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Tunable output-frequency filter algorithm for imaging through scattering media under LED illumination
Zhou, Meiling1,2,3; Singh, Alok Kumar1; Pedrini, Giancarlo1; Osten, Wolfgang1; Min, Junwei2; Yao, Baoli2
Department瞬态光学技术国家重点实验室
2018-03-01
Source PublicationOPTICS COMMUNICATIONS
ISSN0030-4018
Volume410Pages:160-163
Contribution Rank1
Abstract

We present a tunable output-frequency filter (TOF) algorithm to reconstruct the object from noisy experimental data under low-power partially coherent illumination, such as LED, when imaging through scattering media. In the iterative algorithm, we employ Gaussian functions with different filter windows at different stages of iteration process to reduce corruption from experimental noise to search for a global minimum in the reconstruction. In comparison with the conventional iterative phase retrieval algorithm, we demonstrate that the proposed TOF algorithm achieves consistent and reliable reconstruction in the presence of experimental noise. Moreover, the spatial resolution and distinctive features are retained in the reconstruction since the filter is applied only to the region outside the object. The feasibility of the proposed method is proved by experimental results. (c) 2017 Elsevier B.V. All rights reserved.

 

KeywordTunable Output-frequency Filter Algorithm Experimental Noise Speckle Imaging Led Illumination
DOI10.1016/j.optcom.2017.10.018
Indexed BySCI ; EI
Language英语
WOS IDWOS:000418646100024
EI Accession Number20174304300297
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30826
Collection瞬态光学技术国家重点实验室
Affiliation1.Univ Stuttgart, ITO, Pfaffenwaldring 9, D-70569 Stuttgart, Germany;
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Meiling,Singh, Alok Kumar,Pedrini, Giancarlo,et al. Tunable output-frequency filter algorithm for imaging through scattering media under LED illumination[J]. OPTICS COMMUNICATIONS,2018,410:160-163.
APA Zhou, Meiling,Singh, Alok Kumar,Pedrini, Giancarlo,Osten, Wolfgang,Min, Junwei,&Yao, Baoli.(2018).Tunable output-frequency filter algorithm for imaging through scattering media under LED illumination.OPTICS COMMUNICATIONS,410,160-163.
MLA Zhou, Meiling,et al."Tunable output-frequency filter algorithm for imaging through scattering media under LED illumination".OPTICS COMMUNICATIONS 410(2018):160-163.
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