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DOI: 10.1007/978-3-642-04271-3_50 Evaluation of q-Space Sampling Strategies for the Diffusion Magnetic Resonance Imaging

By Haz-edine Assemlal, David TschumperlĂ© and Luc Brun


Abstract. We address the problem of efficient sampling of the diffusion space for the Diffusion Magnetic Resonance Imaging (dMRI) modality. While recent scanner improvements enable the acquisition of more and more detailed images, it is still unclear which q-space sampling strategy gives the best performance. We evaluate several q-space sampling distributions by an approach based on the approximation of the MR signal by a series expansion of Spherical Harmonics and Laguerre-Gaussian functions. With the help of synthetic experiments, we identify a subset of sampling distributions which leads to the best reconstructed data.

Year: 2013
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