Shape-Based Alphabet for Off-line Arabic Handwriting Recognition

  • Authors:
  • F. Menasri;N. Vincent;M. Cheriet;E. Augustin

  • Affiliations:
  • SIP-CRIP5 Universite de Paris 5 (France);SIP-CRIP5 Universite de Paris 5 (France);ETS - Montreal (Canada);A2iA SA - Paris (France)

  • Venue:
  • ICDAR '07 Proceedings of the Ninth International Conference on Document Analysis and Recognition - Volume 02
  • Year:
  • 2007

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Abstract

This article describes an off-line handwritten Arabic words recognition system. Both explicit grapheme segmen- tation and feature extraction are originally designed for Latin cursive handwriting. The recognizer itself is a Hybrid HMM/NN. We introduce a new shape-based alphabet for handwriting Arabic recognition which is intended to benefit from some specificities of Arabic writing. We performed several experiments using IFN/ENIT benchmark database to validate our approach. Our rec- ognizer performs as close as the state of the art recogni- tion rate with 87%. The latter results are indeed very en- couraging as many perspectives and improvements may be considered. Especially, the explicit processing of dots and diacritics, therefore making use of more prior knowledge of Arabic writing specificities.