Non-Contact HR Monitoring via Smartphone and Webcam during Different Respiratory Maneuvers and Body Movements

Jowoon Chong, M. M. Shoushan, B. Reyes, Armando Rodriguez

Research output: Contribution to journalArticlepeer-review

Abstract

As a reliable indicator for individual's healthiness conditions, heart rate (HR) has been widely considered and used. Imaging photoplethysmography (iPPG) is recently highlighted as a promising HR measurement method, due to its non-contact characteristics, by extracting the HR from facial video recordings. In this study, we propose a camera-based HR monitoring technique that estimates HR information from iPPG signals extracted from a video sequence. Videos were recorded using a smartphone or a laptop camera. We adopted the plane-orthogonal-to-skin (POS) method to compute iPPG. The proposed method is evaluated by applying it to extract HR of 9 subjects at rest and during two motion conditions (lateral and frontal) while they were performing several respiratory maneuvers - spontaneous, metronome and forced. Automatic face detection algorithms were implemented in the proposed method. Our experimental results show that mean values of HR have error = 0.56% and accuracy = 99.44% when compare
Original languageEnglish
Pages (from-to)1-1
JournalDefault journal
StatePublished - 2020

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