Pulse Wave Imaging Coupled With Vector Flow Map**: A Phantom, Simulation, and In Vivo Study

GM Karageorgos, IZ Apostolakis… - IEEE transactions on …, 2021‏ - ieeexplore.ieee.org
Pulse wave imaging (PWI) is an ultrasound imaging modality that estimates the wall stiffness
of an imaged arterial segment by tracking the pulse wave propagation. The aim of the …

On the investigation of autocorrelation-based vector Doppler method with plane wave imaging

H Hasegawa, M Omura… - IEEE Transactions on …, 2022‏ - ieeexplore.ieee.org
Although color flow imaging is one of the representative applications of the Doppler method,
it can estimate only the velocity component in the direction of ultrasonic propagation, that is …

Ultrasound deep learning for monitoring of flow–vessel dynamics in murine carotid artery

JH Park, E Seo, W Choi, SJ Lee - Ultrasonics, 2022‏ - Elsevier
Several arterial diseases are closely related with mechanical properties of the blood vessel
and interactions of flow–vessel dynamics such as mean flow velocity, wall shear stress …

Adaptive wall shear stress imaging in phantoms, simulations and in vivo

GM Karageorgos, P Kemper, C Lee… - IEEE Transactions …, 2022‏ - ieeexplore.ieee.org
WSS measurement is challenging since it requires sensitive flow measurements at a
distance close to the wall. The aim of this study is to develop an ultrasound imaging …

[HTML][HTML] FLUST: A fast, open source framework for ultrasound blood flow simulations

IK Ekroll, AECM Saris, J Avdal - Computer Methods and Programs in …, 2023‏ - Elsevier
Background and objective: Ultrasound based blood velocity estimation is a continuously
develo** frontier, where the vast number of possible acquisition setups and velocity …

Estimation of mouse carotid arterial wall shear stress using high-frequency ultrasound imaging

YH Huang, H Huang, FE Mo… - IEEE Transactions on …, 2023‏ - ieeexplore.ieee.org
Wall shear stress (WSS) is a crucial hemodynamic factor that promotes atherosclerosis
(plaque) development in arteries; although the relationship between WSS and arterial …

Effects of beam steering angle and excitation frequency on blood flow imaging with plane wave imaging

T Maru, M Omura, R Nagaoka, K Saito… - Japanese Journal of …, 2024‏ - iopscience.iop.org
The vector Doppler method was developed to overcome the limitations of conventional
methods, which can only estimate axial velocities. Because the vector Doppler method uses …

On the depth-dependent accuracy of plane-wave-based vector velocity measurements with linear arrays

S Rossi, A Ramalli, P Tortoli - IEEE Transactions on …, 2021‏ - ieeexplore.ieee.org
High-frame-rate vector Doppler methods are used to measure blood velocities over large 2-
D regions, but their accuracy is often estimated over a short range of depths. This article …

Developments in angle-independent velocity estimators for blood flow imaging

H Hasegawa - Japanese Journal of Applied Physics, 2024‏ - iopscience.iop.org
The frame rate in ultrasonography is significantly better than those in other medical imaging
modalities, such as computed tomography and magnetic resonance imaging, even under a …

Two-Dimensional Wavenumber Analysis Implemented in Ultrasonic Vector Doppler Method with Focused Transmit Beams

H Hasegawa, M Omura, R Nagaoka, K Saito - Sensors, 2022‏ - mdpi.com
The multi-angle Doppler method was introduced for the estimation of velocity vectors by
measuring axial velocities from multiple directions. We have recently reported that the …