Joined segmentation of cortical surface and brain volume in MRI using a homotopic deformable cellular model

Authors:
Yann Cointepas;Isabelle Bloch;Line Garnero
Affiliations:
ENST, Département TSI, CNRS URA, Paris Cedex 13, France;ENST, Département TSI, CNRS URA, Paris Cedex 13, France;LENA, CNRS URA, Paris Cedex 13, France
Venue:
3DIM'99 Proceedings of the 2nd international conference on 3-D digital imaging and modeling
Year:
1999

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Abstract

This paper presents a new method to segment both the brain volume and the cortical surface from a MR image of the head using a single model. This method is based on an original deformable model which can handle jointly volumes and surfaces using a cellular complex based representation. The model is initialized on the outer brain surface and then deformed inside the cortex folds according to both volumic and surfacic constraints, while preserving topology.