Abstract #2829
Recovering Detailed Intra-voxel White Matter Structure by using an Adaptive Diffusion Dictionary
Ramon Aranda 1 , Mariano Rivera 1 , and Alonso Ramirez-Manzanares 1
1
Computer Science Department, Centro de
Investigacin en Matemticas, Guanajuato, Guanajuato,
Mexico
In this work, we present an voxel-wise adaptive
diffusion dictionary to estimate on in vivo brain the
structure of the axonal fiber populations. Our proposal
overcomes the following limitations of the diffusion
dictionary-based methods: the limited angular resolution
and the fixed shapes for the atom set. The improvements
obtained in the intra-voxel structure estimations at
fiber crossings, bifurcations, kissings, etc, benefit
brain research, allowing to obtain better tractography
estimations, hence, it results in an accurate
computation of the brain connectivity patterns.
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