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Structured Image Segmentation Using Kernelized Features

  • Aurélien Lucchi
  • Yunpeng Li
  • Kevin Smith
  • Pascal Fua
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7573)

Abstract

Most state-of-the-art approaches to image segmentation formulate the problem using Conditional Random Fields. These models typically include a unary term and a pairwise term, whose parameters must be carefully chosen for optimal performance. Recently, structured learning approaches such as Structured SVMs (SSVM) have made it possible to jointly learn these model parameters. However, they have been limited to linear kernels, since more powerful non-linear kernels cause the learning to become prohibitively expensive. In this paper, we introduce an approach to “kernelize” the features so that a linear SSVM framework can leverage the power of non-linear kernels without incurring the high computational cost. We demonstrate the advantages of this approach in a series of image segmentation experiments on the MSRC data set as well as 2D and 3D datasets containing imagery of neural tissue acquired with electron microscopes.

Keywords

Feature Vector Image Segmentation Unary Term Optimal Label Structural Kernel 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Aurélien Lucchi
    • 1
  • Yunpeng Li
    • 1
  • Kevin Smith
    • 2
  • Pascal Fua
    • 1
  1. 1.Computer Vision LaboratoryEPFLLausanneSwitzerland
  2. 2.Light Microscopy CenterETHZZurichSwitzerland

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