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Offline cursive script word recognition – a survey

Tal Steinherz1, Ehud Rivlin2 and Nathan Intrator1

(1)  School of Mathematical Sciences, Sackler Faculty of Exact Sciences, Tel-Aviv University, Ramat Aviv 69978, Israel; e-mail: {talstz,nin}@math.tau.ac.il , IL
(2)  Department of Computer Science, Technion, Technion City 32000, Israel; e-mail: ehudr@cs.technion.ac.il , IL
Abstract.   We review the field of offline cursive word recognition. We mainly deal with the various methods that were proposed to realize the core of recognition in a word recognition system. These methods are discussed in view of the two most important properties of such a system: the size and nature of the lexicon involved, and whether or not a segmentation stage is present. We classify the field into three categories: segmentation-free methods, which compare a sequence of observations derived from a word image with similar references of words in the lexicon; segmentation-based methods, that look for the best match between consecutive sequences of primitive segments and letters of a possible word; and the perception-oriented approach, that relates to methods that perform a human-like reading technique, in which anchor features found all over the word are used to boot-strap a few candidates for a final evaluation phase.

Key words:Offline – Cursive – Handwritten – Word recognition – Segmentation – Survey

Received September 21, 1998 / Revised September 2, 1999

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Referenced by
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  1. (2006) Writer Independent Online Handwritten Character Recognition Using a Simple Approach . Information Technology Journal 5(3)
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  2. Rahman, Md. Abdur (2007) . IEEE Transactions on Instrumentation and Measurement 56(6)
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  3. Plötz, Thomas (2009) Markov models for offline handwriting recognition: a survey. International Journal of Document Analysis and Recognition (IJDAR)
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  4. Karacs, Kristóf (2008) Cellular wave computer algorithms with spatial semantic embedding for handwritten text recognition. International Journal of Circuit Theory and Applications
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  5. Koerich, A.L. (2005) Recognition and Verification of Unconstrained Handwritten Words. IEEE Transactions on Pattern Analysis and Machine Intelligence 27(10)
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  6. Steinherz, T. (2005) An Integration of Online and Pseudo-Online Information for Cursive Word Recognition. IEEE Transactions on Pattern Analysis and Machine Intelligence 27(5)
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  7. El-Yacoubi, M.A. (2002) A statistical approach for phrase location and recognition within a text line: an application to street name recognition. IEEE Transactions on Pattern Analysis and Machine Intelligence 24(2)
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  8. Marinai, S. (2005) Artificial neural networks for document analysis and recognition. IEEE Transactions on Pattern Analysis and Machine Intelligence 27(1)
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  9. Schlapbach, Andreas (2007) A writer identification and verification system using HMM based recognizers. Pattern Analysis and Applications 10(1)
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