3D CTA image segmentation with a generalized cylinder-based tree model

Authors:
Julien Mille;Laurent D. Cohen
Affiliations:
Université de Lyon, CNRS, Université Lyon 1, LIRIS, UMR, France;CEREMADE, UMR CNRS, Université Paris Dauphine, France
Venue:
ISBI'10 Proceedings of the 2010 IEEE international conference on Biomedical imaging: from nano to Macro
Year:
2010

Citing 4
Cited 0

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Active contours without edges

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Abstract

The proposed model is devoted to the segmentation and reconstruction of 3D vascular trees 1. We rely on an explicit representation of a deformable tree, where topological relationships between segments are modeled. This allows easy posterior interactions and quantitative analysis, such as measuring diameters or lengths of vessels. Starting from a unique user-provided root point, an initial tree is built with a technique relying on minimal paths. Within the constructed tree, the central curve of each segment and an associated variable radius function evolve in order to satisfy a region homogeneity criterion. We present results obtained on 3D CTA images of the carotid bifurcation.