Novel Method to Assess Endothelial Function via Monitoring of Perfusion Response to Local Heating by Imaging Photoplethysmography [PDF]
Sensors, 2022 Endothelial dysfunction is one of the most important markers of the risk of cardiovascular complications. This study is aimed to demonstrate the feasibility of imaging photoplethysmography to assess microcirculation response to local heating in order to ...
Alexei A. Kamshilin +7 more
doaj +4 more sources
Contactless Cardiovascular Assessment by Imaging Photoplethysmography: A Comparison with Wearable Monitoring [PDF]
Sensors, 2023 Despite the notable recent developments in the field of remote photoplethysmography (rPPG), extracting a reliable pulse rate variability (PRV) signal still remains a challenge.
Valerie A. A. van Es +3 more
doaj +4 more sources
Real-time realizable mobile imaging photoplethysmography [PDF]
Scientific Reports, 2022 Photoplethysmography imaging (PPGI) sensors have attracted a significant amount of attention as they enable the remote monitoring of heart rates (HRs) and thus do not require any additional devices to be worn on fingers or wrists.
Hooseok Lee +5 more
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A Survey of Photoplethysmography and Imaging Photoplethysmography Quality Assessment Methods
Applied Sciences, 2022 Photoplethysmography is a method to visualize the variation in blood volume within tissues with light. The signal obtained has been used for the monitoring of patients, interpretation for diagnosis or for extracting other physiological variables (e.g ...
Théo Desquins +3 more
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Contactless assessment of heart rate in neonates within a clinical environment using imaging photoplethysmography [PDF]
Frontiers in PediatricsIntroductionIn neonatology, the accurate determination of vital parameters plays a pivotal role in monitoring critically ill newborns and premature infants, as well as aiding in disease diagnosis.
Libor Svoboda +4 more
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Frame Registration for Motion Compensation in Imaging Photoplethysmography [PDF]
Sensors, 2018 Imaging photoplethysmography (iPPG) is an emerging technology used to assess microcirculation and cardiovascular signs by collecting backscattered light from illuminated tissue using optical imaging sensors.
Dmitry Iakovlev +2 more
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Imaging photoplethysmography reveals differences in the reactions of cerebral and systemic hemodynamics to infusion of vasoactive drugs [PDF]
Frontiers in PhysiologyIntroductionAccording to the recent data, imaging photoplethysmography has extensive capabilities in clinical and experimental biomedical research. However, relationship between local vasomotor reactions, estimated as fluctuations of the amplitude of ...
Alexey Y. Sokolov +8 more
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State-dependent facial pulsation asymmetry and phase asynchrony measured by imaging photoplethysmography and their coupling with contingent negative variation in migraine [PDF]
Frontiers in NeurologyObjectiveTo characterize imaging photoplethysmography (iPPG)-derived facial hemodynamic alterations across migraine states and examine their association with contingent negative variation (CNV), an electroencephalography-derived marker of anticipatory ...
Huanyu Li +9 more
doaj +2 more sources
Applied Sciences, 2020 Imaging photoplethysmography (iPPG) is a contact-free monitoring of the cutaneous blood volume pulse by RGB (red-green-blue) cameras. It detects vital parameters from skin areas and is associated to cutaneous perfusion. This study investigated the use of
Imre Kukel +6 more
doaj +3 more sources
Non-contact alcohol detection in mice using an imaging photoplethysmography (IPPG) system [PDF]
Scientific ReportsWe report on a method to determine whether alcohol has been consumed using camera-based, non-contact imaging photoplethysmography (IPPG) technology. IPPG signals were collected using a visible-band CMOS camera and a 520 nm light-emitting diode (LED). The
Jea Young Choi +2 more
doaj +2 more sources