Unconstrained Accurate Beat-to-beat Heart Rate Extraction Based on Piezoelectric Ceramics Sensor

Zhen FANG; Zhongrui BAI; Xianxiang CHEN; Pan XIA; Zhengling HE; Rongjian ZHAO

doi:10.11999/JEIT200045

Volume 43 Issue 5

May 2021

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Article Navigation > Journal of Electronics & Information Technology > 2021 > 43(5): 1472-1479

Zhen FANG, Zhongrui BAI, Xianxiang CHEN, Pan XIA, Zhengling HE, Rongjian ZHAO. Unconstrained Accurate Beat-to-beat Heart Rate Extraction Based on Piezoelectric Ceramics Sensor[J]. Journal of Electronics & Information Technology, 2021, 43(5): 1472-1479. doi: 10.11999/JEIT200045

Citation:

Zhen FANG, Zhongrui BAI, Xianxiang CHEN, Pan XIA, Zhengling HE, Rongjian ZHAO. Unconstrained Accurate Beat-to-beat Heart Rate Extraction Based on Piezoelectric Ceramics Sensor[J]. Journal of Electronics & Information Technology, 2021, 43(5): 1472-1479. doi: 10.11999/JEIT200045

Citation:

Zhen FANG, Zhongrui BAI, Xianxiang CHEN, Pan XIA, Zhengling HE, Rongjian ZHAO. Unconstrained Accurate Beat-to-beat Heart Rate Extraction Based on Piezoelectric Ceramics Sensor[J]. Journal of Electronics & Information Technology, 2021, 43(5): 1472-1479. doi: 10.11999/JEIT200045

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Unconstrained Accurate Beat-to-beat Heart Rate Extraction Based on Piezoelectric Ceramics Sensor

doi: 10.11999/JEIT200045 cstr: 32379.14.JEIT200045

Zhen FANG^{1, 2
,
,},
Zhongrui BAI^{1, 2},
Xianxiang CHEN¹,
Pan XIA^{1, 2},
Zhengling HE²,
Rongjian ZHAO¹

1.
Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
2.
School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Funds: The National Key Research and Development Project (2016YFC1304302, 2018YFC2001802, 2018YFC2001101)

Received Date: 2020-01-13
Rev Recd Date: 2020-11-30

Available Online: 2020-12-04

Publish Date: 2021-05-18

Abstract

Abstract

BallistoCardioGram (BCG) can be used for contactless detection of vital signs. In BCG’s beat-to-beat heart rate extraction, the lower mean absolute error is of great significance for accurately obtaining the user’s Heart Rate Variability (HRV) indicators. In order to solve the shortcomings in the accuracy of beat-to-beat heart rate calculation of most current methods, a BCG acquisition system based on piezoelectric ceramics sensor is designed in this paper. By adopting a suitable structure for the sensor‘s shell and a suitable sampling frequency, the sensitivity of the sensor and the time resolution of the BCG signal are increased. Through the analysis of BCG, the most suitable components in BCG is found to extract beat by beat cardiac cycle. At the same time, this paper proposes an adaptive template matching algorithm using AP clustering to extract accurately cardiac cycle information. Analysis of the data of 5741 heartbeats of 15 subjects shows that the average error of the beat-to-beat heartbeat cycle is 0.48%, the Mean Absolute Error (MAE) is 3.78 ms, and the heartbeat coverage is above 95%, which is better than other similar work.
- BallistoCardioGram (BCG),
- Piezoelectric ceramic sensor,
- Beat-to-beat heart rate,
- Mean Absolute Error (MAE)

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References(19)

References

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