Volumetric medical images segmentation using shape constrained deformable models

  • Montagnat J
  • Delingette H
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Abstract

In this paper we address the problem of extracting geometric models from low contrast volumetric images, given a template or reference shape of that model. We proceed by deforming a reference model in a volumetric image. This reference deformable model is represented as a simplex mesh submitted to regularizing shape constraint. Furthermore, we introduce an original approach that combines the deformable model framework with the elastic registration (based on iterative closest point algorithm) method. This new method increases the robustness of segmentation while allowing very complex deformation of the original template. Examples of segmentation of the liver and brain ventricles are provided. © Springer-Verlag Berlin Heidelberg 1997.

Author-supplied keywords

  • Complex deformation; Deformable modeling; Elastic
  • Computer vision
  • Deformation; Image processing; Image segmentation;

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Authors

  • J Montagnat

  • H Delingette

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