Improved ultrafast power Doppler imaging using united spatial–angular adaptive scaling Wiener postfilter

Y Wang, L Huang, R Wang, X Wei… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Ultrafast power Doppler imaging (uPDI) using high-frame-rate plane-wave transmission is a
new microvascular imaging modality that offers high Doppler sensitivity. However, due to the …

Increasing frame rate of echocardiography based on a novel 2d spatio-temporal meshless interpolation

H Jalilian, S Afrakhteh, G Iacca, L Demi - Ultrasonics, 2023 - Elsevier
Background: Increasing temporal resolution through numerical methods aids clinicians to
evaluate fast moving structures of the heart with more confidence. Methodology: In this …

Random matrix theory-based Wiener postfilter combined with eigenspace and spatial coherence-based minimum variance beamformer for coherent plane-wave …

Y Wang, S Feng, J Pan, C Zheng… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Adaptive beamforming technology is an effective approach to improve the image quality of
coherent plane-wave compounding (CPWC). However, when the number of tilted plane …

A two-dimensional angular interpolation based on radial basis functions for high frame rate ultrafast imaging

S Afrakhteh, G Iacca, L Demi - The Journal of the Acoustical Society of …, 2023 - pubs.aip.org
To solve the problem of reduced image quality in plane wave imaging (PWI), coherent plane
wave compounding (CPWC) has been introduced, based on a combination of plane wave …

Temporal super-resolution of echocardiography using a novel high-precision non-polynomial interpolation

S Afrakhteh, H Jalilian, G Iacca, L Demi - Biomedical Signal Processing …, 2022 - Elsevier
Higher frame rates are very useful for improving medical diagnosis in fast-moving parts of
the heart, especially in the valves. To this end, we propose a non-polynomial interpolation …

Spatially-smoothed adaptive null subtraction imaging applied to coherent plane wave compounding

R Paridar, BM Asl - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
The coherent plane-wave compounding (CPWC) method is known as an ultrafast imaging
technique in the medical field that provides high-speed imaging scenarios. To achieve a …

Plane wave ultrasound imaging using compressive sensing and minimum variance beamforming

R Paridar, BM Asl - Ultrasonics, 2023 - Elsevier
Coherent plane-wave compounding (CPWC) is a widely used technique in medical
ultrasound imaging due to its high frame rate property. It is well-known that increasing the …

Beam multiply and sum: A tradeoff between delay and sum and filtered delay multiply and sum beamforming for ultrafast ultrasound imaging

AN Madhavanunni, MR Panicker - Biomedical Signal Processing and …, 2023 - Elsevier
The delay and sum (DAS) has been the popular beamforming algorithm for image
reconstruction in ultrafast ultrasound imaging systems due to its low complexity …

High contrast and high frame rate coherent plane wave compounding by means of 2d spatio-angular interpolation technique

S Afrakhteh, G Iacca, L Demi - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
To address the low image quality issue in plane wave imaging (PWI), coherent plane-wave
compounding (CPWC) was developed based on PWI along multiple directions followed by a …

Increasing the frame rate of echocardiography images based on a novel interpolation technique

S Afrakhteh, H Jalilian, G Iacca… - 2022 ieee international …, 2022 - ieeexplore.ieee.org
High-temporal cardiac imaging allows for more accurate diagnostics for heart diseases. The
objective of the present work is to propose a technique to improve the temporal resolution of …