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Paper Abstract and Keywords
Presentation 2022-03-04 17:55
Design of waveguide for abdominal fat thickness estimation and investigation of measurement simulation using numerical human body model
Yukiko Sawano, Takahiro Aoyagi (Tokyo Tech) EMCJ2021-80
Abstract (in Japanese) (See Japanese page) 
(in English) This research group aims to establish a measurement method by estimating abdominal fat mass using microwaves. In previous studies, S-parameter measurements were performed on a numerical human body model, and the possibility of estimating the abdominal fat area using machine learning was reported. Furthermore, it was shown that the estimation accuracy was improved by using more frequencies. However, the problem was that no demonstration experiment was conducted to determine whether the abdominal fat mass could be estimated using actual equipment or the human body. Therefore, in this report, in order to actually perform an abdominal fat mass estimation experiment, we designed a measurement system consisting of a coaxial waveguide converter, a tapered structure, and a perforated waveguide using an electromagnetic field simulator. Then, when the abdominal fat mass was estimated from the S-parameters obtained by simulation for a numerical human body model with different fat mass, the same tendency as the estimation by the previous studies was obtained. From these results, it was suggested that there is a possibility of fat mass estimation even in an experimental system that can be manufactured and a study using a numerical human body model that is close to reality. Actual measurement using the designed waveguide is a future task.
Keyword (in Japanese) (See Japanese page) 
(in English) abdominal fat mass estimation / metabolic syndrome / microwave measurement / waveguide / coaxial waveguide converter / numerical human body model / machine learning /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 403, EMCJ2021-80, pp. 37-41, March 2022.
Paper # EMCJ2021-80 
Date of Issue 2022-02-25 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 EMCJ2021-80

Conference Information
Committee MICT EMCJ  
Conference Date 2022-03-04 - 2022-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Healthcare and Medical Information Communication Technologies, EMC, etc 
Paper Information
Registration To EMCJ 
Conference Code 2022-03-MICT-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of waveguide for abdominal fat thickness estimation and investigation of measurement simulation using numerical human body model 
Sub Title (in English)  
Keyword(1) abdominal fat mass estimation  
Keyword(2) metabolic syndrome  
Keyword(3) microwave measurement  
Keyword(4) waveguide  
Keyword(5) coaxial waveguide converter  
Keyword(6) numerical human body model  
Keyword(7) machine learning  
Keyword(8)  
1st Author's Name Yukiko Sawano  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Takahiro Aoyagi  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2022-03-04 17:55:00 
Presentation Time 20 minutes 
Registration for EMCJ 
Paper # EMCJ2021-80 
Volume (vol) vol.121 
Number (no) no.403 
Page pp.37-41 
#Pages 5 
Date of Issue 2022-02-25 (EMCJ) 

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