Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Julia V. Velikina"'
Autor:
Ping Ni Wang, Julia V. Velikina, Leah C. Henze Bancroft, Alexey A. Samsonov, Frederick Kelcz, Roberta M. Strigel, James H. Holmes
Publikováno v:
Tomography, Vol 8, Iss 3, Pp 1552-1569 (2022)
Radial acquisition with MOCCO reconstruction has been previously proposed for high spatial and temporal resolution breast DCE imaging. In this work, we characterize MOCCO across a wide range of temporal contrast enhancement in a digital reference obj
Externí odkaz:
https://doaj.org/article/ec348bfad074433f872897f38caf256d
Autor:
Julia V. Velikina, Ruiyang Zhao, Collin J. Buelo, Alexey A. Samsonov, Scott B. Reeder, Diego Hernando
Publikováno v:
Magnetic Resonance in Medicine. 90:385-399
Publikováno v:
Magnetic Resonance in Medicine. 89:112-127
To improve image quality and resolution of dynamic susceptibility contrast perfusion weighted imaging (DSC-PWI) by developing acquisition and reconstruction methods exploiting the temporal regularity property of DSC-PWI signal.A novel regularized rec
Autor:
William A, Grissom, Kawin, Setsompop, Samuel A, Hurley, Jeffrey, Tsao, Julia V, Velikina, Alexey A, Samsonov
Publikováno v:
Magnetic resonance in medicine. 78(4)
To advance the best solutions to two important RF pulse design problems with an open head-to-head competition.Two sub-challenges were formulated in which contestants competed to design the shortest simultaneous multislice (SMS) refocusing pulses and
Autor:
Julia V, Velikina, Alexey A, Samsonov
Publikováno v:
Magnetic resonance in medicine. 74(5)
To accelerate dynamic MR imaging through development of a novel image reconstruction technique using low-rank temporal signal models preestimated from training data.We introduce the model consistency condition (MOCCO) technique, which utilizes tempor
Autor:
Grzegorz, Bauman, Kevin M, Johnson, Laura C, Bell, Julia V, Velikina, Alexey A, Samsonov, Scott K, Nagle, Sean B, Fain
Publikováno v:
Magnetic resonance in medicine. 73(2)
To assess the feasibility of spatial-temporal constrained reconstruction for accelerated regional lung perfusion using highly undersampled dynamic contrast-enhanced (DCE) three-dimensional (3D) radial MRI with ultrashort echo time (UTE).A combined st
Publikováno v:
Magnetic resonance in medicine. 70(5)
MR parameter mapping requires sampling along additional (parametric) dimension, which often limits its clinical appeal due to a several-fold increase in scan times compared to conventional anatomic imaging. Data undersampling combined with parallel i
Autor:
James H, Holmes, Rafael L, O'Halloran, Ethan K, Brodsky, Thorsten A, Bley, Christopher J, Francois, Julia V, Velikina, Ronald L, Sorkness, William W, Busse, Sean B, Fain
Publikováno v:
Magnetic resonance in medicine. 62(6)
The purpose of this work is to detect dynamic gas trapping in three dimensions during forced exhalation at isotropic high spatial resolution and high temporal resolution using hyperpolarized helium-3 MRI. Ten subjects underwent hyperpolarized helium-