Efficient Schemes for Computing α-tree Representations

  • Jiří Havel
  • François Merciol
  • Sébastien Lefèvre
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7883)

Abstract

Hierarchical image representations have been addressed by various models by the past, the max-tree being probably its best representative within the scope of Mathematical Morphology. However, the max-tree model requires to impose an ordering relation between pixels, from the lowest values (root) to the highest (leaves). Recently, the α-tree model has been introduced to avoid such an ordering. Indeed, it relies on image quasi-flat zones, and as such focuses on local dissimilarities. It has led to successful attempts in remote sensing and video segmentation. In this paper, we deal with the problem of α-tree computation, and propose several efficient schemes which help to ensure real-time (or near-real time) morphological image processing.

Keywords

α-tree Quasi-Flat Zones Image Partition Hierarchies Efficient Algorithms 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Jiří Havel
    • 1
  • François Merciol
    • 2
  • Sébastien Lefèvre
    • 2
  1. 1.Brno University of TechnologyCzech Republic
  2. 2.IRISAUniversité de Bretagne-SudFrance

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