Automatic learning of edit costs based on interactive and adaptive graph recognit

  • Authors:
  • Francesc Serratosa;Albert Solé-Ribalta;Xavier Cortés

  • Affiliations:
  • Universitat Rovira i Virgili, Departament d'Enginyeria Informática i Matemàtiques, Spain;Universitat Rovira i Virgili, Departament d'Enginyeria Informática i Matemàtiques, Spain;Universitat Rovira i Virgili, Departament d'Enginyeria Informática i Matemàtiques, Spain

  • Venue:
  • GbRPR'11 Proceedings of the 8th international conference on Graph-based representations in pattern recognition
  • Year:
  • 2011

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Abstract

We propose a new method to automatically obtain edit costs for error-tolerant graph matching based on interactive and adaptive graph recognition. Values of edit costs for deleting and inserting nodes and vertices are crucial to obtain good results in the recognition ratio. Nevertheless, these parameters are difficult to be estimated and they are usually set by a naïve trial and error method. Moreover, we wish to seek these costs such that the system obtains the correct labelling between nodes of the input graph and nodes of the model graph. We consider the labelling imposed by a specialist is the correct one, for this reason, we need to present an interactive and adaptive graph recognition method in which there is a human interaction. Results show that when cost values are automatically found, the quality of labelling increases.