Quantitative analysis of intravoxel incoherent motion (IVIM) diffusion MRI using total variation and Huber penalty function

EB Kayal, D Kandasamy, K Khare… - Medical …, 2017 - Wiley Online Library
Purpose Quantitative analysis in intravoxel incoherent motion (IVIM) imaging commonly
uses voxel‐wise estimation of the bi‐exponential model, which might not be reliable for …

Reproducibility of spatial penalty-based methodologies for intravoxel incoherent motion analysis with diffusion MRI

E Baidya Kayal, S Ganguly, D Kandasamy, K Khare… - Scientific Reports, 2024 - nature.com
Objective was to assess the precision and reproducibility of spatial penalty-based intravoxel
incoherent motion (IVIM) methods in comparison to the conventional bi-exponential (BE) …

Comparison of methods for estimation of the intravoxel incoherent motion (IVIM) diffusion coefficient (D) and perfusion fraction (f)

O Jalnefjord, M Andersson, M Montelius… - … Resonance Materials in …, 2018 - Springer
Objective Intravoxel incoherent motion (IVIM) shows great potential in many applications, eg,
tumor tissue characterization. To reduce image-quality demands, various IVIM analysis …

Radiologists' rating for comparative qualitative assessment of intravoxel incoherent motion using novel analysis methods

EB Kayal, D Kandasamy, R Yadav… - Journal of Computer …, 2024 - journals.lww.com
Objective The objective was to assess qualitative interpretability and quantitative precision
and reproducibility of intravoxel incoherent motion (IVIM) parametric images evaluated using …

Estimation of intravoxel incoherent motion parameters using low b-values

C Ye, D Xu, Y Qin, L Wang, R Wang, W Li, Z Kuai… - PLoS …, 2019 - journals.plos.org
Intravoxel incoherent motion (IVIM) imaging is a magnetic resonance imaging (MRI)
technique widely used in clinical applications for various organs. However, IVIM imaging at …

Intravoxel incoherent motion diffusion‐weighted MRI of the abdomen: the effect of fitting algorithms on the accuracy and reliability of the parameters

HJ Park, YS Sung, SS Lee, Y Lee… - Journal of Magnetic …, 2017 - Wiley Online Library
Purpose To evaluate the influence of fitting methods on the accuracy and reliability of
intravoxel incoherent motion (IVIM) parameters, with a particular emphasis on the constraint …

Optimizing b‐values schemes for diffusion MRI of the brain with segmented Intravoxel Incoherent Motion (IVIM) model

C Paganelli, MA Zampini, L Morelli… - Journal of Applied …, 2023 - Wiley Online Library
Purpose To define an optimal set of b‐values for accurate derivation of diffusion MRI
parameters in the brain with segmented Intravoxel Incoherent Motion (IVIM) model. Methods …

Effect of combination and number of b values in IVIM analysis with post-processing methodology: simulation and clinical study

AV Malagi, CJ Das, K Khare, F Calamante… - … Resonance Materials in …, 2019 - Springer
Objective To investigate the effect of number and combination of b values used on the
accuracy of estimated Intravoxel Incoherent Motion (IVIM) parameters using simulation and …

Accurate intravoxel incoherent motion parameter estimation using Bayesian fitting and reduced number of low b‐values

C Ye, D Xu, Y Qin, L Wang, R Wang, W Li… - Medical …, 2020 - Wiley Online Library
Purpose Intravoxel incoherent motion (IVIM) magnetic resonance imaging is a potential
noninvasive technique for the diagnosis of brain tumors. However, perfusion‐related …

Spatially constrained incoherent motion method improves diffusion‐weighted MRI signal decay analysis in the liver and spleen

V Taimouri, O Afacan, JM Perez‐Rossello… - Medical …, 2015 - Wiley Online Library
Purpose: To evaluate the effect of the spatially constrained incoherent motion (SCIM)
method on improving the precision and robustness of fast and slow diffusion parameter …