Image segmentation in a kernel-induced space

  • Authors:
  • M. Ben Salah;A. Mitiche;I Ben Ayed

  • Affiliations:
  • EMT, Institut national de la recherche scientifique, Montréal, QC, Canada;EMT, Institut national de la recherche scientifique, Montréal, QC, Canada;General Electric Canada, London, ON, Canada

  • Venue:
  • ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
  • Year:
  • 2009

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Abstract

A novel level set multiphase image segmentation method combined with kernel mapping is presented. A kernel function maps implicitly the original data into data of a higher dimension so that the piecewise constant model becomes applicable. The goal is to consider several types of noise by a single model. Gradient flow equations are iteratively derived in order to minimize the segmentation functional with respect to the partition, in a first step, and the regions parameters in a second step. Using a common kernel function, we verified the effectiveness of the method by a quantitative and comparative performance evaluation over experiments on synthetic images, as well as a variety of real images such as medical, SAR, and natural images.