Fuzzy spatial relationships for image processing and interpretation: a review

  • Authors:
  • Isabelle Bloch

  • Affiliations:
  • Ecole Nationale Supérieure des Télécommunications, Département TSI-CNRS UMR 5141 LTCI, 46 rue Barrault, 75013 Paris, France

  • Venue:
  • Image and Vision Computing
  • Year:
  • 2005

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Abstract

In spatial reasoning, relationships between spatial entities play a major role. In image interpretation, computer vision and structural recognition, the management of imperfect information and of imprecision constitutes a key point. This calls for the framework of fuzzy sets, which exhibits nice features to represent spatial imprecision at different levels, imprecision in knowledge and knowledge representation, and which provides powerful tools for fusion, decision-making and reasoning. In this paper, we review the main fuzzy approaches for defining spatial relationships including topological (set relationships, adjacency) and metrical relations (distances, directional relative position).