A new approach for non-contact pulse transit time measurement using microwave and image sensors

This study proposes a new approach for non-contact based pulse transit time (PTT) measurement using microwave and image sensors. The microwave sensor detects heartbeats using reflected wave signal from a subject's chest, and the image sensor obtains pulse-arrival times using a subject's fa...

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Bibliographic Details
Published in2016 IEEE International Conference on Consumer Electronics (ICCE) pp. 333 - 334
Main Authors Yoshioka, Mototaka, Murakami, Kenta
Format Conference Proceeding Journal Article
LanguageEnglish
Japanese
Published IEEE 01.01.2016
Subjects
Cameras
Conferences
Electrocardiography
Heart beat
Image detection
Image sensors
Mathematical analysis
Microwave imaging
Microwave measurement
Microwave theory and techniques
Microwaves
Remote sensors
Sensors
Transit time
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Summary:This study proposes a new approach for non-contact based pulse transit time (PTT) measurement using microwave and image sensors. The microwave sensor detects heartbeats using reflected wave signal from a subject's chest, and the image sensor obtains pulse-arrival times using a subject's face image sequences. By temporally synchronizing these sensors, the proposed system calculates the time difference between a heartbeat and a pulse, thus allowing PTT to be remotely obtained. Using basic experiments conducted on six independent subjects, we were able to physically measure PTT (around 180 ms). Our results strongly indicated the potential viability for widespread use of the proposed method for non-contact-based PTT measurement.
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ISSN:2158-4001
DOI:10.1109/ICCE.2016.7430635