Julio Duarte-Carvajalino1,
  Christophe Lenglet1, Junqian Xu2, Essa S. Yacoub1,
  Kamil Ugurbil1, Steen Moeller1, Lawrence Carin3,
  Guillermo Sapiro3
 1Center
  for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN,
  United States; 2Mount Sinai School of Medicine, New York, NY,
  United States; 3Dept. of Electrical and Computer Engineering, Duke
  University, Durham, NC, United States
This work introduces a novel multi-task Bayesian compressive sensing approach for the direct and joint estimation of white matter fiber orientation distribution function and diffusion-weighted volumes from under-sampled HARDI data.
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