A hybrid approach for off-line Arabic handwriting recognition based on a Planar Hidden Markov modeling

Authors:
Sameh Masmoudi Touj;Najoua Essoukri Ben Amara;Hamid Amiri
Affiliations:
Institut Supérieur d'Informatique, Tunis, Tunisia;Ecole Nationale d'Ingénieurs de Sousse, Tunisia;Ecole Nationale d'Ingénieurs de Tunis, Tunisia
Venue:
ICDAR '07 Proceedings of the Ninth International Conference on Document Analysis and Recognition - Volume 02
Year:
2007

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Abstract

A novel approach for the Arabic handwriting recognition is presented. The use of a Planar Hidden Markov Model (PHMM) has permitted to split the Arabic script into five homogeneous horizontal regions. Each region was described by a 1D-HMM. This modeling is based on different levels of segmentation: horizontal, natural and vertical. Both holistic and analytical approaches have been tested for the description of the median band of the Arabic writing. We show finally that a hybrid approach conducted to the improvement of the whole system performances.