Mapping the human connectome using diffusion MRI at 300 mT/m gradient strength: Methodological advances and scientific impact

Q Fan, C Eichner, M Afzali, L Mueller, CMW Tax… - Neuroimage, 2022 - Elsevier
Tremendous efforts have been made in the last decade to advance cutting-edge MRI
technology in pursuit of mapping structural connectivity in the living human brain with …

[HTML][HTML] Reproducibility of the standard model of diffusion in white matter on clinical MRI systems

S Coelho, SH Baete, G Lemberskiy, B Ades-Aron… - NeuroImage, 2022 - Elsevier
Estimating intra-and extra-axonal microstructure parameters, such as volume fractions and
diffusivities, has been one of the major efforts in brain microstructure imaging with MRI. The …

Tensor denoising of multidimensional MRI data

JL Olesen, A Ianus, L Østergaard… - Magnetic resonance …, 2023 - Wiley Online Library
Purpose To develop a denoising strategy leveraging redundancy in high‐dimensional data.
Theory and Methods The SNR fundamentally limits the information accessible by MRI. This …

[HTML][HTML] MP-PCA denoising of fMRI time-series data can lead to artificial activation “spreading”

FF Fernandes, JL Olesen, SN Jespersen, N Shemesh - NeuroImage, 2023 - Elsevier
MP-PCA denoising has become the method of choice for denoising MRI data since it
provides an objective threshold to separate the signal components from unwanted thermal …

SNR‐enhanced diffusion MRI with structure‐preserving low‐rank denoising in reproducing kernel Hilbert spaces

G Ramos‐Llordén… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose To introduce, develop, and evaluate a novel denoising technique for diffusion MRI
that leverages nonlinear redundancy in the data to boost the SNR while preserving signal …

Feasibility of accelerated prostate diffusion-weighted imaging on 0.55 T MRI enabled with random matrix theory denoising

G Lemberskiy, H Chandarana, M Bruno… - Investigative …, 2023 - journals.lww.com
Methods Twenty-one volunteers and 2 prostate cancer patients were imaged with a 6-
channel pelvic surface array coil and an 18-channel spine array on a prototype 0.55 T …

Assessment of precision and accuracy of brain white matter microstructure using combined diffusion MRI and relaxometry

S Coelho, Y Liao, F Szczepankiewicz… - Human Brain …, 2024 - Wiley Online Library
Joint modeling of diffusion and relaxation has seen growing interest due to its potential to
provide complementary information about tissue microstructure. For brain white matter (WM) …

Noise mapping and removal in complex-valued multi-channel MRI via optimal shrinkage of singular values

KM Huynh, WT Chang, SH Chung, Y Chen… - … Conference on Medical …, 2021 - Springer
In magnetic resonance imaging (MRI), noise is a limiting factor for higher spatial resolution
and a major cause of prolonged scan time, owing to the need for repeated scans. Improving …

[HTML][HTML] Optimal shrinkage denoising breaks the noise floor in high-resolution diffusion MRI

K Huynh, WT Chang, Y Wu, PT Yap - Patterns, 2024 - cell.com
The spatial resolution attainable in diffusion magnetic resonance (MR) imaging is inherently
limited by noise. The weaker signal associated with a smaller voxel size, especially at a high …

Improved liver fat and quantification at 0.55 T using locally low‐rank denoising

SF Shih, B Tasdelen, E Yagiz, Z Zhang… - Magnetic …, 2024 - Wiley Online Library
Purpose To improve liver proton density fat fraction (PDFF) and R 2* R _2^ ∗ quantification
at 0.55 T by systematically validating the acquisition parameter choices and investigating the …