Light and Displacement Compensation-Based iPPG for Heart-Rate Measurement in Complex Detection Conditions [PDF]
SensorsA light and displacement-compensation-based iPPG algorithm is proposed in this paper for heart-rate measurement in complex detection conditions. Two compensation sub-algorithms, including light compensation and displacement compensation, are designed and
Wang Haipeng, Shubo Bi
exaly +4 more sources
Postoperative discomfort following inverted periosteal pedicle graft versus subepithelial connective tissue graft for treating gingival recession RT1 & RT2: a randomized clinical trial [PDF]
Maxillofacial Plastic and Reconstructive SurgeryBackground Despite being the most predictable root coverage technique, coronally advanced flap with subepithelial connective tissue graft (CAF + SCTG) necessitates graft harvesting from a second surgical site; increasing patient’s post-operative ...
Marwa Elsayed +3 more
doaj +2 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
Advancing intraoperative cerebral blood flow monitoring: integrating imaging photoplethysmography and laser speckle contrast imaging in neurosurgery [PDF]
Frontiers of OptoelectronicsIntraoperative 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 ...
Alexei A. Kamshilin +12 more
doaj +2 more sources
Multi-wavelength imaging photoplethysmography for non-invasive and non-contact assessment of burn severity [PDF]
Scientific ReportsWe 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
Deep Learning-Based Non-Contact IPPG Signal Blood Pressure Measurement Research
Sensors, 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.
Jing-Wei Chen, Zehui Chen
exaly +3 more sources
An iPPG-Based Device for Pervasive Monitoring of Multi-Dimensional Cardiovascular Hemodynamics
Sensors, 2021 Hemodynamic activities, as an essential measure of physiological and psychological characteristics, can be used for cardiovascular and cerebrovascular disease detection.
Jingjing Luo, Yu-Zhu Guo
exaly +3 more sources
A novel approach for contactless heart rate monitoring from pet facial videos [PDF]
Frontiers in Veterinary ScienceIntroductionMonitoring 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.
Renjie Hu +4 more
doaj +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]
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
Local heating induces an increase in the pulse wave velocity in peripheral vessels [PDF]
Scientific ReportsAccurate assessment of peripheral microcirculation is of great importance for wide range of clinical applications, from routine clinical examinations to patient monitoring in the operation room.
Alexei A. Kamshilin +10 more
doaj +2 more sources