A remote PPG based approach for heart rate estimation
437 viewsDOI:
https://doi.org/10.54939/1859-1043.j.mst.79.2022.31-40Keywords:
Heart rate estimation; Non-contact heart rate mornitoring; PPG; Face recognition; Real face detection, Camera-based contactless PPG.Abstract
Heart rate (HR) estimation is an essential physiological process in the field of biosignal analysis. Recently, remote Photoplethysmography (rPPG) is a pathbreaking development in this field wherein the PPG signal is extracted from non-contact face videos. This study, aiming at building a low cost rPPG system for both heart rate estimation and detecting real face, proposes a non-contact, automatic technique of heart rate measurement from video based on the signal processing techniques. The heart rate is remotely measured from a video recording of a person's face using the camera from a smartphone. At the same time, the heart rate extracted from the videos recorded by a smartphone camera is compared with the data obtained from the PPG optical absorption sensor and achieved a similar result. The system can estimate the heart rates from faces from single subject or multiple participants, and can be applied for anti spoofing face recognition.
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