Key result
Remote photoplethysmography (rPPG) allows for unobtrusive sensing of heart rate and peripheral oxygen saturation, though specific quantitative outcomes were not reported in this review abstract.
Why the study?
Heart rate and SpO2 are usually measured through obtrusive contact-based methods, whereas remote photoplethysmography enables unobtrusive sensing of these vital signs.
This review summarizes the processes, techniques, and available systems for remote photoplethysmography (rPPG) to measure heart rate and peripheral oxygen saturation unobtrusively.
Usually measured through obtrusive contact-based methods, heart rate (HR) and peripheral oxygen saturation (SpO2) are critical physiological signs used by clinicians during emergency interventions. Remote photoplethysmography (rPPG) allows for unobtrusive sensing of these vital signs for health monitoring in various settings. We present a review of rPPG-related research conducted including related processes and techniques, such as regions of interest (ROI) selection, extracting the raw signal, preprocessing data, applying noise reduction algorithms, fast Fourier transforms (FFTs), and filtering and extracting these vital signs. Furthermore, we present a detailed, critical evaluation of available rPPG systems. Limitations and future directions have also been identified to further advance this field.
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Pirzada et al. (2024) reported a review. Remote photoplethysmography (rPPG) was evaluated. Remote photoplethysmography (rPPG) allows for unobtrusive sensing of heart rate and peripheral oxygen saturation, though specific quantitative outcomes were not reported in this review abstract.
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