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Image reconstruction through a multimode fiber with a simple neural network architecture.


ABSTRACT: Multimode fibers (MMFs) have the potential to carry complex images for endoscopy and related applications, but decoding the complex speckle patterns produced by mode-mixing and modal dispersion in MMFs is a serious challenge. Several groups have recently shown that convolutional neural networks (CNNs) can be trained to perform high-fidelity MMF image reconstruction. We find that a considerably simpler neural network architecture, the single hidden layer dense neural network, performs at least as well as previously-used CNNs in terms of image reconstruction fidelity, and is superior in terms of training time and computing resources required. The trained networks can accurately reconstruct MMF images collected over a week after the cessation of the training set, with the dense network performing as well as the CNN over the entire period.

SUBMITTER: Zhu C 

PROVIDER: S-EPMC7806887 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Image reconstruction through a multimode fiber with a simple neural network architecture.

Zhu Changyan C   Chan Eng Aik EA   Wang You Y   Peng Weina W   Guo Ruixiang R   Zhang Baile B   Soci Cesare C   Chong Yidong Y  

Scientific reports 20210113 1


Multimode fibers (MMFs) have the potential to carry complex images for endoscopy and related applications, but decoding the complex speckle patterns produced by mode-mixing and modal dispersion in MMFs is a serious challenge. Several groups have recently shown that convolutional neural networks (CNNs) can be trained to perform high-fidelity MMF image reconstruction. We find that a considerably simpler neural network architecture, the single hidden layer dense neural network, performs at least as  ...[more]

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