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Paper Abstract and Keywords
Presentation 2025-11-07 12:20
Optimal Solution Extraction through Sequential Time Series Processing for Stable Non-contact Heart Rate Measurement using Doppler Sensors
Naoki Torii, Yusuke Yano, Jianqing Wang (Nagoya Inst. of Tech.), Shinji Uebayashi (Chukyo Univ.) EMCJ2025-81
Abstract (in Japanese) (See Japanese page) 
(in English) This study aims to develop a stable method for non-contact heart rate measurement using a millimeter-wave Doppler sensor. In addition to conventional methods such as using a bandpass filter to remove respiratory components and creating a template waveform for extracting heart rate signal, we have proposed a method of variance-based optimal solution extraction through template matched time series waveform processing. The usefulness of the proposed method was verified through heart rate measurement experiments on adults at rest. It was found that the average relative RMSE between the measured heart rate and the reference obtained from the pulse wave was 2.5%, and the percentage of cases where the relative RMSE was 5% or less was 93.8%. The relative RMSE showed an average improvement of 8.2%, achieving a maximum improvement of 20.9% compared to the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) Millimeter wave Doppler sensor / Template matching / Heart rate measurement / Optimal solution extraction / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 230, EMCJ2025-81, pp. 54-58, Nov. 2025.
Paper # EMCJ2025-81 
Date of Issue 2025-10-31 (EMCJ) 
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)
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Conference Information
Committee EMCJ  
Conference Date 2025-11-07 - 2025-11-07 
Place (in Japanese) (See Japanese page) 
Place (in English) QUATEST3 (Ho Chi Minh, Vietnam) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC Joint Workshop 2025, Ho Chi Minh 
Paper Information
Registration To EMCJ 
Conference Code 2025-11-EMCJ 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optimal Solution Extraction through Sequential Time Series Processing for Stable Non-contact Heart Rate Measurement using Doppler Sensors 
Sub Title (in English)  
Keyword(1) Millimeter wave Doppler sensor  
Keyword(2) Template matching  
Keyword(3) Heart rate measurement  
Keyword(4) Optimal solution extraction  
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1st Author's Name Naoki Torii  
1st Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
2nd Author's Name Yusuke Yano  
2nd Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
3rd Author's Name Jianqing Wang  
3rd Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
4th Author's Name Shinji Uebayashi  
4th Author's Affiliation Chukyo University (Chukyo Univ.)
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Speaker Author-1 
Date Time 2025-11-07 12:20:00 
Presentation Time 20 minutes 
Registration for EMCJ 
Paper # EMCJ2025-81 
Volume (vol) vol.125 
Number (no) no.230 
Page pp.54-58 
#Pages 5 
Date of Issue 2025-10-31 (EMCJ) 

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