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Paper Abstract and Keywords
Presentation 2026-03-16 11:55
2D Shape Presentation using Pseudo-Pressure Induced by Rotational Shear Stimuli
Marika Takahashi, Yutaro Hirao, Monica Perusquia-Hernandez, Hideaki Uchiyama (NAIST), Yuichi Itoh (AGU), Kiyoshi Kiyokawa (NAIST) IMQ2025-33 IE2025-110 MVE2025-40
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the proliferation of flat-panel displays has led to an increase in smooth operating surfaces, creating a demand for intuitive information presentation technologies in environments where visual information is difficult to acquire. This study proposes a handheld device that converts image luminance information into tactile stimuli in real-time.
While conventional methods have explored converting luminance into height, challenges such as increased device size and response latency have persisted. To address these issues, we developed a compact and high-speed tactile interface by applying an illusory phenomenon in which horizontal skin deformation is perceived as vertical pressure.
Experimental evaluations using a $3 times 3$ micro-motor array demonstrated that the system latency was suppressed to approximately $22.7~mathrm{ms}$, and the generated pseudo-pressure exhibited logarithmic characteristics following the Weber-Fechner law. Furthermore, geometric shape identification experiments revealed perceptual characteristics where the easily recognizable line width varies depending on the orientation of the presented lines. The results also confirmed that geometric shapes can be identified through active exploration, even with a low-resolution $3 times 3$ array.
Keyword (in Japanese) (See Japanese page) 
(in English) Rotational Shear Skin Stretch / Haptic Interface / Pseudo-Haptic Pressure / Visuo-Tactile Translation / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 411, MVE2025-40, pp. 75-80, March 2026.
Paper # MVE2025-40 
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 IMQ2025-33 IE2025-110 MVE2025-40

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) 2D Shape Presentation using Pseudo-Pressure Induced by Rotational Shear Stimuli 
Sub Title (in English)  
Keyword(1) Rotational Shear Skin Stretch  
Keyword(2) Haptic Interface  
Keyword(3) Pseudo-Haptic Pressure  
Keyword(4) Visuo-Tactile Translation  
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1st Author's Name Marika Takahashi  
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)
3rd Author's Name Monica Perusquia-Hernandez  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Hideaki Uchiyama  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
5th Author's Name Yuichi Itoh  
5th Author's Affiliation Aoyama Gakuin University (AGU)
6th Author's Name Kiyoshi Kiyokawa  
6th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2026-03-16 11:55:00 
Presentation Time 20 minutes 
Registration for MVE 
Paper # IMQ2025-33, IE2025-110, MVE2025-40 
Volume (vol) vol.125 
Number (no) no.408(IMQ), no.410(IE), no.411(MVE) 
Page pp.75-80 
#Pages 6 
Date of Issue 2026-03-09 (IMQ, IE, MVE) 

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