Locally regularized smoothing B-snake

  • Authors:
  • Jérôme Velut;Hugues Benoit-Cattin;Christophe Odet

  • Affiliations:
  • CREATIS, CNRS UMR, INSA, Bâtiment Blaise Pascal, Villeurbanne, France;CREATIS, CNRS UMR, INSA, Bâtiment Blaise Pascal, Villeurbanne, France;CREATIS, CNRS UMR, INSA, Bâtiment Blaise Pascal, Villeurbanne, France

  • Venue:
  • EURASIP Journal on Applied Signal Processing
  • Year:
  • 2007

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Abstract

We propose a locally regularized snake based on smoothing-spline filtering. The proposed algorithm associates a regularization process with a force equilibrium scheme leading the snake's deformation. In this algorithm, the regularization is implemented with a smoothing of the deformation forces. The regularization level is controlled through a unique parameter that can vary along the contour. It provides a locally regularized smoothing B-snake that offers a powerful framework to introduce prior knowledge. We illustrate the snake behavior on synthetic and real images, with global and local regularization.