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Sub-diffraction visible imaging using macroscopic fourier ptychography and regularization by denoising
Li, Zhixin1,2; Wen, Desheng1; Song, Zongxi1; Liu, Gang1,2; Zhang, Weikang1,2; Wei, Xin1,2
作者部门空间光学应用研究室
2018-09-18
发表期刊Sensors (Switzerland)
ISSN14248220
卷号18期号:9
产权排序1
摘要

Imaging past the diffraction limit is of significance to an optical system. Fourier ptychography (FP) is a novel coherent imaging technique that can achieve this goal and it is widely used in microscopic imaging. Most phase retrieval algorithms for FP reconstruction are based on Gaussian measurements which cannot extend straightforwardly to long range, sub-diffraction imaging setup because of laser speckle noise corruption. In this work, a new FP reconstruction framework is proposed for macroscopic visible imaging. When compared with existing research, the reweighted amplitude flow algorithm is adopted for better signal modeling, and the Regularization by Denoising (RED) scheme is introduced to reduce the effects of speckle. Experiments demonstrate that the proposed method can obtain state-of-the-art recovered results on both visual and quantitative metrics without increasing computation cost, and it is flexible for real imaging applications. © 2018 by the authors. Licensee MDPI, Basel, Switzerland.

关键词Sub-diffraction Visible Imaging Computational Imaging Fourier Ptychography Phase Retrieval Fourier Optics And Signal Processing
DOI10.3390/s18093154
收录类别SCI ; EI
语种英语
WOS记录号WOS:000446940600413
出版者MDPI AG, Postfach, Basel, CH-4005, Switzerland
EI入藏号20183905862054
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30655
专题空间光学应用研究室
通讯作者Song, Zongxi
作者单位1.Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式
GB/T 7714
Li, Zhixin,Wen, Desheng,Song, Zongxi,et al. Sub-diffraction visible imaging using macroscopic fourier ptychography and regularization by denoising[J]. Sensors (Switzerland),2018,18(9).
APA Li, Zhixin,Wen, Desheng,Song, Zongxi,Liu, Gang,Zhang, Weikang,&Wei, Xin.(2018).Sub-diffraction visible imaging using macroscopic fourier ptychography and regularization by denoising.Sensors (Switzerland),18(9).
MLA Li, Zhixin,et al."Sub-diffraction visible imaging using macroscopic fourier ptychography and regularization by denoising".Sensors (Switzerland) 18.9(2018).
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