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 …

3-D imaging using row-column-addressed arrays with integrated apodization-part i: apodization design and line element beamforming

MF Rasmussen, TL Christiansen… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
This paper investigates the effect of transducerintegrated apodization in row–column-
addressed arrays and presents a beamforming approach specific for such arrays. Row …

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 …

A column-row-parallel ASIC architecture for 3-D portable medical ultrasonic imaging

K Chen, HS Lee, CG Sodini - IEEE Journal of Solid-State …, 2015 - ieeexplore.ieee.org
This paper presents a scalable column-row-parallel ASIC architecture for 3-D portable
medical ultrasound. Through its programmable row-by-row or column-by-column operations …

3-D vector flow estimation with row–column-addressed arrays

S Holbek, TL Christiansen, MB Stuart… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Simulation and experimental results from 3-D vector flow estimations for a 62+ 62 2-D row-
column (RC) array with integrated apodization are presented. A method for implementing a …

Complete complementary coded excitation scheme for snr improvement of 2d sparse array ultrasound imaging

M Tamraoui, H Liebgott, E Roux - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Driving the numerous elements of 2D matrix arrays for 3D ultrasound imaging is very
challenging in terms of cable size, wiring and data rate. The sparse array approach tackles …

Imaging performance for two row–column arrays

H Bouzari, M Engholm, SI Nikolov… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
This study evaluates the volumetric imaging performance of two prototyped 62+ 62 row-
column-addressed (RCA) 2-D array transducer probes using three synthetic aperture …

3-D ultrasound imaging performance of a row-column addressed 2-D array transducer: A measurement study

MF Rasmussen, JA Jensen - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
A real-time 3-D ultrasound measurement using only 32 elements and 32 emissions is
presented. The imaging quality is compared to a conventionally fully addressed array using …

Probe development of CMUT and PZT row–column-addressed 2-D arrays

M Engholm, H Bouzari, TL Christiansen, C Beers… - Sensors and Actuators A …, 2018 - Elsevier
This paper presents the characterization of two prototyped fully integrated 62+ 62 row–
column-addressed (RCA) 2-D transducer array probes, which are based on capacitive …