Results 11 to 20 of about 1,748,185 (170)

Assessment of cerebral circulation through an intact skull using imaging photoplethysmography [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2021
The feasibility of assessing the parameters of cerebral hemodynamics without skull trepanation using imaging photoplethysmography with illumination in the near-infrared spectrum range was demonstrated for the first time.
Maxim A. Volynsky   +6 more
doaj   +3 more sources

Using imaging photoplethysmography for heart rate estimation in non-human primates. [PDF]

open access: yesPLoS ONE, 2018
For humans and for non-human primates heart rate is a reliable indicator of an individual's current physiological state, with applications ranging from health checks to experimental studies of cognitive and emotional state.
Anton M Unakafov   +5 more
doaj   +2 more sources

Innovative approaches in imaging photoplethysmography for remote blood oxygen monitoring [PDF]

open access: yesScientific Reports
Peripheral Capillary Oxygen Saturation (SpO2) has received increasing attention during the COVID-19 pandemic. Clinical investigations have demonstrated that individuals afflicted with COVID-19 exhibit notably reduced levels of SpO2 before the ...
Shangwei Zhu   +4 more
doaj   +2 more sources

Correction: Using imaging photoplethysmography for heart rate estimation in non-human primates. [PDF]

open access: yesPLoS ONE, 2019
[This corrects the article DOI: 10.1371/journal.pone.0202581.].
Anton M Unakafov   +5 more
doaj   +2 more sources

Multi-wavelength imaging photoplethysmography for non-invasive and non-contact assessment of burn severity [PDF]

open access: yesScientific Reports
We report a non-contact burn severity assessment system using the image-based photoplethysmography (IPPG) technique by fabricating a multi-wavelength imaging system.
You-rim Park, Joo Beom Eom
doaj   +2 more sources

Novel capsaicin-induced parameters of microcirculation in migraine patients revealed by imaging photoplethysmography [PDF]

open access: yesThe Journal of Headache and Pain, 2018
Background The non-invasive biomarkers of migraine can help to develop the personalized medication of this disorder. In testing of the antimigraine drugs the capsaicin-induced skin redness with activated TRPV1 receptors in sensory neurons associated with
Alexei A. Kamshilin   +7 more
doaj   +2 more sources

Feasibility of imaging photoplethysmography [PDF]

open access: yes, 2008
Contact and spot measurement have limited the application of photoplethysmography (PPG), thus an imaging PPG system comprising a digital CMOS camera and three wavelength light-emitting diodes (LEDs) is developed to detect the blood perfusion in tissue ...
Sijung Hu (1250727)   +3 more
core   +8 more sources

A low-cost three-wavelength illumination system for camera-based photoplethysmography imaging [PDF]

open access: yesHardwareX
This paper presents the design and implementation of a low-cost, reliable three-wavelength (3-λ) illumination device intended for photoplethysmography imaging (PPGI) measurements.
Michal Labuda   +3 more
doaj   +2 more sources

Application of imaging photoplethysmography in surgical procedures: A review article

open access: yesAsian Journal of Surgery
Imaging photoplethysmography (iPPG) is an emerging non-invasive monitoring technology that has gained significant attention in recent years due to its numerous advantages, including safety, simplicity, and cost-effectiveness.
Xuan Qiu   +5 more
doaj   +3 more sources

Assessment of spatiotemporal heterogeneity of two-dimensional images on the example of photoplethysmograpic imaging of hemodynamics [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2023
Background and Objectives: The problem of representation of multidimensional data on a two-dimensional plane arises during the processing of a series of two-dimensional images in the spatiotemporal and time-frequency domains.
Sagaidachnyi, Andrey Aleksandrovich   +7 more
doaj   +1 more source

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