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Paper Abstract and Keywords
Presentation 2025-12-04 15:10
[Poster Presentation] Eye Movement Sensing During Eye Closure Using Optical Flow
Manami Ishibashi, Ippei Hattori, Mizuki Fukasawa, Yoshitaka Endo, Takuya Akashi (Okayama Univ.) MICT2025-30 MI2025-38
Abstract (in Japanese) (See Japanese page) 
(in English) Polysomnography (PSG), which is widely used for the diagnosis of sleep disorders, simultaneously records multiple biological signals to evaluate sleep stages. Currently, the determination of sleep stages still relies on manual scoring by medical workers, which requires long hours of analysis, and imposes a significant burden. In addition, the attachment of numerous sensors may interfere with the subject’s natural sleep. Rapid eye movements (REM) occurring during REM sleep are important indicators for classifying sleep stages. To distinguish them from slow eye movements observed during non-rapid eye movement (NREM) or wakefulness, measuring eye movement velocity with closed eyes is required. In this study, as a first step toward non-contact and non-invasive sleep stage estimation, we propose a method for sensing closed-eye movements using optical flow analysis.
Keyword (in Japanese) (See Japanese page) 
(in English) Eye Movement / Optical flow / Closed Eye / Rapid eye movement sleep / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 270, MI2025-38, pp. 5-6, Dec. 2025.
Paper # MI2025-38 
Date of Issue 2025-11-27 (MICT, MI) 
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 MICT2025-30 MI2025-38

Conference Information
Committee MICT MI  
Conference Date 2025-12-04 - 2025-12-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Okayama Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical imaging technology, healthcare and medical information communication technology, etc. 
Paper Information
Registration To MI 
Conference Code 2025-12-MICT-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Eye Movement Sensing During Eye Closure Using Optical Flow 
Sub Title (in English)  
Keyword(1) Eye Movement  
Keyword(2) Optical flow  
Keyword(3) Closed Eye  
Keyword(4) Rapid eye movement sleep  
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1st Author's Name Manami Ishibashi  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Ippei Hattori  
2nd Author's Affiliation Okayama University (Okayama Univ.)
3rd Author's Name Mizuki Fukasawa  
3rd Author's Affiliation Okayama University (Okayama Univ.)
4th Author's Name Yoshitaka Endo  
4th Author's Affiliation Okayama University (Okayama Univ.)
5th Author's Name Takuya Akashi  
5th Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2025-12-04 15:10:00 
Presentation Time 80 minutes 
Registration for MI 
Paper # MICT2025-30, MI2025-38 
Volume (vol) vol.125 
Number (no) no.269(MICT), no.270(MI) 
Page pp.5-6 
#Pages 2 
Date of Issue 2025-11-27 (MICT, MI) 

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