Gregg E Trahey
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Explore the profile of Gregg E Trahey including associated specialties, affiliations and a list of published articles.
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Articles
106
Citations
1995
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Recent Articles
1.
Ahmed R, Trahey G
IEEE Trans Ultrason Ferroelectr Freq Control
. 2024 Aug;
71(10):1244-1254.
PMID: 39115990
Sound speed estimation can potentially correct the focusing errors in medical ultrasound. Maximizing the echo spatial coherence as a function of beamforming sound speed is a known technique to estimate...
2.
Huber M, Bradway D, McNally P, Ellestad S, Trahey G
IEEE Trans Ultrason Ferroelectr Freq Control
. 2024 May;
71(8):960-971.
PMID: 38758627
This work proposes a novel method of temporal signal-to-noise ratio (SNR)-guided adaptive acoustic output adjustment and demonstrates this approach during in vivo fetal imaging. Acoustic output adjustment is currently the...
3.
Huber M, Flint K, McNally P, Ellestad S, Trahey G
Ultrason Imaging
. 2024 Mar;
46(3):151-163.
PMID: 38497455
This work measures temporal signal-to-noise ratio (SNR) thresholds that indicate when random noise during ultrasound scanning becomes imperceptible to expert human observers. Visible noise compromises image quality and can potentially...
4.
Jin F, Kakkad V, Bradway D, LeFevre M, Kisslo J, Khouri M, et al.
Ultrasound Med Biol
. 2023 May;
49(8):1719-1727.
PMID: 37149428
Objective: Increased myocardial stiffness (MS) is an important hallmark of cardiac amyloidosis (CA) caused by myocardial amyloid deposition. Standard echocardiography metrics assess MS indirectly via downstream effects of cardiac stiffening....
5.
Ahmed R, Foiret J, Ferrara K, Trahey G
IEEE Trans Ultrason Ferroelectr Freq Control
. 2023 Apr;
70(5):406-421.
PMID: 37028314
Deep abdominal images suffer from poor diffraction-limited lateral resolution. Extending the aperture size can improve resolution. However, phase distortion and clutter can limit the benefits of larger arrays. Previous studies...
6.
Long W, Bradway D, Ahmed R, Long J, Trahey G
IEEE Open J Ultrason Ferroelectr Freq Control
. 2023 Jan;
2:106-118.
PMID: 36712829
The appropriate selection of a clutter filter is critical for ensuring the accuracy of velocity estimates in ultrasound color flow imaging. Given the complex spatio-temporal dynamics of flow signal and...
7.
Long W, Bradway D, Ahmed R, Long J, Trahey G
IEEE Open J Ultrason Ferroelectr Freq Control
. 2023 Jan;
2:119-130.
PMID: 36712828
Conventional color flow processing is associated with a high degree of operator dependence, often requiring the careful tuning of clutter filters and priority encoding to optimize the display and accuracy...
8.
Ahmed R, Flint K, Morgan M, Trahey G, Walker W
IEEE Trans Ultrason Ferroelectr Freq Control
. 2022 May;
69(7):2303-2317.
PMID: 35613063
Multi-covariate imaging of sub-resolution targets (MIST) is a statistical, model-based image formation technique that smooths speckles and reduces clutter. MIST decomposes the measured covariance of the element signals into modeled...
9.
Flint K, Barre E, Huber M, McNally P, Ellestad S, Trahey G
IEEE Trans Ultrason Ferroelectr Freq Control
. 2022 May;
69(7):2257-2269.
PMID: 35507609
The objective of this work was to develop an automated region of the interest selection method to use for adaptive imaging. The as low as reasonably achievable (ALARA) principle is...
10.
Ahmed R, Bottenus N, Long J, Trahey G
IEEE Trans Ultrason Ferroelectr Freq Control
. 2021 Aug;
69(1):84-97.
PMID: 34437060
Diffuse reverberation clutter often significantly degrades the visibility of abdominal structures. Reverberation clutter acts as a temporally stationary haze that originates from the multiple scattering within the subcutaneous layers and...