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Paper Abstract and Keywords
Presentation 2025-06-02 11:54
Verification of the Sense of Co-agency through Synchronized Walking Animation during Group Walking in Virtual Environments
Yuki Yano, Kazu Miyakawa (NTT) HCS2025-29 HIP2025-29
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, with the development of metaverse technologies, opportunities for users in remote locations to gather in the same virtual space and communicate with each other have been increasing. However, the animations of other users' avatars in such virtual spaces do not always accurately reflect their actual situations or behaviors, which can cause a sense of mismatch. In this study, we focused on group walking scenarios where multiple users perform the same action, and aimed to examine the influence of differences in walking animations between a user and surrounding avatars on the user's sense of co-agency. To achieve this, we developed a system that controls the walking animations of other avatars based on the user's walking behavior. In the experiment, participants experienced group walking with avatars, and we conducted a subjective evaluation by comparing conditions where the walking cycles and timings of the avatars were synchronized with the user, and conditions where they were not. The results showed that synchronizing the walking animations of avatars—especially those located closest to the user—significantly improved the user's sense of presence and co-agency.
Keyword (in Japanese) (See Japanese page) 
(in English) Virtual Reality / Presence / Group walking / Sense of unity / Co-agency / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 46, HCS2025-29, pp. 143-148, June 2025.
Paper # HCS2025-29 
Date of Issue 2025-05-25 (HCS, HIP) 
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 HCS2025-29 HIP2025-29

Conference Information
Committee HIP HCS HI-SIGCOASTER  
Conference Date 2025-06-01 - 2025-06-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication Enhancing, Human Communications, and Human Information Processing 
Paper Information
Registration To HCS 
Conference Code 2025-06-HIP-HCS-SIGCOASTER 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Verification of the Sense of Co-agency through Synchronized Walking Animation during Group Walking in Virtual Environments 
Sub Title (in English)  
Keyword(1) Virtual Reality  
Keyword(2) Presence  
Keyword(3) Group walking  
Keyword(4) Sense of unity  
Keyword(5) Co-agency  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuki Yano  
1st Author's Affiliation Nippon telephone and telegraph corporation (NTT)
2nd Author's Name Kazu Miyakawa  
2nd Author's Affiliation Nippon telephone and telegraph corporation (NTT)
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Speaker Author-1 
Date Time 2025-06-02 11:54:00 
Presentation Time 18 minutes 
Registration for HCS 
Paper # HCS2025-29, HIP2025-29 
Volume (vol) vol.125 
Number (no) no.46(HCS), no.47(HIP) 
Page pp.143-148 
#Pages 6 
Date of Issue 2025-05-25 (HCS, HIP) 

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