Results 1 to 10 of about 1,871 (134)
Estimating Resting HRV during fMRI: A Comparison between Laboratory and Scanner Environment [PDF]
Sensors, 2021 Heart rate variability (HRV) is regularly assessed in neuroimaging studies as an indicator of autonomic, emotional or cognitive processes. In this study, we investigated the influence of a loud and cramped environment during magnetic resonance imaging ...
Andy Schumann +2 more
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MC-MED, multimodal clinical monitoring in the emergency department [PDF]
Scientific DataEmergency Department (ED) patients often present with undiagnosed complaints, and can exhibit rapidly evolving physiology. Therefore, data from continuous physiologic monitoring, in addition to the electronic health record, is essential to understand the
Aman Kansal +4 more
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Detection and characterization of physiological network interactions in pulsatile motion of cranial blood vessels using real-time MRI [PDF]
Frontiers in Network PhysiologyWe present a robust method to assess pulsatile motion of larger cranial blood vessels in the human brain from high spatiotemporal-resolution real-time magnetic resonance (MR) imaging data. Together with percentile-based thresholding in combination with a
Thorge von der Ohe +19 more
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A Bayesian Multi-Scale Framework for Photoplethysmogram Imaging Waveform Processing [PDF]
Journal of Computational Vision and Imaging Systems, 2016 Photoplethysmography imaging (PPGI) is an increasingly populartechnique for remotely creating signals with a plethora of medicalinformation, referred to as PPGI waveforms. However, PPGI waveformsare often heavily affected by illumination variation and motionartefacts. Current PPGI waveform processing methods are usefulfor estimating heart rate, however,
Alexander Wong +3 more
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Stress Classification Using Photoplethysmogram-Based Spatial and Frequency Domain Images [PDF]
Sensors, 2020 Stress is subjective and is manifested differently from one person to another. Thus, the performance of generic classification models that classify stress status is crude. Building a person-specific model leads to a reliable classification, but it requires the collection of new data to train a new model for every individual and needs periodic upgrades ...
Elzeiny, Sami, Qaraqe, Marwa
openaire +3 more sources
Bioengineering, 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
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Effectiveness of Remote PPG Construction Methods: A Preliminary Analysis
Bioengineering, 2022 The contactless recording of a photoplethysmography (PPG) signal with a Red-Green-Blue (RGB) camera is known as remote photoplethysmography (rPPG).
Fridolin Haugg +2 more
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Cuffless Single-Site Photoplethysmography for Blood Pressure Monitoring [PDF]
, 2020 One in three adults worldwide has hypertension, which is associated with significant morbidity and mortality. Consequently, there is a global demand for continuous and non-invasive blood pressure (BP) measurements that are convenient, easy to use, and ...
Abbott, D. +15 more
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Study of Neurocognitive Processes in a Paradigm of Information Concealment
Экспериментальная психология, 2021 The work contains a brief overview of the results of a series of experiments using the methods of functional magnetic resonance imaging (fMRI) and simultaneous registration of vegetative reactions using MRI-compatible polygraph (MRIcP ...
Yu.I. Kholodny +5 more
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IEEE Access, 2023 Long-term wiring on a newborn patient could be a disguise scene for parents. Unobtrusive and reliable monitoring without wiring can be a euphoric alternative for newborns and parents in obstetrics and gynecology (OB/GYN) incubation rooms.
Yenming J. Chen +5 more
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