We propose a method to accelerate the acquisition of High Angular Resolution Diffusion Magnetic Resonance Imaging (HARDI) in order to promote its application in a clinical setting. The method relies on a Spherical Deconvolution approach where the fibre orientation distribution (FOD) is recovered in all voxels simultaneously. The dMRI acquisition is meant to be accelerated through the partial Fourier sampling of each diffusion weighted image. Despite the further reduction of the acquired information, the FOD estimation still preserves its angular resolution thanks to the structured sparsity prior that is imposed in the problem.
|Number of pages||1|
|Publication status||Published - 30 Jan 2017|
|Event||International Biomedical and Astronomical Signal Processing Frontiers Workshop 2017 - Villars-sur-Ollon, Switzerland|
Duration: 29 Jan 2017 → 3 Feb 2017
|Conference||International Biomedical and Astronomical Signal Processing Frontiers Workshop 2017|
|Abbreviated title||BASP Frontiers 2017|
|Period||29/01/17 → 3/02/17|
Pesce, M., Auria, A., Daducci, A., Thiran, J-P., & Wiaux, Y. (2017). Joint kq-space acceleration for fibre orientation estimation in diffusion MRI. Paper presented at International Biomedical and Astronomical Signal Processing Frontiers Workshop 2017, Villars-sur-Ollon, Switzerland.