Imaging Photoplethysmography (iPPG) in Head and Neck Reconstructive Surgery: A Novel Technique for Noninvasive Flap Perfusion Monitoring. [PDF]
Lasers Surg MedABSTRACT Background Evaluate imaging photoplethysmography (iPPG) as a novel noninvasive technique to assess flap perfusion in head and neck free flap reconstructive (FFR) surgeries. Methods Intraoperative iPPG was performed in 17 patients undergoing FFR surgery.
van der Stel SD +9 more
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Contactless Cardiovascular Assessment by Imaging Photoplethysmography: A Comparison with Wearable Monitoring. [PDF]
Sensors (Basel), 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.
van Es VAA +3 more
europepmc +4 more sources
Deep Learning-Based Non-Contact IPPG Signal Blood Pressure Measurement Research. [PDF]
Sensors (Basel), 2023 In this paper, a multi-stage deep learning blood pressure prediction model based on imaging photoplethysmography (IPPG) signals is proposed to achieve accurate and convenient monitoring of human blood pressure.
Cheng H, Xiong J, Chen Z, Chen J.
europepmc +2 more sources
Advancing intraoperative cerebral blood flow monitoring: integrating imaging photoplethysmography and laser speckle contrast imaging in neurosurgery. [PDF]
Front OptoelectronIntraoperative assessment of cerebral hemodynamics is crucial for the success of neurosurgical interventions. This study evaluates the potential of laser speckle contrast imaging (LSCI) and imaging photoplethysmography (IPPG) for contactless perfusion ...
Kamshilin AA +12 more
europepmc +2 more sources
Non-contact alcohol detection in mice using an imaging photoplethysmography (IPPG) system. [PDF]
Sci RepWe 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
Choi JY, Kim K, Eom JB.
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Robust Imaging Photoplethysmography in Long-Distance Motion
IEEE Photonics Journal, 2020 Imaging photoplethysmography (IPPG) enables contactless physiological parameters monitoring using a regular video camera, which led to an increasing interest in video health monitoring.
Yuheng Wu, Mei Hui, Lingqin Kong
exaly +3 more sources
A novel approach for contactless heart rate monitoring from pet facial videos. [PDF]
Front Vet SciIntroductionMonitoring the heart rate (HR) of pets is challenging when contact with a conscious pet is inconvenient, difficult, injurious, distressing, or dangerous for veterinarians or pet owners.
Hu R, Gao Y, Peng G, Yang H, Zhang J.
europepmc +2 more sources
State-dependent facial pulsation asymmetry and phase asynchrony measured by imaging photoplethysmography and their coupling with contingent negative variation in migraine. [PDF]
Front NeurolObjectiveTo 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 ...
Li H +8 more
europepmc +2 more sources
Noninvasive Non-Contact SpO2 Monitoring Using an Integrated Polarization-Sensing CMOS Imaging Sensor. [PDF]
Sensors (Basel), 2022 Background:In the diagnosis and primary health care of an individual, estimation of the pulse rate and blood oxygen saturation (SpO2) is critical. The pulse rate and SpO2 are determined by methods including photoplethysmography (iPPG), light spectroscopy,
Sarkar M, Assaad M.
europepmc +2 more sources
Multi-wavelength imaging photoplethysmography for non-invasive and non-contact assessment of burn severity. [PDF]
Sci RepWe report a non-contact burn severity assessment system using the image-based photoplethysmography (IPPG) technique by fabricating a multi-wavelength imaging system.
Park YR, Eom JB.
europepmc +2 more sources