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Segmentation by watersheds: definition and parallel implementation

  • Jos B. T. M. Roerdink
  • Arnold Meijster
Conference paper
Part of the Advances in Computing Science book series (ACS)

Abstract

In the field of grey scale mathematical morphology the watershed transform, originally proposed by Digabel and Lantuéjoul, is frequently used for image segmentation [1, 9, 11]. It can be classified as a region-based segmentation approach. The intuitive idea underlying this method is that of flooding a landscape or topographic relief with water. Basins will fill up with water starting at local minima, and at points where water coming from different basins would meet, dams are built. When the water level has reached the highest peak in the landscape, the process is stopped. The set of dams thus obtained partitions the landscape into regions or ‘catchment basins’ separated by dams. These dams are called watershed lines or simply watersheds. A sketch is given in Fig. 1.

Keywords

Short Path Parallel Implementation Priority Queue Mathematical Morphology Level Component 
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/Wien 1997

Authors and Affiliations

  • Jos B. T. M. Roerdink
  • Arnold Meijster

There are no affiliations available

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