Combined diffusion‐relaxometry microstructure imaging: Current status and future prospects

PJ Slator, M Palombo, KL Miller… - Magnetic resonance …, 2021 - Wiley Online Library
Microstructure imaging seeks to noninvasively measure and map microscopic tissue
features by pairing mathematical modeling with tailored MRI protocols. This article reviews …

[HTML][HTML] Brain white-matter degeneration due to aging and Parkinson disease as revealed by double diffusion encoding

K Kamiya, K Kamagata, K Ogaki, T Hatano… - Frontiers in …, 2020 - frontiersin.org
Microstructure imaging by means of multidimensional diffusion encoding is increasingly
applied in clinical research, with expectations that it yields a parameter that better correlates …

[HTML][HTML] Data-Driven multi-Contrast spectral microstructure imaging with InSpect: INtegrated SPECTral component estimation and mapping

PJ Slator, J Hutter, RV Marinescu, M Palombo… - Medical image …, 2021 - Elsevier
We introduce and demonstrate an unsupervised machine learning technique for
spectroscopic analysis of quantitative MRI experiments. Our algorithm supports estimation of …

[HTML][HTML] Massively multidimensional diffusion-relaxation correlation MRI

O Narvaez, L Svenningsson, M Yon, A Sierra… - Frontiers in …, 2022 - frontiersin.org
Diverse approaches such as oscillating gradients, tensor-valued encoding, and diffusion-
relaxation correlation have been used to study microstructure and heterogeneity in healthy …

Quantitative evaluation for fluid components on 2D NMR spectrum using Blind Source Separation

M Gu, R Xie, G Jin, C Xu, S Wang, J Liu… - Journal of Magnetic …, 2021 - Elsevier
During oil and gas exploration, it is difficult to quantitatively evaluate fluid components and
accurately calculate the saturation of different fluids because of the overlapping of fluid …

[HTML][HTML] Spatiotemporal characterisation of ischaemic lesions in transient stroke animal models using diffusion free water elimination and mapping MRI with echo time …

E Farrher, CW Chiang, KH Cho, F Grinberg… - Neuroimage, 2021 - Elsevier
Background and purpose The excess fluid as a result of vasogenic oedema and the
subsequent tissue cavitation obscure the microstructural characterisation of ischaemic tissue …

Deep learning with synthetic diffusion MRI data for free-water elimination in glioblastoma cases

M Molina-Romero, B Wiestler, PA Gómez… - … Conference on Medical …, 2018 - Springer
Glioblastoma is the most common and aggressive brain tumor. In clinical practice, diffusion
MRI (dMRI) enables tumor infiltration assessment, tumor recurrence prognosis, and …

Blind source separation for myelin water fraction mapping using multi-echo gradient echo imaging

JE Song, J Shin, H Lee, HJ Lee… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In conventional gradient-echo myelin water imaging (GRE-MWI), myelin water fraction
(MWF) is estimated by fitting the multi-echo gradient recalled echo (mGRE) signal to a pre …

Improved multi-echo gradient-echo-based myelin water fraction mapping using dimensionality reduction

JE Song, DH Kim - IEEE Transactions on Medical Imaging, 2021 - ieeexplore.ieee.org
Multi-echo gradient-echo (mGRE)-based myelin water fraction (MWF) mapping is a
promising myelin water imaging (MWI) modality but is vulnerable to noise and artifact …

[HTML][HTML] Data-driven separation of MRI signal components for tissue characterization

S Rahbek, KH Madsen, H Lundell, F Mahmood… - Journal of Magnetic …, 2021 - Elsevier
Purpose MRI can be utilized for quantitative characterization of tissue. To assess eg water
fractions or diffusion coefficients for compartments in the brain, a decomposition of the signal …