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Reducing acquisition time for microstructure imaging with spatially-regularized global optimization

Authors
  • Auría Rasclosa, Anna
  • Romascano, David Paul Roger
  • Canales-Rodriguez, Erick J.
  • Dyrby, Tim B.
  • Alexander, Daniel C.
  • Thiran, Jean-Philippe
  • Wiaux, Yves
  • Daducci, Alessandro
Publication Date
Jan 01, 2016
Source
Infoscience @ EPFL
Keywords
License
Unknown
External links

Abstract

Microstructure imaging with diffusion MRI (dMRI) is usually based on fitting models to the data using voxelwise nonlinear procedures that (i) are time consuming and (ii) need long acquisitions. Recently, we introduced the AMICO framework to accelerate the fit; here, we propose an extension to enable faster acquisitions, too. Our formulation allows exploiting information from neighboring voxels that is not accessible with existing approaches.

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