Machine learning for aiding blood flow velocity estimation based on angiography

S Padhee, M Johnson, H Yi, T Banerjee, Z Yang - Bioengineering, 2022 - mdpi.com
Computational fluid dynamics (CFD) is widely employed to predict hemodynamic
characteristics in arterial models, while not friendly to clinical applications due to the …

Numerical studies of hemodynamic alterations in pre‐and post‐stenting cerebral aneurysms using a multiscale modeling

H Yu, GP Huang, Z Yang… - International Journal for …, 2019 - Wiley Online Library
The aim of this work was to use a multiscale modeling to study the influence of stent
deployment, with generic stents, on flow distributions within the vascular network and the …

Evaluation of methods to derive blood flow velocity from 1000 fps high-speed angiographic sequences (HSA) using optical flow (OF) and computational fluid dynamics …

A Shields, SVS Nagesh, C Ionita… - … 2021: Physics of …, 2021 - spiedigitallibrary.org
Digital Subtraction Angiography (DSA) is considered the gold standard for imaging and
guiding treatment of neurovascular lesions, such as cerebral aneurysms and carotid …

Wall shear-stress extraction by an optical flow algorithm with a sub-grid formulation

TH Tran, L Chen - Acta Mechanica Sinica, 2021 - Springer
In this study, we developed a novel optical-flow algorithm for determining the wall shear-
stress on the surface of objects. The algorithm solves the thin-oil-film equation using a …

Application of three-dimensional diagnostics on the direct-current electric-field assisted combustion

H Liu, Z Yang, W Cai - Aerospace Science and Technology, 2021 - Elsevier
Recent research has shown that the electric field could impact the flame in multiple aspects,
especially in flame propagation and diffusion. However, the available literature all focused …

A multiscale computational modeling for cerebral blood flow with aneurysms and/or stenoses

H Yu, GP Huang, Z Yang… - International Journal for …, 2018 - Wiley Online Library
Abstract A 1‐dimensional (1D)‐3‐dimensional (3D) multiscale model for the human vascular
network was proposed by combining a low‐fidelity 1D modeling of blood circulation to …

TIV and PIV based natural convection study over a square flat plate under stable stratification

Y Fan, Y Li, Q Wang, S Yin - International Journal of Heat and Mass …, 2019 - Elsevier
Natural convection over an isolated horizontal plate in a stably stratified background
condition is fundamental and challenging in industrial, atmospheric, geographical, and …

Optical Flow-Based Full-Field Quantitative Blood-Flow Velocimetry Using Temporal Direction Filtering and Peak Interpolation

L Meng, M Huang, S Feng, Y Wang, J Lu… - International Journal of …, 2023 - mdpi.com
The quantitative measurement of the microvascular blood-flow velocity is critical to the early
diagnosis of microvascular dysfunction, yet there are several challenges with the current …

Multi-angled simultaneous biplane high-speed angiography (HSA) of patient-specific 3D-printed aneurysm phantoms using 1000 fps CdTe photon-counting detectors …

E Vanderbilt, X Wu, A Shields… - Medical Imaging …, 2023 - spiedigitallibrary.org
1000 fps HSA enables visualization of flow details, which may be important in accurately
guiding interventional procedures; however, single-plane imaging may lack clear …

Application of 1,000 fps high-speed angiography to in-vitro hemodynamic evaluation of left ventricular assist device outflow graft configurations

A Shields, SVS Nagesh, K Rajagopal… - ASAIO …, 2023 - journals.lww.com
Left ventricular assist device (LVAD)–induced hemodynamics are characterized by fast-
moving flow with large variations in velocity, making quantitative assessments difficult with …