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Article

Movement Compensated Driver’s Respiratory Rate Extraction

Department of Electronic Engineering, Soongsil University, Seoul 06978, Korea
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Academic Editor: Alfio Dario Grasso
Appl. Sci. 2022, 12(5), 2695; https://doi.org/10.3390/app12052695
Received: 17 January 2022 / Revised: 22 February 2022 / Accepted: 2 March 2022 / Published: 4 March 2022
(This article belongs to the Section Electrical, Electronics and Communications Engineering)
In non-contact vital sign monitoring using radar, radar signal distorted by the surrounding unspecified factors is unsuitable for monitoring vital signs. In order to monitor vital signs accurately, it is essential to compensate for distortion of radar signals caused by surrounding environmental factors. In this paper, we propose a driver vital signal compensation method in driving situations, including the driver’s movements using a frequency-modulated continuous-wave (FMCW) radar. Driver’s movement is quantified from the radar signal and used to set a distortion signal compensation index to compensate for the signal distortion induced in the driving situation that the driver’s movement occurs. The experimental results show that the respiration rate estimated from the radar signal compensated through the proposed method is similar to the actual respiration rate than from the signal before calibration. These results confirm the possibility of using the proposed method in a non-statistic situation and effectiveness in estimating respiration rate reflecting human movement in monitoring vital signs using FMCW radar. View Full-Text
Keywords: FMCW radar; contactless driver monitoring; vital; respiration; movement; distortion; compensation FMCW radar; contactless driver monitoring; vital; respiration; movement; distortion; compensation
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MDPI and ACS Style

Yoo, Y.-K.; Shin, H.-C. Movement Compensated Driver’s Respiratory Rate Extraction. Appl. Sci. 2022, 12, 2695. https://doi.org/10.3390/app12052695

AMA Style

Yoo Y-K, Shin H-C. Movement Compensated Driver’s Respiratory Rate Extraction. Applied Sciences. 2022; 12(5):2695. https://doi.org/10.3390/app12052695

Chicago/Turabian Style

Yoo, Young-Keun, and Hyun-Chool Shin. 2022. "Movement Compensated Driver’s Respiratory Rate Extraction" Applied Sciences 12, no. 5: 2695. https://doi.org/10.3390/app12052695

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