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Paper Abstract and Keywords
Presentation 2025-08-01 10:35
Development of an Ambiguous Emotion Tracking System Using a Smartwatch and Analysis of Hesitation Time
Takahiro Ueno (Fukuyama Univ.) SeMI2025-40
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, self-stigma has become a major barrier to effective self-monitoring in mental health care, making it difficult to achieve early detection and timely intervention for mental health problems. In this study, we developed an emotion tracking system for smartwatches that allows users to record their emotional states in daily life while reducing self-stigma by using ambiguous expressions. In addition, we examined the effectiveness of using "hesitation time" during emotion input as an objective behavioral indicator to capture psychological indecision and fluctuation. We conducted an experiment with 44 participants, in which they entered their emotions using three categories (○, ?, ×), and we measured and analyzed both hesitation time and subjective feelings of hesitation. As a result, a significant correlation was found between hesitation time and subjective evaluation, especially when ambiguous emotion ("?") was selected. These findings suggest that ambiguous emotions may be useful as behavioral indicators reflecting psychological indecision and fluctuation. In the future, we plan to incorporate physiological data and conduct long-term monitoring in order to further develop practical mental health support.
Keyword (in Japanese) (See Japanese page) 
(in English) Emotion tracking / Smartwatch / Hesitation time / Self-stigma / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 135, SeMI2025-40, pp. 104-108, July 2025.
Paper # SeMI2025-40 
Date of Issue 2025-07-23 (SeMI) 
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)
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Conference Information
Committee SR RCS RCC SeMI NS RISING HCL  
Conference Date 2025-07-30 - 2025-08-01 
Place (in Japanese) (See Japanese page) 
Place (in English) MALIOS 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SeMI 
Conference Code 2025-07-SR-RCS-RCC-SeMI-NS-RISING-HCL 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of an Ambiguous Emotion Tracking System Using a Smartwatch and Analysis of Hesitation Time 
Sub Title (in English)  
Keyword(1) Emotion tracking  
Keyword(2) Smartwatch  
Keyword(3) Hesitation time  
Keyword(4) Self-stigma  
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1st Author's Name Takahiro Ueno  
1st Author's Affiliation Fukuyama University (Fukuyama Univ.)
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Speaker Author-1 
Date Time 2025-08-01 10:35:00 
Presentation Time 25 minutes 
Registration for SeMI 
Paper # SeMI2025-40 
Volume (vol) vol.125 
Number (no) no.135 
Page pp.104-108 
#Pages 5 
Date of Issue 2025-07-23 (SeMI) 

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