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Abstract #4346

Joint estimation of phase and diffusion tensor parameters from multi-shot k-q-space data: a proof of concept

Banafshe Shafieizargar1, Ben Jeurissen1, Arnold Jan den Dekker1, and Jan Sijbers1
1imec-Vision Lab, Department of Physics, University of Antwerp, Antwerp, Belgium

To address the issue of phase induced artifacts in multi-shot diffusion weighted imaging, we propose a model-based framework which enables the joint estimation of diffusion and phase parameters directly from the multi-shot k-q-space. In a simulation study, we show that using this framework, diffusion parameters can be estimated more accurately and precisely than with the conventional method (image reconstruction followed by voxel-wise model fitting) that ignores phase differences.

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