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Paper Abstract and Keywords
Presentation 2024-08-26 13:10
A Study on Image Restoration Algorithms Suitable for Implementation in Optical Analog Circuits
Taisei Kato (OU), Ryo Hayakawa (TUAT), Soma Furusawa, Kazunori Hayashi (KU), Youji Iiguni (OU) SIP2024-45
Abstract (in Japanese) (See Japanese page) 
(in English) Conventional electronic circuits rely on electrons as information carriers, whereas optical analog circuits currently under development utilize photons instead. Optical analog computing is a promising approach for low-latency and low-power computations such as vector-matrix multiplications. However, since signal amplification in optical analog circuits entails additive noise, we need to consider the effect of the noise for the computation with optical analog circuits. This study explores image restoration using total variation regularization via optical analog circuits. Specifically, we design the circuit structure for the image restoration with alternating direction method of multipliers (ADMM). Through computer simulations, we show that the noise in the image can be eliminated to some extent, even when the circuit noise at the amplifier is taken into account.
Keyword (in Japanese) (See Japanese page) 
(in English) optical analog circuits / image restoration / ADMM / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 162, SIP2024-45, pp. 7-12, Aug. 2024.
Paper # SIP2024-45 
Date of Issue 2024-08-19 (SIP) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SIP2024-45

Conference Information
Committee SIP  
Conference Date 2024-08-26 - 2024-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Fukui (Bunkyo Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal processing, etc. 
Paper Information
Registration To SIP 
Conference Code 2024-08-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Image Restoration Algorithms Suitable for Implementation in Optical Analog Circuits 
Sub Title (in English)  
Keyword(1) optical analog circuits  
Keyword(2) image restoration  
Keyword(3) ADMM  
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1st Author's Name Taisei Kato  
1st Author's Affiliation Osaka University (OU)
2nd Author's Name Ryo Hayakawa  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
3rd Author's Name Soma Furusawa  
3rd Author's Affiliation Kyoto University (KU)
4th Author's Name Kazunori Hayashi  
4th Author's Affiliation Kyoto University (KU)
5th Author's Name Youji Iiguni  
5th Author's Affiliation Osaka University (OU)
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Speaker Author-1 
Date Time 2024-08-26 13:10:00 
Presentation Time 20 minutes 
Registration for SIP 
Paper # SIP2024-45 
Volume (vol) vol.124 
Number (no) no.162 
Page pp.7-12 
#Pages 6 
Date of Issue 2024-08-19 (SIP) 

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