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| Presentation | 2022-03-04 09:25 Improving Accuracy of Doppler Ultrasound Signal-based Fetal Heart Rate Estimation by Signal Quality Assessment based on Correlation between Contiguous Heartbeat Waveforms Natsuho Niida, Kohei Yamamoto, Tomoaki Ohtsuki (Keio Univ.), Kazunari Owada, Yutaka Matsui (Atom Medical Corp.)  MICT2021-102 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Fetal heart rate (FHR) can identify fetuses at risk, and it is essential to estimate FHR accurately. For non-invasive FHR estimation, the Doppler Ultrasound signal~(DUS)-based FHR estimation method has been investigated extensively. The mainstream of the DUS-based FHR estimation uses the autocorrelation function (ACF) of the envelope of DUS. However, the accuracy of FHR estimation tends to deteriorate when the signal quality is low. In this report, we propose a DUS-based FHR estimation method, which uses the ACF and assesses the signal quality based on the correlation between contiguous heartbeat waveforms. In the proposed method, we apply the ACF to the heartbeat signal extracted based on the spectrogram derived from the DUS. Next, we identify the heartbeat signal which has the low correlation coefficient and estimate FHR not using identified signals. Through the experiments, we confirmed that the proposed method archived higher accuracy of FHR estimation than the conventional method using the ACF of the envelope. As a result, our method improved the averaged absolute error (AAE) between the estimated and reference FHRs of the conventional method using the ACF of the envelope by 0.57 bpm at most. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Fetal heart rate / Doppler Ultrasound signal / Healthcare / Heartbeat detection / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 404, MICT2021-102, pp. 7-12, March 2022. | |
| Paper # | MICT2021-102 | |
| Date of Issue | 2022-02-25 (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 | MICT2021-102 |
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| 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 | MICT |
| Conference Code | 2022-03-MICT-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improving Accuracy of Doppler Ultrasound Signal-based Fetal Heart Rate Estimation by Signal Quality Assessment based on Correlation between Contiguous Heartbeat Waveforms |
| Sub Title (in English) | |
| Keyword(1) | Fetal heart rate |
| Keyword(2) | Doppler Ultrasound signal |
| Keyword(3) | Healthcare |
| Keyword(4) | Heartbeat detection |
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| 1st Author's Name | Natsuho Niida |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Kohei Yamamoto |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
| 3rd Author's Name | Tomoaki Ohtsuki |
| 3rd Author's Affiliation | Keio University (Keio Univ.) |
| 4th Author's Name | Kazunari Owada |
| 4th Author's Affiliation | Atom Medical Corporation (Atom Medical Corp.) |
| 5th Author's Name | Yutaka Matsui |
| 5th Author's Affiliation | Atom Medical Corporation (Atom Medical Corp.) |
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| Speaker | Author-1 |
| Date Time | 2022-03-04 09:25:00 |
| Presentation Time | 20 minutes |
| Registration for | MICT |
| Paper # | MICT2021-102 |
| Volume (vol) | vol.121 |
| Number (no) | no.404 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2022-02-25 (MICT) |
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