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Monitoring heart activity using ultra-wideband radar

Title
Monitoring heart activity using ultra-wideband radar
Authors
Cho, Hui-SupChoi, ByeongdaePark, Young-Jin
DGIST Authors
Cho, Hui-Sup; Choi, Byeongdae; Park, Young-Jin
Issue Date
2019-08
Citation
Electronics Letters, 55(16), 878-880
Type
Article
Article Type
Article
Author Keywords
patient monitoringmedical signal processingultra wideband radarultra wideband communicationcardiologydigital filtersultra-wideband impulse radarheart rateradar pulseshuman bodyreflected pulsestime axisspecific time intervalsaccumulated pulsesheartbeat informationgreyscale imagesimilar patternsentire imagesignificant patternstiming informationpatterns appearmonitoring heart activityultra-wideband radar
ISSN
0013-5194
Abstract
This Letter focuses on extracting the heartbeat information using ultra-wideband impulse radar, and a new method that can extract not only the heart rate but also the timing of the heartbeat with high accuracy is proposed herein. As the first step towards achieving this goal, radar pulses are projected towards a human body, and the reflected pulses are accumulated along the time axis at specific time intervals. The accumulated pulses pass through a digital filter to reveal the heartbeat information and are converted to a greyscale image. A pattern that reflects the heartbeats is used as a template to find similar patterns in the entire image. After all the significant patterns are found, the timing information corresponding to the locations where the patterns appear is calculated, and this indicates the time when the heartbeats actually occur. From the experimental results, the authors confirmed that the proposed method could estimate the heart rate with high accuracy and extract the timing information of the heartbeats.
URI
http://hdl.handle.net/20.500.11750/10492
DOI
10.1049/el.2019.1438
Publisher
Institute of Electrical Engineers
Related Researcher
Files:
There are no files associated with this item.
Collection:
Division of Electronics & Information System1. Journal Articles


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