Design, implementation, and medical applications of 2-D ultrasound sparse arrays

A Ramalli, E Boni, E Roux, H Liebgott… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
An ultrasound sparse array consists of a sparse distribution of elements over a 2-D aperture.
Such an array is typically characterized by a limited number of elements, which in most …

Anatomic and functional imaging using row–column arrays

JA Jensen, M Schou, LT Jørgensen… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Row–column (RC) arrays have the potential to yield full 3-D ultrasound imaging with a
greatly reduced number of elements compared to fully populated arrays. They, however …

3D transcranial ultrasound localization microscopy in the rat brain with a multiplexed matrix probe

A Chavignon, B Heiles, V Hingot… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Objective: Ultrasound Localization Microscopy (ULM) provides images of the
microcirculation in-depth in living tissue. However, its implementation in two-dimension is …

Ultrasound open platforms for next-generation imaging technique development

E Boni, CH Alfred, S Freear, JA Jensen… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
Open platform (OP) ultrasound systems are aimed primarily at the research community. They
have been at the forefront of the development of synthetic aperture, plane wave, shear wave …

3-D super-resolution ultrasound imaging with a 2-D sparse array

S Harput, K Christensen-Jeffries… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
High-frame-rate 3-D ultrasound imaging technology combined with super-resolution
processing method can visualize 3-D microvascular structures by overcoming the diffraction …

Intraoperative functional ultrasound imaging of human brain activity

M Imbault, D Chauvet, JL Gennisson, L Capelle… - Scientific reports, 2017 - nature.com
The functional mapping of brain activity is essential to perform optimal glioma surgery and to
minimize the risk of postoperative deficits. We introduce a new, portable neuroimaging …

4D functional imaging of the rat brain using a large aperture row-column array

J Sauvage, J Porée, C Rabut, G Férin… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Functional ultrasound imaging (fUS) recently emerged as a promising neuroimaging
modality to image and monitor brain activity based on cerebral blood volume response …

3-D imaging using row–column-addressed arrays with integrated apodization—Part II: Transducer fabrication and experimental results

TL Christiansen, MF Rasmussen… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
This paper demonstrates the fabrication, characterization, and experimental imaging results
of a 62+ 62 element λ/2-pitch row-column-addressed capacitive micromachined ultrasonic …

Sparse convolutional beamforming for ultrasound imaging

R Cohen, YC Eldar - IEEE transactions on ultrasonics …, 2018 - ieeexplore.ieee.org
The standard technique used by commercial medical ultrasound systems to form B-mode
images is delay and sum (DAS) beamforming. However, DAS often results in limited image …

Three-dimensional super-resolution imaging using a row–column array

JA Jensen, ML Ommen, SH Øygard… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
A 3-D super-resolution (SR) pipeline based on data from a row-column (RC) array is
presented. The 3-MHz RC array contains 62 rows and 62 columns with a half wavelength …