High‐resolution, 3D multi‐TE 1H MRSI using fast spatiospectral encoding and subspace imaging

Z Wang, Y Li, F Lam - Magnetic resonance in medicine, 2022 - Wiley Online Library
Purpose To develop a novel method to achieve fast, high‐resolution, 3D multi‐TE 1H‐MRSI
of the brain. Methods A new multi‐TE MRSI acquisition strategy was developed that …

SNR enhancement for multi-TE MRSI using joint low-dimensional model and spatial constraints

Y Li, Z Wang, F Lam - IEEE Transactions on Biomedical …, 2022 - ieeexplore.ieee.org
We present a novel method to enhance the SNR for multi-TE MR spectroscopic imaging
(MRSI) data by integrating learned nonlinear low-dimensional model and spatial constraints …

Multi-parametric molecular imaging of the brain using optimized multi-TE subspace MRSI

Z Wang, Y Li, C Cao, A Anderson… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Objective: To develop a novel multi-TE MR spectroscopic imaging (MRSI) approach to
enable label-free, simultaneous, high-resolution mapping of several molecules and their …

[PDF][PDF] SNR-enhancing reconstruction for multi-TE MRSI using a learned nonlinear low-dimensional model

Y Li, Z Wang, F Lam - Proceedings of the International Society for …, 2021 - par.nsf.gov
We report a new method for SNR-enhancing reconstruction of multi-TE MRSI data. Speci
cally, we designed a deep complex convolutional autoencoder (DCCAE) to learn a …

Spatiospectral reconstruction from Hybrid FID/SE J-resolved MRSI data with limited coverage of (k, t, t J)-space

Y Zhao, Y Li, J Xiong, R Guo, Y Li… - Proc Intl Soc Mag Reson …, 2020 - archive.ismrm.org
J-resolved MRSI using hybrid FID/SE signals has recently been proposed as an effective
approach to achieving rapid, high-resolution mapping of brain metabolites and …

[PDF][PDF] Optimized subspace-based J-Resolved MRSI for simultaneous metabolite and neurotransmitter mapping

Z Wang, Y Li, F Lam - Proceedings of the International Society for …, 2021 - par.nsf.gov
Synopsis J-resolved H-MRSI o ers improved molecular speci city by encoding the J-coupling
evolution of di erent molecules at multiple TEs. The addition of another encoding dimension …

High resolution magnetic resonance spectroscopic imaging of the brain from 3T to 7T

R Guo - 2022 - ideals.illinois.edu
The objective of this thesis research is to develop fast high-resolution magnetic resonance
spectroscopic imaging (MRSI) methods of the brain at both high field (3 Tesla) and ultrahigh …

Learning-based tumor segmentation using metabolic imaging features

Y Liang - 2021 - ideals.illinois.edu
The ultimate objective of brain tumor imaging is to distill patient-specific knowledge that
guides therapy planning and medical care. Magnetic resonance imaging (MRI) is a …

Rapid High-Resolution Mapping of Brain Metabolites and Neurotransmitters Using Hybrid FID/SE-J-Resolved Spectroscopic Signals

Y Zhao, Y Li, J Xiong, R Guo, Y Li, ZP Liang - 2020 - archive.ismrm.org
J-resolved MRSI is a powerful tool for separating overlapping resonances in conventional
MRSI, which is especially useful for mapping neurotransmitters like γ-aminobutyric acid and …

[PDF][PDF] High-Resolution brain metabolite T2 mapping using optimized multi-TE MRSI

Z Wang, Y Li - Proceedings of the International Society for Magnetic …, 2022 - par.nsf.gov
Metabolite T2 is recognized as an important physiological and disease biomarker, whose
measurement also beneêts metabolite quantiêcation. However, the SNR challenge of MRSI …