[HTML][HTML] What's new and what's next in diffusion MRI preprocessing

CMW Tax, M Bastiani, J Veraart, E Garyfallidis… - NeuroImage, 2022 - Elsevier
Diffusion MRI (dMRI) provides invaluable information for the study of tissue microstructure
and brain connectivity, but suffers from a range of imaging artifacts that greatly challenge the …

Quantitative magnetic resonance imaging phantoms: a review and the need for a system phantom

KE Keenan, M Ainslie, AJ Barker… - Magnetic resonance …, 2018 - Wiley Online Library
The MRI community is using quantitative mapping techniques to complement qualitative
imaging. For quantitative imaging to reach its full potential, it is necessary to analyze …

Task group 284 report: magnetic resonance imaging simulation in radiotherapy: considerations for clinical implementation, optimization, and quality assurance

CK Glide‐Hurst, ES Paulson, K McGee… - Medical …, 2021 - Wiley Online Library
The use of dedicated magnetic resonance simulation (MR‐SIM) platforms in Radiation
Oncology has expanded rapidly, introducing new equipment and functionality with the …

Spatial precision in magnetic resonance imaging–guided radiation therapy: the role of geometric distortion

J Weygand, CD Fuller, GS Ibbott, ASR Mohamed… - International Journal of …, 2016 - Elsevier
Because magnetic resonance imaging–guided radiation therapy (MRIgRT) offers exquisite
soft tissue contrast and the ability to image tissues in arbitrary planes, the interest in this …

High slew‐rate head‐only gradient for improving distortion in echo planar imaging: preliminary experience

ET Tan, SK Lee, PT Weavers, D Graziani… - Journal of Magnetic …, 2016 - Wiley Online Library
Purpose To investigate the effects on echo planar imaging (EPI) distortion of using high
gradient slew rates (SR) of up to 700 T/m/s for in vivo human brain imaging, with a …

MaxGIRF: Image reconstruction incorporating concomitant field and gradient impulse response function effects

NG Lee, R Ramasawmy, Y Lim… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose To develop and evaluate an improved strategy for compensating concomitant field
effects in non‐Cartesian MRI at the time of image reconstruction. Theory We present a …

[HTML][HTML] The adverse effect of gradient nonlinearities on diffusion MRI: From voxels to group studies

HY Mesri, S David, MA Viergever, A Leemans - NeuroImage, 2020 - Elsevier
Nonlinearities of gradient magnetic fields in diffusion MRI (dMRI) can introduce systematic
errors in estimates of diffusion measures. While there are correction methods that can …

Gradient pre‐emphasis to counteract first‐order concomitant fields on asymmetric MRI gradient systems

S Tao, PT Weavers, JD Trzasko, Y Shu… - Magnetic resonance …, 2017 - Wiley Online Library
Purpose To develop a gradient pre‐emphasis scheme that prospectively counteracts the
effects of the first‐order concomitant fields for any arbitrary gradient waveform played on …

B0 concomitant field compensation for MRI systems employing asymmetric transverse gradient coils

PT Weavers, S Tao, JD Trzasko… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose Imaging gradients result in the generation of concomitant fields, or Maxwell fields,
which are of increasing importance at higher gradient amplitudes. These time‐varying fields …

Compact three‐tesla magnetic resonance imager with high‐performance gradients passes ACR image quality and acoustic noise tests

PT Weavers, Y Shu, S Tao, J Huston III, SK Lee… - Medical …, 2016 - Wiley Online Library
Purpose: A compact, three‐tesla magnetic resonance imaging (MRI) system has been
developed. It features a 37 cm patient aperture, allowing the use of commercial receiver …