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Determining the brain perfusion is an important task for the diagnosis and treatment of vascular diseases such as occlusions and intracerebral haemorrhage. Even after successful diagnosis and treatment, there is a high risk of restenosis or…

This study is concerned with the statistics of vertical turbulent channel flow laden with inertial particles for two different volume concentrations ($\Phi_{V} = 3 \times 10^{-6}$ and $\Phi_{V} = 5 \times 10^{-5}$) at a Stokes number of…

Fluid Dynamics · Physics 2019-04-22 Guiquan Wang , Kee Onn Fong , Filippo Coletti , Jesse Capecelatro

Fluid-structure interaction in the developing heart is an active area of research in developmental biology. However, investigation of heart dynamics is mostly limited to computational fluid dynamics simulations using heart wall structure…

Quantitative Methods · Quantitative Biology 2018-03-01 Vytautas Zickus , Jonathan M. Taylor

Arterial spin labeling (ASL) magnetic resonance imaging (MRI) enables cerebral perfusion measurement, which is crucial in detecting and managing neurological issues in infants born prematurely or after perinatal complications. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Christoforos Galazis , Ching-En Chiu , Tomoki Arichi , Anil A. Bharath , Marta Varela

Intracranial hemorrhage (ICH) secondary to Traumatic Brain Injury (TBI) represents a critical diagnostic challenge, with approximately 64,000 TBI-related deaths annually in the United States. Current diagnostic modalities including Computed…

Image and Video Processing · Electrical Eng. & Systems 2025-10-27 Phat Tran , Enbai Kuang , Fred Xu

Intravascular optical coherence tomography (IVOCT) is a catheter based image modality allowing for high resolution imaging of vessels. It is based on a fast sequential acquisition of A-scans with an axial spatial resolution in the range of…

It is still debated how breathing interacts with the CSF. New Phase contrast MRI sequence based on Echo Planar imaging (EPI-PC) can now produce continuously during minutes a velocity map, more or less every 100 ms. We did not found in the…

Signal Processing · Electrical Eng. & Systems 2022-07-29 Olivier Baledent , Pan Liu , Serge Metanbou , Cyrille Capel , Sidy Fall , Roger Bouzerar

It has been shown that the gas velocities within the intracluster medium (ICM) can be measured by applying novel XMM-Newton EPIC-pn energy scale calibration, which uses instrumental Cu Ka as reference for the line emission. Using this…

High Energy Astrophysical Phenomena · Physics 2023-08-02 Efrain Gatuzz , R. Mohapatra , C. Federrath , J. S. Sanders , A. Liu , S. A. Walker , C. Pinto

Myocardial infarction (MI), or commonly known as heart attack, is a life-threatening health problem worldwide from which 32.4 million people suffer each year. Early diagnosis and treatment of MI are crucial to prevent further heart tissue…

Image and Video Processing · Electrical Eng. & Systems 2021-03-16 Aysen Degerli , Morteza Zabihi , Serkan Kiranyaz , Tahir Hamid , Rashid Mazhar , Ridha Hamila , Moncef Gabbouj

Carotid atherosclerosis is a major contributor to ischemic stroke and transient ischemic attack. Conventional ultrasound assessment is commonly based on intima-media thickness, plaque appearance, stenosis degree, and peak systolic velocity,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Aueaphum Aueawatthanaphisut

Intracranial aneurysms (IAs) are serious cerebrovascular lesions found in approximately 5\% of the general population. Their rupture may lead to high mortality. Current methods for assessing IA risk focus on morphological and…

We propose a multi-patient inverse modeling framework for identifying effective calcium and citrate diffusion coefficients in hollow-fiber hemodialysis devices. The approach relies on a coupled forward model combining axisymmetric fluid…

Numerical Analysis · Mathematics 2026-03-03 Geoffrey Lacour , Nicolae Cîndea , Julien Aniort

Joint modeling of diffusion and relaxation has seen growing interest due to its potential to provide complementary information about tissue microstructure. For brain white matter, we designed an optimal diffusion-relaxometry MRI protocol…

The flow patterns created by a coherent horizontal liquid jet impinging on a vertical wall atmoderate flow rates (jet flowrates 0.5-4.0 L min-1, jet velocities 2.6-21 m s-1) are studied withwater on glass, polypropylene and…

Fluid Dynamics · Physics 2024-07-23 W. Aouad , Julien R. Landel , S. B. Dalziel , J. F. Davidson , D. I. Wilson

Diffusion MRI (dMRI) is essential for studying brain microstructure, but high-resolution imaging remains challenging due to the inherent trade-offs between acquisition time and signal-to-noise ratio (SNR). Conventional methods often…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Yinzhe Wu , Jiahao Huang , Fanwen Wang , Mengze Gao , Congyu Liao , Guang Yang , Kawin Setsompop

The influence of sex and age on cerebral perfusion is recognized, but the specific impacts on regional cerebral blood flow (CBF) and vascular risk remain to be fully characterized. In this study, 3D pseudo-continuous arterial spin labeling…

Image and Video Processing · Electrical Eng. & Systems 2025-08-22 Sneha Noble , Neelam Sinha , Vaanathi Sundareshan , Thomas Gregor Issac

Reducing the scanning time of very-low field (VLF) magnetic resonance imaging (MRI) scanners, commonly employed for stroke diagnosis, can enhance patient comfort and operational efficiency. The conventional parallel imaging (PI) technique…

Medical Physics · Physics 2025-12-24 Lei Yang , Wei He , Sheng Shen , Yucheng He , Jiamin Wu , Zheng Xu

Quantitative analysis of fetal lung Diffusion-Weighted MRI (DWI) data shows potential in providing quantitative imaging biomarkers that indirectly reflect fetal lung maturation. However, fetal motion during the acquisition hampered…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Yael Zaffrani-Reznikov , Onur Afacan , Sila Kurugol , Simon Warfield , Moti Freiman

Following successful large-vessel recanalization via endovascular thrombectomy (EVT) for acute ischemic stroke (AIS), some patients experience a complication known as no-reflow, defined by persistent microvascular hypoperfusion that…

Image and Video Processing · Electrical Eng. & Systems 2026-05-13 Shreeram Athreya , Carlos Olivares , Ameera Ismail , Kambiz Nael , William Speier , Corey Arnold

Rapid and accessible cardiac biomarker testing is essential for the timely diagnosis and risk assessment of myocardial infarction (MI) and heart failure (HF), two interrelated conditions that frequently coexist and drive recurrent…