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Bergmann O, Kindlmann G, Lundervold A, Westin C-F. Diffusion k-tensor estimation from Q-ball imaging using discretized principal axes. Med Image Comput Comput Assist Interv 2006;9(Pt 2):268-75.
A reoccurring theme in the diffusion tensor imaging literature is the per-voxel estimation of a symmetric 3 x 3 tensor describing the measured diffusion. In this work we attempt to generalize this approach by calculating 2 or 3 or up to k diffusion tensors for each voxel. We show that our procedure can more accurately describe the diffusion particularly when crossing fibers or fiber-bundles are present in the datasets.Last updated on 02/24/2023