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arXiv · 1802.02912

Fast Fiber Orientation Estimation in Diffusion MRI from kq-Space Sampling and Anatomical Priors

Marica Pesce·Audrey Repetti·Anna Auría·Alessandro Daducci·Jean-Philippe Thiran·Yves Wiaux
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Abstract

High spatio-angular resolution diffusion MRI (dMRI) has been shown to provide accurate identification of complex neuronal fiber configurations, albeit, at the cost of long acquisition times. We propose a method to recover intra-voxel fiber configurations at high spatio-angular resolution relying on a 3D kq-space under-sampling scheme to enable accelerated acquisitions. Simulations and real data analysis suggest that accurate FOD mapping can be achieved from severe kq-space under-sampling regimes potentially enabling high spatio-angular resolution dMRI in the clinical setting.

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Marica Pesce, Audrey Repetti, Anna Auría, Alessandro Daducci, Jean-Philippe Thiran, Yves Wiaux. 2018-02-08. Fast Fiber Orientation Estimation in Diffusion MRI from kq-Space Sampling and Anatomical Priors. https://doi.org/10.3390/jimaging7110226

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