great flexibility, facilitating a stronger noise-robust capability of the FPM approach in various applications. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)

关键词Computational Imaging Image Reconstruction Phase Retrieval Fourier Ptychography
DOI10.1117/1.OE.56.12.123107
收录类别SCI ; EI
语种英语
WOS记录号WOS:000419965800019
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30799
专题瞬态光学技术国家重点实验室
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian, Shaanxi, Peoples R China;
2.Univ Chinese Acad Sci, Beijing, Peoples R China;
3.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan, Shanxi, Peoples R China
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Zhang, Yan,Pan, An,Lei, Ming,et al. Data preprocessing methods for robust Fourier ptychographic microscopy[J]. OPTICAL ENGINEERING,2017,56(12).
APA Zhang, Yan,Pan, An,Lei, Ming,&Yao, Baoli.(2017).Data preprocessing methods for robust Fourier ptychographic microscopy.OPTICAL ENGINEERING,56(12).
MLA Zhang, Yan,et al."Data preprocessing methods for robust Fourier ptychographic microscopy".OPTICAL ENGINEERING 56.12(2017).
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