Results 11 to 20 of about 1,600 (150)

GRGB rPPG: An Efficient Low-Complexity Remote Photoplethysmography-Based Algorithm for Heart Rate Estimation [PDF]

open access: yesBioengineering, 2023
Remote photoplethysmography (rPPG) is a promising contactless technology that uses videos of faces to extract health parameters, such as heart rate. Several methods for transforming red, green, and blue (RGB) video signals into rPPG signals have been ...
Fridolin Haugg   +2 more
doaj   +2 more sources

Performance Evaluation of rPPG Approaches with and without the Region-of-Interest Localization Step [PDF]

open access: yesApplied Sciences, 2021
Traditionally, the first step in physiological measurements based on remote photoplethysmography (rPPG) is localizing the region of interest (ROI) that contains a desired pulsatile information. Recently, approaches that do not require this step have been
Žan Pirnar   +2 more
doaj   +2 more sources

Feasibility of Drone-Mounted Camera for Real-Time MA-rPPG in Smart Mirror Systems

open access: yesApplied Sciences
Remote photoplethysmography (rPPG) enables contactless estimation of cardiovascular signals from video, but most existing studies assume a fixed, stationary camera.
Mohammad Afif Kasno   +2 more
doaj   +2 more sources

Comparative Analysis of Color Models for improved rPPG Signals in Remote Blood Pressure Measurement

open access: yesCurrent Directions in Biomedical Engineering
The quality of remote photoplethysmography (rPPG) signals presents a significant challenge in contactless optical blood pressure measurement. Feature and morphologybased approaches heavily rely on subtle changes in signal characteristics, but rPPG ...
Wuerich Carolin   +3 more
doaj   +2 more sources

Balancing cardiac privacy with quality in video recordings [PDF]

open access: yesCommunications Medicine
Background Remote photoplethysmography (rPPG) is a technique that extracts physiological signals, such as heart rate, from facial videos using standard Red-Green-Blue cameras.
Mohamed Elgendi   +3 more
doaj   +2 more sources

Demographic bias in public remote photoplethysmography datasets [PDF]

open access: yesnpj Digital Medicine
Remote photoplethysmography (rPPG) is gaining traction for non-contact heart rate estimation, yet most publicly available datasets are demographically biased.
Maksym Bondarenko   +2 more
doaj   +2 more sources

A Flexible Framework for Design and Validation of rPPG Methods

open access: yesIEEE Access
Over the past decade, Remote Photoplethysmography (rPPG) has emerged as an unobtrusive alternative to wearable sensors for measuring physiological signals, such as heart rate.
Ilyas Dawoodjee, Ali Ghahramani
doaj   +2 more sources

Camera-Derived Photoplethysmography (rPPG) and Speckle Plethysmography (rSPG): Comparing Reflective and Transmissive Mode at Various Integration Times Using LEDs and Lasers

open access: yesSensors, 2022
Background: Although both speckle plethysmography (SPG) and photoplethysmography (PPG) examine pulsatile changes in the vasculature using opto-electronics, PPG has a long history, whereas SPG is relatively new and less explored. The aim of this study was
Jorge Herranz Olazábal   +3 more
doaj   +1 more source

Monitoring of Tissue Perfusion During Arterial Occlusion With Remote Photoplethysmographic Imaging. [PDF]

open access: yesJ Biophotonics
This study evaluated remote photoplethysmography for tracking perfusion during arterial occlusion while assessing cuff pressure and placement. Similar local responses were observed across pressures and locations, supporting rPPG as a perfusion‐monitoring tool and establishing 150 mmHg lower‐arm occlusion as a standardized protocol.
DeVos L, Saiko G, Dvekar V, Douplik A.
europepmc   +2 more sources

Validity and Reliability of the Heart Rate Matching Task: A Novel Measure of Heart Rate Estimation. [PDF]

open access: yesPsychophysiology
ABSTRACT Sensing and monitoring changes in our heart rate is a key aspect of interoception. We introduce and test the construct validity of the Heart Rate Matching task (HRM), a novel, fast and accessible task designed to assess the ability to estimate heart rate, in both remote (i.e., online) and in‐lab settings.
Moffatt JA   +3 more
europepmc   +2 more sources

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