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Paper Abstract and Keywords
Presentation 2026-06-04 14:25
[Invited Lecture] Real time shape estimation using cable-free IMU array on a conductive fabric transmission line
Ryusei Miyakawa, Akihito Noda (KUT) SRW2026-4 MWPTHz2026-4
Abstract (in Japanese) (See Japanese page) 
(in English) In wearable sensing, research has been conducted on estimating three dimensional body shapes by networking multiple inertial measurement units (IMUs).
However, the use of numerous IMUs degrades wearability due to the need for individual batteries and complex wiring.
In this paper, we propose a shape reconstruction method using an IMU that eliminates the need for individual batteries and wiring by utilizing two-dimensional communication via conductive fabric to supply power and transmit data.
The communication protocol employs a token-passing scheme to avoid packet collisions, and we have implemented a pipelined processing method in which IMU data acquisition and quaternion conversion are performed while data is being transmitted from other IMUs.
This enabled shape reconstruction while maintaining a sampling rate of 50 Hz.
We evaluated the tracking performance and shape stability in response to dynamic changes through experiments using conductive fabric with IMUs arranged in a grid pattern.
Keyword (in Japanese) (See Japanese page) 
(in English) inertial measurement unit (IMU) / motion capture / two-dimensional communication / / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 55, SRW2026-4, pp. 13-17, June 2026.
Paper # SRW2026-4 
Date of Issue 2026-05-28 (SRW, MWPTHz) 
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 SRW2026-4 MWPTHz2026-4

Conference Information
Committee SRW MWPTHz  
Conference Date 2026-06-04 - 2026-06-05 
Place (in Japanese) (See Japanese page) 
Place (in English) NICT Innovation center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) MWPTHz, WLAN, WPAN, Ad-hoc, mmWave, THz, etc. 
Paper Information
Registration To SRW 
Conference Code 2026-06-SRW-MWPTHz 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Real time shape estimation using cable-free IMU array on a conductive fabric transmission line 
Sub Title (in English)  
Keyword(1) inertial measurement unit (IMU)  
Keyword(2) motion capture  
Keyword(3) two-dimensional communication  
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1st Author's Name Ryusei Miyakawa  
1st Author's Affiliation Kochi University of Technology (KUT)
2nd Author's Name Akihito Noda  
2nd Author's Affiliation Kochi University of Technology (KUT)
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Speaker Author-1 
Date Time 2026-06-04 14:25:00 
Presentation Time 25 minutes 
Registration for SRW 
Paper # SRW2026-4, MWPTHz2026-4 
Volume (vol) vol.126 
Number (no) no.55(SRW), no.56(MWPTHz) 
Page pp.13-17 
#Pages 5 
Date of Issue 2026-05-28 (SRW, MWPTHz) 

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