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 …

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 …

ULA-OP 256: A 256-channel open scanner for development and real-time implementation of new ultrasound methods

E Boni, L Bassi, A Dallai, F Guidi… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Open scanners offer an increasing support to the ultrasound researchers who are involved
in the experimental test of novel methods. Each system presents specific performance in …

Density-tapered spiral arrays for ultrasound 3-D imaging

A Ramalli, E Boni, AS Savoia… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The current high interest in 3-D ultrasound imaging is pushing the development of 2-D
probes with a challenging number of active elements. The most popular approach to limit …

Experimental 3-D ultrasound imaging with 2-D sparse arrays using focused and diverging waves

E Roux, F Varray, L Petrusca, C Cachard, P Tortoli… - Scientific reports, 2018 - nature.com
Three dimensional ultrasound (3-D US) imaging methods based on 2-D array probes are
increasingly investigated. However, the experimental test of new 3-D US approaches is …

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 …

Ultrafast 3-D ultrasound imaging using row–column array-specific frame-multiply-and-sum beamforming

J Hansen-Shearer, M Lerendegui… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Row–column arrays have been shown to be able to generate 3-D ultrafast ultrasound
images with an order of magnitude less independent electronic channels than traditional 2 …

2-D ultrasound sparse arrays multidepth radiation optimization using simulated annealing and spiral-array inspired energy functions

E Roux, A Ramalli, P Tortoli, C Cachard… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Full matrix arrays are excellent tools for 3-D ultrasound imaging, but the required number of
active elements is too high to be individually controlled by an equal number of scanner …

Three-dimensional ultrasound localization microscopy with bipartite graph-based microbubble pairing and Kalman-filtering-based tracking on a 256-channel …

UW Lok, C Huang, JD Trzasko, Y Kim, F Lucien… - Journal of medical and …, 2022 - Springer
Abstract Purpose Three-dimensional (3D) ultrasound localization microscopy (ULM) using a
2-D matrix probe and microbubbles (MBs) has recently been proposed to visualize …

Methods of fabrication and modeling of CMUTs–A review

AE Biriukov, AM Korsunsky - Sensors and Actuators A: Physical, 2024 - Elsevier
Widespread use of capacitive micromachined ultrasound transducers (CMUTs) has
motivated the development of a variety of methods for their fabrication and modeling. The …