Averaging speckle patterns to improve the robustness of compressive multimode fiber imaging against fiber bend

Fiber bend is a major challenge of multimode fiber (MMF) imaging. More robustness against fiber bend is demonstrated in compressive MMF imaging using mean speckle patterns captured at multiple potential bending configurations beforehand, rather than sticking to single patterns at initial configurati...

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Bibliographic Details
Published inOptics express Vol. 28; no. 9; pp. 13662 - 13669
Main Authors Lan, Mingying, Xiang, Yangyang, Li, Junhui, Gao, Li, Liu, Yuanhang, Wang, Ziyu, Yu, Song, Wu, Guohua, Ma, Jianxin
Format Journal Article
LanguageEnglish
Published United States 27.04.2020
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Summary:Fiber bend is a major challenge of multimode fiber (MMF) imaging. More robustness against fiber bend is demonstrated in compressive MMF imaging using mean speckle patterns captured at multiple potential bending configurations beforehand, rather than sticking to single patterns at initial configuration. Experiments demonstrate an overall quality improvement on recovered images than previous work, which is important for robust endoscopic application.
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.387648