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Paper Abstract and Keywords
Presentation 2017-01-19 18:35
Reliability Evaluation of R-R Interval Measurement Status using the Electric Potential Characteristics of QRS Complex for Wearable ECG Devices
Kana Eguchi, Ryosuke Aoki, Kazuhiro Yoshida, Tomohiro Yamada (NTT) PRMU2016-140 MVE2016-31
Abstract (in Japanese) (See Japanese page) 
(in English) Electrocardiogram (ECG) captured by wearable ECG devices easily contains artifact because of the measurement faults. Since frequency characteristics of artifact are quite similar to the ones of R waves, it may cause R-R Interval (RRI) miscalculation. To enable accurate Heart Rate Variability (HRV) analysis in daily life, this paper proposes reliability evaluation method of RRI measurement status which uses the electric potential characteristics of QRS complex. The proposed method consists of two steps; discrimination of R wave measurement status, and reliability evaluation of RRI measurement status based on the combination of those results of two consecutive R waves. The results of the initial evaluation show that the proposed method has the potential to distinguish miscalculated RRIs. Moreover, time domain measures of HRV derived from the proposed RRI outlier exclusion method are more accurate than those derived from the conventional one. As a pilot test of the visualization, this paper reports the colored Lorenz plot which reflects RRI measurement status reliability.
Keyword (in Japanese) (See Japanese page) 
(in English) Wearable / Electrocardiogram(ECG) / Measurement fault / Electric potential / R-R Interval(RRI) / Heart Rate Variability(HRV) analysis / Reliability / Visualization  
Reference Info. IEICE Tech. Rep., vol. 116, no. 412, MVE2016-31, pp. 171-176, Jan. 2017.
Paper # MVE2016-31 
Date of Issue 2017-01-12 (PRMU, MVE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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 PRMU2016-140 MVE2016-31

Conference Information
Conference Date 2017-01-19 - 2017-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To MVE 
Conference Code 2017-01-PRMU-CVIM-MVE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reliability Evaluation of R-R Interval Measurement Status using the Electric Potential Characteristics of QRS Complex for Wearable ECG Devices 
Sub Title (in English)  
Keyword(1) Wearable  
Keyword(2) Electrocardiogram(ECG)  
Keyword(3) Measurement fault  
Keyword(4) Electric potential  
Keyword(5) R-R Interval(RRI)  
Keyword(6) Heart Rate Variability(HRV) analysis  
Keyword(7) Reliability  
Keyword(8) Visualization  
1st Author's Name Kana Eguchi  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Ryosuke Aoki  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Kazuhiro Yoshida  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Tomohiro Yamada  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker Author-1 
Date Time 2017-01-19 18:35:00 
Presentation Time 25 minutes 
Registration for MVE 
Paper # PRMU2016-140, MVE2016-31 
Volume (vol) vol.116 
Number (no) no.411(PRMU), no.412(MVE) 
Page pp.171-176 
Date of Issue 2017-01-12 (PRMU, MVE) 

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