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Data preprocessing methods for robust Fourier ptychographic microscopy
Zhang, Yan1,2; Pan, An1,2; Lei, Ming1; Yao, Baoli1,3
Department瞬态光学技术国家重点实验室
2017-12-01
Source PublicationOPTICAL ENGINEERING
ISSN0091-3286
Volume56Issue:12
Contribution Rank1
AbstractFourier 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)

KeywordComputational Imaging Image Reconstruction Phase Retrieval Fourier Ptychography
DOI10.1117/1.OE.56.12.123107
Indexed BySCI ; EI
Language英语
WOS IDWOS:000419965800019
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30799
Collection瞬态光学技术国家重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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