Object Classification Using Simple, Colour Based Visual Attention and a Hierarchical Neural Network for Neuro-symbolic Integration

  • Authors:
  • Hans A. Kestler;Steffen Simon;Axel Baune;Friedhelm Schwenker;Günther Palm

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • KI '99 Proceedings of the 23rd Annual German Conference on Artificial Intelligence: Advances in Artificial Intelligence
  • Year:
  • 1999

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Abstract

An object classification system built of a simple colour based visual attention method, and a prototype based hierarchical classifier is established as a link between subsymbolic and symbolic data processing. During learning the classifier generates a hierarchy of prototypes. These prototypes constitute a taxonomy of objects. By assigning confidence values to the prototypes a classification request may also return symbols with confidence values. For performance evaluation the classifier was applied to the task of visual object categorization of three data sets, two real-world and one artificial. Orientation histograms on subimages were utilized as features.With the currently very simple feature extraction method, classification accuracies in the range of 69% to 90% were attained.