Low‐field MRI: An MR physics perspective

JP Marques, FFJ Simonis… - Journal of magnetic …, 2019 - Wiley Online Library
Historically, clinical MRI started with main magnetic field strengths in the∼ 0.05–0.35 T
range. In the past 40 years there have been considerable developments in MRI hardware …

[HTML][HTML] MRI with ultrahigh field strength and high-performance gradients: challenges and opportunities for clinical neuroimaging at 7 T and beyond

B Vachha, SY Huang - European radiology experimental, 2021 - Springer
Research in ultrahigh magnetic field strength combined with ultrahigh and ultrafast gradient
technology has provided enormous gains in sensitivity, resolution, and contrast for …

Echo planar time‐resolved imaging (EPTI)

F Wang, Z Dong, TG Reese, B Bilgic… - Magnetic resonance …, 2019 - Wiley Online Library
Purpose To develop an efficient distortion‐and blurring‐free multi‐shot EPI technique for
time‐resolved multiple‐contrast and/or quantitative imaging. Methods EPI is a commonly …

Nonlinear dipole inversion (NDI) enables robust quantitative susceptibility mapping (QSM)

D Polak, I Chatnuntawech, J Yoon, SS Iyer… - NMR in …, 2020 - Wiley Online Library
High‐quality Quantitative Susceptibility Mapping (QSM) with Nonlinear Dipole Inversion
(NDI) is developed with pre‐determined regularization while matching the image quality of …

Wave‐CAIPI for highly accelerated MP‐RAGE imaging

D Polak, K Setsompop, SF Cauley… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose To introduce a highly accelerated T1‐weighted magnetization‐prepared rapid
gradient echo (MP‐RAGE) acquisition that uses wave‐controlled aliasing in parallel imaging …

TArgeted Motion Estimation and Reduction (TAMER): data consistency based motion mitigation for MRI using a reduced model joint optimization

MW Haskell, SF Cauley, LL Wald - IEEE transactions on …, 2018 - ieeexplore.ieee.org
We introduce a data consistency based retrospective motion correction method, TArgeted
Motion Estimation and Reduction (TAMER), to correct for patient motion in Magnetic …

Highly‐accelerated volumetric brain examination using optimized wave‐CAIPI encoding

D Polak, S Cauley, SY Huang… - Journal of Magnetic …, 2019 - Wiley Online Library
Background Rapid volumetric imaging protocols could better utilize limited scanner
resources. Purpose To develop and validate an optimized 6‐minute high‐resolution …

Scan‐specific artifact reduction in k‐space (SPARK) neural networks synergize with physics‐based reconstruction to accelerate MRI

Y Arefeen, O Beker, J Cho, H Yu… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose To develop a scan‐specific model that estimates and corrects k‐space errors made
when reconstructing accelerated MRI data. Methods Scan‐specific artifact reduction in k …

Validation of highly accelerated wave–CAIPI SWI compared with conventional SWI and T2*-weighted gradient recalled-echo for routine clinical brain MRI at 3T

J Conklin, MGF Longo, SF Cauley… - American Journal …, 2019 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: SWI is valuable for characterization of intracranial
hemorrhage and mineralization but has long acquisition times. We compared a highly …

Joint multi‐contrast variational network reconstruction (jVN) with application to rapid 2D and 3D imaging

D Polak, S Cauley, B Bilgic, E Gong… - Magnetic resonance …, 2020 - Wiley Online Library
Purpose To improve the image quality of highly accelerated multi‐channel MRI data by
learning a joint variational network that reconstructs multiple clinical contrasts jointly …