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Carotid Lumen Segmentation Based on Tubular Anisotropy and Contours Without Edges

Mille, Julien; Benmansour, Fethallah; Cohen, Laurent D. (2009), Carotid Lumen Segmentation Based on Tubular Anisotropy and Contours Without Edges, The MIDAS Journal, Special issue on Carotid Lumen Segmentation and Stenosis Grading (MICCAI 2009 Grand Challenge III), July 2009

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Type
Article accepté pour publication ou publié
Date
2009
Journal name
The MIDAS Journal
Volume
Special issue on Carotid Lumen Segmentation and Stenosis Grading (MICCAI 2009 Grand Challenge III)
Number
July 2009
Metadata
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Author(s)
Mille, Julien

Benmansour, Fethallah

Cohen, Laurent D.
Abstract (EN)
We present a semi-automatic algorithm for Carotid lumen segmentation on CTA images.Our method is based on a variant of the minimal path method that models the vessel as a centerline and boundary. This is done by adding one dimension for the local radius around the centerline. The crucial step of our method is the definition of the local metrics to minimize. We have chosen to exploit the tubular structure of the vessels one wants to extract to built an anisotropic metric giving higher speed on the center of the vessels and also when the minimal path tangent is coherent with the vessel’s direction. Due to carotid stenosis or occlusions on the provided data, segmentation is refined using a region-based level sets.
Subjects / Keywords
Algorithm for Carotid lumen segmentation

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