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By Iman Aganj, Christophe Lenglet and Guillermo SapiroIman Aganj, Christophe Lenglet and Guillermo Sapiro


Introduction: Q-ball imaging (Tuch 2004) is a high angular resolution diffusion MR imaging technique proven successful in resolving multiple intravoxel fiber orientations. Standard computations of the orientation distribution function (ODF, the probability of diffusion in a given direction) from q-ball use radial projections and do not consider the solid angle, resulting in distributions different from the true ODFs. Moreover, these distributions are not normalized, and tend to be very smooth. This makes it ver

Year: 2009
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