Automatic dynamic depth focusing for NDT
Auto-focusing along with dynamic depth focusing (DDF) would be very valuable to inspect
arbitrarily shaped parts when operating with wedges or with other coupling media to avoid …
arbitrarily shaped parts when operating with wedges or with other coupling media to avoid …
Low-frequency ultrasound thoracic signal processing based on music algorithm and EMD wavelet thresholding
Y Zhou, J Li, H Yan, X Yan - IEEE Access, 2023 - ieeexplore.ieee.org
Ultrasound is widely used in biomedical imaging. High-frequency ultrasound at MHz is
usually used for good resolution. However, ultrasound at this band cannot permeate human …
usually used for good resolution. However, ultrasound at this band cannot permeate human …
An FPGA-accelerated parallel digital beamforming core for medical ultrasound sector imaging
JU Kidav - IEEE Transactions on Ultrasonics, Ferroelectrics …, 2021 - ieeexplore.ieee.org
Plane-wave transmission followed by parallel receive beamforming is popular among high
frame rate (HFR) ultrasound (US) imaging methods. However, due to technological …
frame rate (HFR) ultrasound (US) imaging methods. However, due to technological …
A new beamforming method and hardware architecture for real time two way dynamic depth focusing
Abstract The Total Focusing Method (TFM) yields a focused image in emission and in
reception while Phased Array (PA) imaging provides Dynamic Depth Focusing (DDF) in …
reception while Phased Array (PA) imaging provides Dynamic Depth Focusing (DDF) in …
Fast parametric beamformer for synthetic aperture imaging
SI Nikolov, JA Jensen, BG Tomov - ieee transactions on …, 2008 - ieeexplore.ieee.org
This paper describes the design and implementation of a real-time delay-and-sum synthetic
aperture beamformer. The beamforming delays and apodization coefficients are described …
aperture beamformer. The beamforming delays and apodization coefficients are described …
Compact FPGA-based beamformer using oversampled 1-bit A/D converters
BG Tomov, JA Jensen - ieee transactions on ultrasonics …, 2005 - ieeexplore.ieee.org
A compact medical ultrasound beamformer architecture that uses oversampled 1-bit analog-
to-digital (A/D) converters is presented. Sparse sample processing is used, as the echo …
to-digital (A/D) converters is presented. Sparse sample processing is used, as the echo …
New method for real-time dynamic focusing through interfaces
In nondestructive evaluation (NDE) a coupling medium (wedge) is frequently inserted
between the array probe and the object being evaluated. In this situation, focal law …
between the array probe and the object being evaluated. In this situation, focal law …
Architecture and FPGA prototype of cycle stealing DMA array signal processor for ultrasound sector imaging systems
JU Kidav, NM Sivamangai, MP Pillai - Microprocessors and …, 2019 - Elsevier
Abstract Array Signal Processor (ASP) is widely used in antenna-array beamforming
applications, such as RADAR, SONAR, Medical Ultrasound, Multiple-Input-Multiple-Output …
applications, such as RADAR, SONAR, Medical Ultrasound, Multiple-Input-Multiple-Output …
A single-chip 32-channel analog beamformer with 4-ns delay resolution and 768-ns maximum delay range for ultrasound medical imaging with a linear array …
A single-chip 32-channel analog beamformer is proposed. It achieves a delay resolution of 4
ns and a maximum delay range of 768 ns. It has a focal-point based architecture, which …
ns and a maximum delay range of 768 ns. It has a focal-point based architecture, which …
Towards a pixel-level reconfigurable digital beamforming core for ultrasound imaging
G Malamal, MR Panicker - IEEE Transactions on Biomedical …, 2020 - ieeexplore.ieee.org
Ultrasound (US) imaging systems typically employ a single beamforming scheme which is
the delay and sum (DAS) beamforming due to its reduced complexity. However, DAS results …
the delay and sum (DAS) beamforming due to its reduced complexity. However, DAS results …