midi

Microstructure Information from Diffusion Imaging

CRAN Package

An implementation of a taxonomy of models of restricted diffusion in biological tissues parametrized by the tissue geometry (axis, diameter, density, etc.). This is primarily used in the context of diffusion magnetic resonance (MR) imaging to model the MR signal attenuation in the presence of diffusion gradients. The goal is to provide tools to simulate the MR signal attenuation predicted by these models under different experimental conditions. The package feeds a companion 'shiny' app available at https://midi-pastrami.apps.math.cnrs.fr that serves as a graphical interface to the models and tools provided by the package. Models currently available are the ones in Neuman (1974) doi:10.1063/1.1680931, Van Gelderen et al. (1994) doi:10.1006/jmrb.1994.1038, Stanisz et al. (1997) doi:10.1002/mrm.1910370115, Soderman & Jonsson (1995) doi:10.1006/jmra.1995.0014 and Callaghan (1995) doi:10.1006/jmra.1995.1055.


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  • Imports7 packages
  • Suggests1 package