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Paper Abstract and Keywords
Presentation 2023-07-28 15:05
Estimation of subjective fatigue level using heart rate variability and physical acceleration during indoor movement
Yuuya Okazaki, Seiya Kawamata, Yuukou Horita (Univ.of Toyama) IMQ2023-5 HIP2023-44
Abstract (in Japanese) (See Japanese page) 
(in English) Well-being is attracting increasing attention both in Japan and overseas as a term that expresses a state of mental, physical, and social satisfaction. Fatigue is considered to have a negative impact on well-being, so if we can estimate the quantified subjective degree of fatigue, it will lead to the development of technology to improve well-being. In this study, heart rate variability and physical acceleration during walking are acquired by a wearable device, and a subjective fatigue level estimation model is constructed using biological and exercise information. Furthermore, we verify the estimation accuracy of the estimation model and investigate significant feature quantities.
Keyword (in Japanese) (See Japanese page) 
(in English) Heart rate variability / Acceleration / Subjective fatigue / Regression analysis / Ensemble learning / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 140, HIP2023-44, pp. 9-14, July 2023.
Paper # HIP2023-44 
Date of Issue 2023-07-21 (IMQ, HIP) 
ISSN Online edition: ISSN 2432-6380
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 IMQ2023-5 HIP2023-44

Conference Information
Committee IMQ HIP  
Conference Date 2023-07-28 - 2023-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Satellite Campus, Sapporo City University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Media Quality and Human Information Processing 
Paper Information
Registration To HIP 
Conference Code 2023-07-IMQ-HIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of subjective fatigue level using heart rate variability and physical acceleration during indoor movement 
Sub Title (in English)
Keyword(1) Heart rate variability  
Keyword(2) Acceleration  
Keyword(3) Subjective fatigue  
Keyword(4) Regression analysis  
Keyword(5) Ensemble learning  
1st Author's Name Yuuya Okazaki  
1st Author's Affiliation University of Toyama (Univ.of Toyama)
2nd Author's Name Seiya Kawamata  
2nd Author's Affiliation University of Toyama (Univ.of Toyama)
3rd Author's Name Yuukou Horita  
3rd Author's Affiliation University of Toyama (Univ.of Toyama)
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Speaker Author-2 
Date Time 2023-07-28 15:05:00 
Presentation Time 25 minutes 
Registration for HIP 
Paper # IMQ2023-5, HIP2023-44 
Volume (vol) vol.123 
Number (no) no.139(IMQ), no.140(HIP) 
Page pp.9-14 
Date of Issue 2023-07-21 (IMQ, HIP) 

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