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Paper Abstract and Keywords
Presentation 2018-05-22 10:45
Measurement system for martial arts movement using spherical light reflective markers with elastic belts
Maki Nakamura (Ibaraki Univ. Health Sci./Univ. Tsukuba), Kiyoshi Hoshino (Univ. Tsukuba) HCS2018-21 HIP2018-21
Abstract (in Japanese) (See Japanese page) 
(in English) It is important for trainees to grasp their own tendency and features of motion objectively and quantitatively with no labor and effort when they practice striking and thrusting motions of swordplay such as Tankendo (close quarter combat with short bamboo sword). To fulfil the above requirement, it is desirable that the trainees are supported by a system for capturing and analyzing, which allows them to immediately use on the spot without changing clothes with almost no labor and effort, whenever necessary. Our study therefore suggests a system capable of capturing and analyzing the postures of articulated human motions in a sagittal plane using at most 4-color spherical light reflective markers through one camera. Our system consists of 4 primary-color spherical light reflective markers, elastic belts with markers, indications for marker wearing positions and one small-size high-speed camera (cell phone). The styrene foam marker is formed into a small-sized light sphere on a thin plastic seat. Some of the markers are attached directly to a user’s body by means of double-coated adhesive tape. Others, which have been previously fixed to the elastic belts, are attached to the body by wrapping around the trunk, head and extremities. The indications for marker wearing positions instruct the user what color of marker should be attached to what site of the body according to the colors and size of user’s clothes and the color combination of objects in the background, following a given flow chart.
Keyword (in Japanese) (See Japanese page) 
(in English) capturing and analyzing system / articulated human motions in a sagittal plane / light reflective markers / elastic belts / Tankendo / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 50, HIP2018-21, pp. 143-148, May 2018.
Paper # HIP2018-21 
Date of Issue 2018-05-14 (HCS, HIP) 
ISSN Print edition: ISSN 0913-5685    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 HCS2018-21 HIP2018-21

Conference Information
Committee HCS HIP HI-SIGCOASTER  
Conference Date 2018-05-21 - 2018-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication Enhancing and Human Communications 
Paper Information
Registration To HIP 
Conference Code 2018-05-HCS-HIP-SIGCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurement system for martial arts movement using spherical light reflective markers with elastic belts 
Sub Title (in English)  
Keyword(1) capturing and analyzing system  
Keyword(2) articulated human motions in a sagittal plane  
Keyword(3) light reflective markers  
Keyword(4) elastic belts  
Keyword(5) Tankendo  
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Keyword(7)  
Keyword(8)  
1st Author's Name Maki Nakamura  
1st Author's Affiliation Ibaraki Prefectural University of Health Sciences/University of Tsukuba (Ibaraki Univ. Health Sci./Univ. Tsukuba)
2nd Author's Name Kiyoshi Hoshino  
2nd Author's Affiliation University of Tsukuba (Univ. Tsukuba)
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Speaker Author-1 
Date Time 2018-05-22 10:45:00 
Presentation Time 25 minutes 
Registration for HIP 
Paper # HCS2018-21, HIP2018-21 
Volume (vol) vol.118 
Number (no) no.49(HCS), no.50(HIP) 
Page pp.143-148 
#Pages 6 
Date of Issue 2018-05-14 (HCS, HIP) 

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