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Continuous monitoring of blood oxygen saturation levels is vital for patients with pulmonary disorders. Traditionally, SpO$_2$ monitoring has been carried out using transmittance pulse oximeters due to its dependability. However, SpO$_2$…

Signal Processing · Electrical Eng. & Systems 2020-04-15 Sricharan Vijayarangan , Prithvi Suresh , Preejith SP , Jayaraj Joseph , Mohansankar Sivaprakasam

The accurate measurement of blood pressure (BP) is an important prerequisite for the reliable diagnosis and efficient management of hypertension and other medical conditions. Office Blood Pressure Measurement (OBP) is a technique performed…

Signal Processing · Electrical Eng. & Systems 2021-10-05 Aleksandar Miladinović , Miloš Ajčević , Giulia Siveri , Laura Liguori , Lorenzo Pascazio , Agostino Accardo

We report computational results of blood flow through a model of the human aortic arch and a vessel of actual diameter and length. On the top of the aortic arch the branching of the %%three arteries are included: the subclavian and jugular.…

Fluid Dynamics · Physics 2008-11-11 Renat A. Sultanov , Dennis Guster

The asymmetry of coupling between complex systems can be studied by conditional probabilities of recurrence, which can be estimated by joint recurrence plots. This approach is applied for the first time on experimental data: time series of…

Chaotic Dynamics · Physics 2013-06-05 Norbert Marwan , Yong Zou , Niels Wessel , Maik Riedl , Jürgen Kurths

To gain an understanding of the relation between a given human pose image and the corresponding physical foot pressure of the human subject, we propose and validate two end-to-end deep learning architectures, PressNet and PressNet-Simple,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Jesse Scott , Christopher Funk , Bharadwaj Ravichandran , John H. Challis , Robert T. Collins , Yanxi Liu

Recent advances in deep pose estimation models have proven to be effective in a wide range of applications such as health monitoring, sports, animations, and robotics. However, pose estimation models fail to generalize when facing images…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Vandad Davoodnia , Saeed Ghorbani , Ali Etemad

The classic heuristic formula for calculating the mean arterial blood pressure (MAP) in the human cardiac cycle using 1/3 of the systolic pressure (P_S) plus 2/3 of the diastolic pressure (P_D) importantly neglects the nonlinear effect of…

Tissues and Organs · Quantitative Biology 2025-04-01 Maximilian Nguyen

Hypertension (HPT) refers to a condition where the pressure exerted on the walls of arteries by blood pumped from the heart to the body reaches levels that can lead to various ailments. Annually, a significant number of lives are lost…

Signal Processing · Electrical Eng. & Systems 2023-11-08 Yunus Emre Erdoğan , Ali Narin , Walid Hariri

Methods of Computational Fluid Dynamics are applied to simulate pulsatile blood flow in human vessels and in the aortic arch. The non-Newtonian behaviour of the human blood is investigated in simple vessels of actual size. A detailed…

Computational Physics · Physics 2008-02-19 Renat A. Sultanov , Dennis Guster , Brent Engelbrekt , Richard Blankenbecler

Breathing rate is a vital health metric that is an invaluable indicator of the overall health of a person. In recent years, the non-contact measurement of health signals such as breathing rate has been a huge area of development, with a…

Image and Video Processing · Electrical Eng. & Systems 2023-11-16 Robyn Maxwell , Timothy Hanley , Dara Golden , Adara Andonie , Joseph Lemley , Ashkan Parsi

The clinical application of patient-specific modelling of the heart can provide valuable insights in supplementing and advancing methods of diagnosis as well as helping to devise the best possible therapeutic approach for each individual…

Medical Physics · Physics 2023-08-03 Sebastian Skatulla , Carlo Sansour , Mary Familusi , Jagir Hussan , Ntobeko Ntusi

Hypertension is one of the most common age-related chronic diseases and by predisposing individuals for heart failure, stroke and kidney disease, it is a major source of morbidity and mortality. Its etiology remains enigmatic despite…

Tissues and Organs · Quantitative Biology 2015-06-15 Klas H. Pettersen , Scott M. Bugenhagen , Javaid Nauman , Daniel A. Beard , Stig W. Omholt

Respiratory ailments afflict a wide range of people and manifests itself through conditions like asthma and sleep apnea. Continuous monitoring of chronic respiratory ailments is seldom used outside the intensive care ward due to the large…

The variation of blood flow characteristics caused by the probe pressure during noninvasive studies is of particular interest within the context of fundamental and applied research. It has been shown previously that the weak local pressure…

With the increasing availability of wearable devices, continuous monitoring of individuals' physiological and behavioral patterns has become significantly more accessible. Access to these continuous patterns about individuals' statuses…

Machine Learning · Computer Science 2019-07-30 Ramin Ramazi , Christine Perndorfer , Emily Soriano , Jean-Philippe Laurenceau , Rahmatollah Beheshti

It is shown that the dependence of the cerebral blood flow (CBF) on mean arterial blood pressure (MABP) can be described with a simple model having the following assumptions. Below certain MABP (denoted as MABP1) there are no autoregulatory…

Biological Physics · Physics 2011-03-30 Alexander Gersten

The CVS is composed of numerous interacting and dynamically regulated physiological subsystems which each generate measurable periodic components such that the CVS can itself be presented as a system of weakly coupled oscillators. The…

Smartwatches have become popular for monitoring physiological parameters outside clinical settings. Using reflective photoplethysmography (PPG) sensors, such watches can non-invasively estimate heart rate (HR) in everyday environments and…

Signal Processing · Electrical Eng. & Systems 2024-12-24 Manuel Meier , Christian Holz

Demographic studies suggest that changes in the retinal vasculature geometry, especially in vessel width, are associated with the incidence or progression of eye-related or systemic diseases. To date, the main information source for width…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Fatmatulzehra Uslu , Anil Anthony Bharath

Estimating human vital signs in a contactless non-invasive method using radar provides a convenient method in the medical field to conduct several health checkups easily and quickly. In addition to monitoring while sitting and sleeping, the…

Signal Processing · Electrical Eng. & Systems 2022-06-14 Tassneem Helal , Fady Aziz , Omar Metwally , Marco F. Huber , Dominik Alscher , Christoph Wasser , Urs Schneider
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