High-frequency nonlinear doppler contrast-enhanced ultrasound imaging of blood flow

M Bruce, A Hannah, R Hammond… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Current methods for in vivo microvascular imaging (<; 1 mm) are limited by the tradeoffs
between the depth of penetration, resolution, and acquisition time. Ultrasound Doppler …

Quantitative tissue perfusion imaging using nonlinear ultrasound localization microscopy

JN Harmon, ZZ Khaing, JE Hyde, CP Hofstetter… - Scientific Reports, 2022 - nature.com
Ultrasound localization microscopy (ULM) is a recent advancement in ultrasound imaging
that uses microbubble contrast agents to yield vascular images that break the classical …

Visualizing the tumor microvasculature with a nonlinear plane-wave Doppler imaging scheme based on amplitude modulation

C Tremblay-Darveau, R Williams, L Milot… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Imaging with ultrasonic plane waves enables the combination of Doppler and microbubble
contrast-enhanced imaging without compromising the Doppler ensemble length, as is the …

Detection of contrast agents: Plane wave versus focused transmission

J Viti, HJ Vos, N de Jong, F Guidi… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Ultrasound contrast agent (UCA) imaging provides a cost-effective diagnostic tool to assess
tissue perfusion and vascular pathologies. However, excessive transmission (TX) levels may …

Improved contrast-enhanced Power Doppler using a coherence-based estimator

C Tremblay-Darveau, A Bar-Zion… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
While plane-wave imaging can improve the performance of power Doppler by enabling
much longer ensembles than systems using focused beams, the long-ensemble averaging …

Concepts and tradeoffs in velocity estimation with plane-wave contrast-enhanced Doppler

C Tremblay-Darveau, R Williams… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
While long Doppler ensembles are, in principle, beneficial for velocity estimates, short
acoustic pulses must be used in microbubble contrast-enhanced (CE) Doppler to mitigate …