High Angular Resolution Diffusion MRI Segmentation Using Region-Based Statistical Surface Evolution

Authors:
Maxime Descoteaux;Rachid Deriche
Affiliations:
Project Team Odyssée, INRIA/ENPC/ENS, INRIA Sophia Antipolis--Méditerranée, Sophia Antipolis, France 06902;Project Team Odyssée, INRIA/ENPC/ENS, INRIA Sophia Antipolis--Méditerranée, Sophia Antipolis, France 06902
Venue:
Journal of Mathematical Imaging and Vision
Year:
2009

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Abstract

In this article we develop a new method to segment high angular resolution diffusion imaging (HARDI) data. We first estimate the orientation distribution function (ODF) using a fast and robust spherical harmonic (SH) method. Then, we use a region-based statistical surface evolution on this image of ODFs to efficiently find coherent white matter fiber bundles. We show that our method is appropriate to propagate through regions of fiber crossings and we show that our results outperform state-of-the-art diffusion tensor (DT) imaging segmentation methods, inherently limited by the DT model. Results obtained on synthetic data, on a biological phantom, on real datasets and on all 13 subjects of a public NMR database show that our method is reproducible, automatic and brings a strong added value to diffusion MRI segmentation.