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Ali Al-Naji, Ghaidaa A. Khalid, Jinan F. Mahdi and Javaan Chahl
Patients with the COVID-19 condition require frequent and accurate blood oxygen saturation (SpO2) monitoring. The existing pulse oximeters, however, require contact-based measurement using clips or otherwise fixed sensor units or need dedicated hardware ...
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Imre Kukel, Alexander Trumpp, Katrin Plötze, Antje Rost, Sebastian Zaunseder, Klaus Matschke and Stefan Rasche
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...
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Maxim A. Volynsky, Nikita B. Margaryants, Oleg V. Mamontov and Alexei A. Kamshilin
The study of blood vessel reactivity to local thermal impact could be used for assessment of the endothelial function in patients with increased cardio-metabolic risk (hypertension disease, diabetes mellitus, dyslipidemia). Moreover, it can be applied fo...
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Fatema-Tuz-Zohra Khanam, Ali Al-Naji and Javaan Chahl
Techniques for noncontact measurement of vital signs using camera imaging technologies have been attracting increasing attention. For noncontact physiological assessments, computer vision-based methods appear to be an advantageous approach that could be ...
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Gabriella Casalino, Giovanna Castellano, Vincenzo Pasquadibisceglie and Gianluca Zaza
Conventional methods for measuring cardiovascular parameters use skin contact techniques requiring a measuring device to be worn by the user. To avoid discomfort of contact devices, camera-based techniques using photoplethysmography have been recently in...
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