Quantifying brain microstructure with diffusion MRI: Theory and parameter estimation
We review, systematize and discuss models of diffusion in neuronal tissue, by putting them
into an overarching physical context of coarse‐graining over an increasing diffusion length …
into an overarching physical context of coarse‐graining over an increasing diffusion length …
[HTML][HTML] Challenges for biophysical modeling of microstructure
IO Jelescu, M Palombo, F Bagnato… - Journal of Neuroscience …, 2020 - Elsevier
The biophysical modeling efforts in diffusion MRI have grown considerably over the past 25
years. In this review, we dwell on the various challenges along the journey of bringing a …
years. In this review, we dwell on the various challenges along the journey of bringing a …
Denoising of diffusion MRI using random matrix theory
We introduce and evaluate a post-processing technique for fast denoising of diffusion-
weighted MR images. By exploiting the intrinsic redundancy in diffusion MRI using universal …
weighted MR images. By exploiting the intrinsic redundancy in diffusion MRI using universal …
Diffusion MRI noise mapping using random matrix theory
J Veraart, E Fieremans… - Magnetic resonance in …, 2016 - Wiley Online Library
Purpose To estimate the spatially varying noise map using a redundant series of magnitude
MR images. Methods We exploit redundancy in non‐Gaussian distributed multidirectional …
MR images. Methods We exploit redundancy in non‐Gaussian distributed multidirectional …
Weighted linear least squares estimation of diffusion MRI parameters: strengths, limitations, and pitfalls
Purpose Linear least squares estimators are widely used in diffusion MRI for the estimation
of diffusion parameters. Although adding proper weights is necessary to increase the …
of diffusion parameters. Although adding proper weights is necessary to increase the …
Rotationally-invariant mapping of scalar and orientational metrics of neuronal microstructure with diffusion MRI
We develop a general analytical and numerical framework for estimating intra-and extra-
neurite water fractions and diffusion coefficients, as well as neurite orientational dispersion …
neurite water fractions and diffusion coefficients, as well as neurite orientational dispersion …
Evaluation of the accuracy and precision of the diffusion parameter EStImation with Gibbs and NoisE removal pipeline
This work evaluates the accuracy and precision of the Diffusion parameter EStImation with
Gibbs and NoisE Removal (DESIGNER) pipeline, developed to identify and minimize …
Gibbs and NoisE Removal (DESIGNER) pipeline, developed to identify and minimize …
Microstructural imaging of the human brain with a 'super-scanner': 10 key advantages of ultra-strong gradients for diffusion MRI
The key component of a microstructural diffusion MRI 'super-scanner'is a dedicated high-
strength gradient system that enables stronger diffusion weightings per unit time compared …
strength gradient system that enables stronger diffusion weightings per unit time compared …
Constrained optimization of gradient waveforms for generalized diffusion encoding
Diffusion MRI is a useful probe of tissue microstructure. The conventional diffusion encoding
sequence, the single pulsed field gradient, has recently been challenged as more general …
sequence, the single pulsed field gradient, has recently been challenged as more general …
One diffusion acquisition and different white matter models: how does microstructure change in human early development based on WMTI and NODDI?
White matter microstructural changes during the first three years of healthy brain
development are characterized using two different models developed for limited clinical …
development are characterized using two different models developed for limited clinical …