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conference paper

Deep Neural Networks for seeing through multimode fibers

Kakkava, Eirini  
•
Borhani, Navid  
•
Moser, Christophe  
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January 1, 2019
High-Speed Biomedical Imaging And Spectroscopy Iv
Conference on High-Speed Biomedical Imaging and Spectroscopy IV

Image delivery through multimode fibers (MMFs) suffers from modal scrambling which results in a speckle pattern at the fiber output. In this work, we use Deep Neural Networks (DNNs) for recovery and/or classification of the input image from the intensity-only images of the speckle patterns at the distal end of the fiber. We train the DNNs using 16,000 images of handwritten digits of the MNIST database and we test the accuracy of classification and reconstruction on another 2,000 new digits. Very positive results and robustness were observed for up to 1 km long MMF showing 90% reconstruction fidelity. The classification accuracy of the system for different inputs (phase-only, amplitude-only, hologram intensity etc.) to the DNN classifier was also tested.

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Type
conference paper
DOI
10.1117/12.2509934
Web of Science ID

WOS:000473549800011

Author(s)
Kakkava, Eirini  
Borhani, Navid  
Moser, Christophe  
Psaltis, Demetri  
Date Issued

2019-01-01

Publisher

SPIE-INT SOC OPTICAL ENGINEERING

Publisher place

Bellingham

Published in
High-Speed Biomedical Imaging And Spectroscopy Iv
ISBN of the book

978-1-5106-2421-4

Series title/Series vol.

Progress in Biomedical Optics and Imaging

Volume

10889

Start page

108891A

Subjects

Engineering, Biomedical

•

Optics

•

Engineering

•

fiber optic imaging

•

deep neural networks

•

image classification

•

image reconstruction

•

endoscopy

•

microscopy

•

images

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LO  
LAPD  
Event nameEvent placeEvent date
Conference on High-Speed Biomedical Imaging and Spectroscopy IV

San Francisco, CA

Feb 02-03, 2019

Available on Infoscience
July 17, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/159148
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