Defining Writer's Invariants to Adapt the Recognition Task

  • Authors:
  • Ali Nosary;Laurent Heutte;Thierry Paquet;Yves Lecourtier

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ICDAR '99 Proceedings of the Fifth International Conference on Document Analysis and Recognition
  • Year:
  • 1999

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Abstract

This work investigates the automatic reading of unconstrained omni-writer handwritten texts. It shows how to endow the reading system with adaptation faculties to each writer's handwriting. The adaptation principles are of major importance to make robust decisions when neither simple lexical nor syntactical rules can be used e.g. for free lexicon and full text recognition. The first part of this communication defines the concept of writer's invariants. In the second part we explain how the recognition system can be adapted to the current handwriting by exploiting the graphical context defined by the writer's invariants. This adaptation is guaranteed, thanks to the writer's invariants, by activating interaction links over the whole text between the recognition procedures of word entities and those of letter entities.