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| Presentation | 2021-03-05 14:25 Heart-rate-estimation with Discrete Wavelet Transform using mm-Wave Radar -- A Study of Adaptive Filtering to Suppress Harmonics -- Shunsuke Sato, Ryosuke Koyanaka, Yaokun Hu, Takeshi Toda (Nihon Univ.)  MICT2020-36 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, we used the millimeter-wave FMCW radar to acquire biological signals. After that, heartbeat signals were detected by using discrete wavelet transform and bandpass filter.Adaptive filtering was used to suppress the harmonics of respiration, which is a problem in this process. The experimental results showed that RMSE was improved from 0.05899 Hz to 0.04704 Hz. Then, SNR was improved from -31.155 dB to -28.467 dB. The frequency of breathing is used to generate the filter. However, if the data has a lot of noise, the generation of filters with appropriate frequencies and the improvement of SNR are limited. The SNR improvement was also limited when the subject's heart rate frequency was close to the harmonic frequency.In the future, we will investigate methods for reducing harmonics that are robust to noise and a wide range of heartbeat frequencies. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Discrete wavelet transform / FMCW radar / Heart rate / Respiration / Vital signs monitoring / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 421, MICT2020-36, pp. 15-20, March 2021. | |
| Paper # | MICT2020-36 | |
| Date of Issue | 2021-02-26 (MICT) | |
| 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 | MICT2020-36 |
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| Conference Information | |
| Committee | EMCJ MICT |
| Conference Date | 2021-03-05 - 2021-03-05 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MICT |
| Conference Code | 2021-03-EMCJ-MICT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Heart-rate-estimation with Discrete Wavelet Transform using mm-Wave Radar |
| Sub Title (in English) | A Study of Adaptive Filtering to Suppress Harmonics |
| Keyword(1) | Discrete wavelet transform |
| Keyword(2) | FMCW radar |
| Keyword(3) | Heart rate |
| Keyword(4) | Respiration |
| Keyword(5) | Vital signs monitoring |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shunsuke Sato |
| 1st Author's Affiliation | Nihon University (Nihon Univ.) |
| 2nd Author's Name | Ryosuke Koyanaka |
| 2nd Author's Affiliation | Nihon University (Nihon Univ.) |
| 3rd Author's Name | Yaokun Hu |
| 3rd Author's Affiliation | Nihon University (Nihon Univ.) |
| 4th Author's Name | Takeshi Toda |
| 4th Author's Affiliation | Nihon University (Nihon Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-03-05 14:25:00 |
| Presentation Time | 20 minutes |
| Registration for | MICT |
| Paper # | MICT2020-36 |
| Volume (vol) | vol.120 |
| Number (no) | no.421 |
| Page | pp.15-20 |
| #Pages | 6 |
| Date of Issue | 2021-02-26 (MICT) |
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