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Paper Abstract and Keywords
Presentation 2026-03-17 09:20
HandyKey4VR: Proposal of a grip-type haptic device for text and gesture input in VR space
Haruto Wakayama, Yutaro Hirao, Monica Perusquia-Hernandez, Hideaki Uchiyama, Kiyoshi Kiyokawa (NAIST) IMQ2025-64 IE2025-141 MVE2025-71
Abstract (in Japanese) (See Japanese page) 
(in English) Achieving both text input and gesture expression in VR space is an important challenge. Existing methods lack a sense of touch, cause physical fatigue, and impose operational limitations. Conventional wearable devices also face trade-offs, such as a lack of physical tactile sensation, physical fatigue, and limitations on physical expression. In this study, we propose a grip-type haptic device called "HandyKey4VR" that solves these issues. This device features five unique touch-sensor-integrated key switches on each side (10 in total) that detect three states of each finger: contact, press, and release. This enables text input with a typing feel and gesture expression in any position. Furthermore, decoding processing using an N-gram language model enables low-learning-cost input using only 10 key switches, utilizing QWERTY fingering. Evaluation experiments showed that the average reaction time for gesture input was 1357.9 ms, significantly shorter than with a standard controller, and the text input speed was 10.63 WPM, comparable to existing methods. The SUS score was 71.35, which is considered "good," confirming its effectiveness as a means of smooth communication in virtual space.
Keyword (in Japanese) (See Japanese page) 
(in English) Text Entry / Virtual Reality / Haptic device / Wearable / Haptics / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 411, MVE2025-71, pp. 255-260, March 2026.
Paper # MVE2025-71 
Date of Issue 2026-03-09 (IMQ, IE, MVE) 
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 IMQ2025-64 IE2025-141 MVE2025-71

Conference Information
Committee CQ MVE IMQ IE  
Conference Date 2026-03-16 - 2026-03-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-Sangyoushien-Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MVE 
Conference Code 2026-03-CQ-MVE-IMQ-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) HandyKey4VR: Proposal of a grip-type haptic device for text and gesture input in VR space 
Sub Title (in English)  
Keyword(1) Text Entry  
Keyword(2) Virtual Reality  
Keyword(3) Haptic device  
Keyword(4) Wearable  
Keyword(5) Haptics  
Keyword(6)  
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Keyword(8)  
1st Author's Name Haruto Wakayama  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Yutaro Hirao  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST) (NAIST)
3rd Author's Name Monica Perusquia-Hernandez  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST) (NAIST)
4th Author's Name Hideaki Uchiyama  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST) (NAIST)
5th Author's Name Kiyoshi Kiyokawa  
5th Author's Affiliation Nara Institute of Science and Technology (NAIST) (NAIST)
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Speaker Author-1 
Date Time 2026-03-17 09:20:00 
Presentation Time 20 minutes 
Registration for MVE 
Paper # IMQ2025-64, IE2025-141, MVE2025-71 
Volume (vol) vol.125 
Number (no) no.408(IMQ), no.410(IE), no.411(MVE) 
Page pp.255-260 
#Pages 6 
Date of Issue 2026-03-09 (IMQ, IE, MVE) 

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