An application of "agent-oriented" techniques to symbolic matching and object recognition

  • Authors:
  • Masahiro Takatsuka;Terry M. Caelli;Geoff A. W. West;Svetha Venkatesh

  • Affiliations:
  • Department of Geography, the Pennsylvania State University, University Park, PA;Department of Computing Science, The University of Alberta, Edmonton, AL, Canada T6G 2H1;School of Computing, Curtin University of Technology, Perth, WA 6102, Australia;School of Computing, Curtin University of Technology, Perth, WA 6102, Australia

  • Venue:
  • Pattern Recognition Letters - In memory of Professor E.S. Gelsema
  • Year:
  • 2002

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Abstract

This paper describes a feasibility study of "multi-agent oriented" techniques on a 2-D and 3-D object recognition system. The main aim of the project is to develop an inspection supporting tool that understands objects in both 2-D and 3-D in a unified system. 2-D and 3-D worlds are mapped to each other via agent-like entities each of which holds a conceptualized representation, allowing for a robust inference ability. Agents, each of which has symbolic representation of a part of an object, are hierarchically organized to represent a complete representation of an object. In this paper, object recognition is carried out with two matching methods: (1) the matching between an object model (agent's knowledge) and observed data, and (2) a constraint propagation-like method to achieve overall consistency among agents. The first is carried out with a symbolic Hopfield-type neural network and the second via a hierarchical Winner-Takes-All algorithm.