Quantitative susceptibility mapping of the spine using in‐phase echoes to initialize inhomogeneous field and R2* for the nonconvex optimization problem of fat‐water …

Y Guo, Z Liu, Y Wen, P Spincemaille… - NMR in …, 2019 - Wiley Online Library
Quantitative susceptibility mapping (QSM) of human spinal vertebrae from a multi‐echo
gradient‐echo (GRE) sequence is challenging, because comparable amounts of fat and …

On the water–fat in‐phase assumption for quantitative susceptibility mapping

C Boehm, S Schlaeger, J Meineke… - Magnetic …, 2023 - Wiley Online Library
Purpose To (a) define multi‐peak fat model‐based effective in‐phase echo times for
quantitative susceptibility mapping (QSM) in water–fat regions,(b) analyze the relationship …

Improved body quantitative susceptibility mapping by using a variable‐layer single‐min‐cut graph‐cut for field‐mapping

C Boehm, MN Diefenbach… - Magnetic …, 2021 - Wiley Online Library
Purpose To develop a robust algorithm for field‐mapping in the presence of water–fat
components, large field inhomogeneities and MR signal voids and to apply the developed …

Single‐step quantitative susceptibility mapping with variational penalties

I Chatnuntawech, P McDaniel, SF Cauley… - NMR in …, 2017 - Wiley Online Library
Quantitative susceptibility mapping (QSM) estimates the underlying tissue magnetic
susceptibility from the gradient echo (GRE) phase signal through background phase …

Preconditioned water‐fat total field inversion: application to spine quantitative susceptibility mapping

C Boehm, N Sollmann, J Meineke… - Magnetic …, 2022 - Wiley Online Library
Purpose To (a) develop a preconditioned water‐fat total field inversion (wfTFI) algorithm that
directly estimates the susceptibility map from complex multi‐echo gradient echo data for …

Simultaneous phase unwrapping and removal of chemical shift (SPURS) using graph cuts: application in quantitative susceptibility mapping

J Dong, T Liu, F Chen, D Zhou, A Dimov… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Quantitative susceptibility mapping (QSM) is a magnetic resonance imaging technique that
reveals tissue magnetic susceptibility. It relies on having a high quality field map, typically …

Fat‐water separation based on Transition REgion Extraction (TREE)

H Peng, C Zou, C Cheng, C Tie, Y Qiao… - Magnetic …, 2019 - Wiley Online Library
Purpose To develop a method based on fat‐water transition region extraction (TREE) for
robust fat‐water separation and quantification in challenging scenarios, including low signal …

Joint 2D and 3D phase processing for quantitative susceptibility mapping: application to 2D echo‐planar imaging

H Wei, Y Zhang, E Gibbs, NK Chen… - NMR in …, 2017 - Wiley Online Library
Quantitative susceptibility mapping (QSM) measures tissue magnetic susceptibility and
typically relies on time‐consuming three‐dimensional (3D) gradient‐echo (GRE) MRI …

Learning-based single-step quantitative susceptibility mapping reconstruction without brain extraction

H Wei, S Cao, Y Zhang, X Guan, F Yan, KW Yeom… - NeuroImage, 2019 - Elsevier
Quantitative susceptibility mapping (QSM) estimates the underlying tissue magnetic
susceptibility from MRI gradient-echo phase signal and typically requires several processing …

Improving chemical shift encoded water–fat separation using object‐based information of the magnetic field inhomogeneity

SD Sharma, NS Artz, D Hernando… - Magnetic …, 2015 - Wiley Online Library
Purpose The purpose of this work was to improve the robustness of existing chemical shift
encoded water–fat separation methods by incorporating object‐based information of the B0 …