Multichannel Segmentation Using Contour Relaxation: Fast Super-Pixels and Temporal Propagation

  • Rudolf Mester
  • Christian Conrad
  • Alvaro Guevara
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6688)

Abstract

The contribution describes a statistical framework for image segmentation that is characterized by the following features: It allows to model scalar as well as multi-channel images (color, texture feature sets, depth, ...) in a region-based manner, including a Gibbs-Markov random field model that describes the spatial (and temporal) cohesion tendencies of ’real’ label fields. It employs a principled target function resulting from a statistical image model and maximum-a-posteriori estimation, and combines it with a computationally very efficient way (’contour relaxation’) for determining a (local) optimum of the target function. We show in many examples that even these local optima provide very reasonable and useful partitions of the image area into regions. A very attractive feature of the proposed method is that a reasonable partition is reached within some few iterations even when starting from a ’blind’ initial partition (e.g. for ’superpixels’), or when — in sequence segmentation — the segmentation result of the previous image is used as starting point for segmenting the current image.

Keywords

Image Segmentation Segmentation Result Foreground Object Initial Segmentation Label Image 
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 2011

Authors and Affiliations

  • Rudolf Mester
    • 1
    • 2
  • Christian Conrad
    • 1
  • Alvaro Guevara
    • 1
  1. 1.VSI Lab, Computer Science Dept.Goethe UniversityFrankfurtGermany
  2. 2.Computer Vision Laboratory, Dept. EELinköping UniversitySweden

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