Article

Hierarchical Bayesian Modelling Improves Microstructural Parameter Mapping in Diffusion and Exchange MRI Data

2025-09-06

Abstract excerpt

Microstructure modelling quantifies subvoxel tissue features by combining an MRI acquisition with a mathematical model, which is typically fitted voxel-by-voxel with least-squares (LSQ) minimisation to give voxelwise maps of microstructural quantities such as diffusivity and compartmental fractions. Such approaches are susceptible to voxelwise noise, which can lead to erroneous values in parameter maps. Hierarchic...

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Literature Corpus work: 4081f7d7-5b68-5471-bb3b-ceb1e0a24f2a
DOI: 10.1101/2025.09.04.674046

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