Image downsampling expedited adaptive least‐squares (IDEAL) fitting improves intravoxel incoherent motion (IVIM) analysis in the human kidney

J Stabinska, HJ Zöllner, TA Thiel… - Magnetic resonance …, 2023 - Wiley Online Library
Purpose To improve the reliability of intravoxel incoherent motion (IVIM) model parameter
estimation for the DWI in the kidney using a novel image downsampling expedited adaptive …

A tri-exponential model for intravoxel incoherent motion analysis of the human kidney: in silico and during pharmacological renal perfusion modulation

R van der Bel, OJ Gurney-Champion, M Froeling… - European journal of …, 2017 - Elsevier
In the kidneys, there is both blood flow through the capillaries and flow of pre-urine through
the tubuli and collecting ducts. We hypothesized that diffusion-weighted (DW) MRI measures …

Intravoxel incoherent motion modeling in the kidneys: comparison of mono‐, bi‐, and triexponential fit

S van Baalen, A Leemans, P Dik… - Journal of magnetic …, 2017 - Wiley Online Library
Purpose To evaluate if a three‐component model correctly describes the diffusion signal in
the kidney and whether it can provide complementary anatomical or physiological …

Model‐based reconstructions for intravoxel incoherent motion and diffusion tensor imaging parameter map estimations

SS Rauh, O Maier, OJ Gurney‐Champion… - NMR in …, 2023 - Wiley Online Library
Intravoxel incoherent motion (IVIM) imaging and diffusion tensor imaging (DTI) facilitate
noninvasive quantification of tissue perfusion and diffusion. Both are promising biomarkers …

Deep learning how to fit an intravoxel incoherent motion model to diffusion‐weighted MRI

S Barbieri, OJ Gurney‐Champion… - Magnetic resonance …, 2020 - Wiley Online Library
Purpose This prospective clinical study assesses the feasibility of training a deep neural
network (DNN) for intravoxel incoherent motion (IVIM) model fitting to diffusion‐weighted …

Calculation of intravoxel incoherent motion parameter maps using a kernelized total difference‐based method

HM Huang - NMR in Biomedicine, 2024 - Wiley Online Library
Quantitative analysis of diffusion‐weighted magnetic resonance imaging (DW‐MRI) has
been explored for many clinical applications since its development. In particular, the …

An unsupervised convolutional neural network method for estimation of intravoxel incoherent motion parameters

HM Huang - Physics in Medicine & Biology, 2022 - iopscience.iop.org
Objective. Intravoxel incoherent motion (IVIM) imaging obtained by fitting a biexponential
model to multiple b-value diffusion-weighted magnetic resonance imaging (DW-MRI) has …

Motion-robust spatially constrained parameter estimation in renal diffusion-weighted MRI by 3D motion tracking and correction of sequential slices

S Kurugol, B Marami, O Afacan, SK Warfield… - … and Analysis of Moving …, 2017 - Springer
In this work, we introduce a novel motion-robust spatially constrained parameter estimation
(MOSCOPE) technique for kidney diffusion-weighted MRI. The proposed motion …

Quantification of intravoxel incoherent motion with optimized b‐values using deep neural network

W Lee, B Kim, HW Park - Magnetic Resonance in Medicine, 2021 - Wiley Online Library
Purpose To develop a framework for quantifying intravoxel incoherent motion (IVIM)
parameters, where a neural network for quantification and b‐values for diffusion‐weighted …

[PDF][PDF] Analysis of renal diffusion-weighted imaging (DWI) using apparent diffusion coefficient (ADC) and intravoxel incoherent motion (IVIM) models

NP Jerome, JS Periquito - Preclinical MRI of the Kidney: Methods …, 2021 - library.oapen.org
Abstract Analysis of renal diffusion-weighted imaging (DWI) data to derive markers of tissue
properties requires careful consideration of the type, extent, and limitations of the acquired …