Segmentation of 3D brain structures using the Bayesian generalized fast marching method

Authors:
Mohamed Baghdadi;Nacéra Benamrane;Lakhdar Sais
Affiliations:
Department of Informatics, USTOMB, Oran, Algeria;Department of Informatics, USTOMB, Oran, Algeria;Université Lille Nord de France, CRIL, CNRS, Lens Cedex 3
Venue:
BI'10 Proceedings of the 2010 international conference on Brain informatics
Year:
2010

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Abstract

In this paper a modular approach of segmentation which combines the Bayesian model with the deformable model is proposed. It is based on the level set method, and breaks up into two great parts. Initially, a preliminary stage allows constructing the information map. Then, a deformable model, implemented with the Generalized Fast Marching Method (GFMM), evolves towards the structure to be segmented, under the action of a force defined from the information map. This last is constructed from the posterior probability information. The major contribution of this work is the use and the improvement of the GFMM for the segmentation of 3D images and also the design of a robust evolution model based on adaptive parameters depending on the image. Experimental evaluation of our segmentation approach on several MRI volumes shows satisfactory results.