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Multi-language online handwriting recognition based on beta-elliptic model and hybrid TDNN-SVM classifier

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Abstract

Recently, several researches were carried on handwritten document analysis field thanks to the evolution of data capture technologies. For a given document, multiple components could be treated as text, signatures and graphics. In this study, we present a new framework for a Multilanguage online handwritten text analysis where both script identification and recognition are made. The proposed system proceeds by segmenting the script into continuous trajectories delimited between two successive pen-down and pen-up moments. These segments are clustered and trained using Time Delay Neural Network (TDNN) according to their beta-elliptic parameters. In script identification process, the segments belonging to the same script are gathered and brought to a Recurrent Neural Network with Long Short Term Memory (RNN-LSTM) in order to identify its language. For script recognition stage, the samples from the already selected language database are trained and tested using the fuzzy output description obtained by the TDNN coupled to a Support Vector Machines (SVM). The Experiments were made on a large multi-language database containing 45686 online handwriting words from Latin, Arabic and digit scripts and shows very promising results that exceed the recognition rate of 99%.

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Acknowledgements

This work was supported by grants from the General Direction of Scientific Research and Technological Renovation (DGRST), Tunisia, under the ARUB program 01/UR/11/02.

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Authors and Affiliations

  1. National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia

    Ramzi Zouari & Houcine Boubaker

  2. Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia

    Monji Kherallah

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  1. Ramzi Zouari
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  2. Houcine Boubaker
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  3. Monji Kherallah
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Correspondence to Ramzi Zouari.

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Zouari, R., Boubaker, H. & Kherallah, M. Multi-language online handwriting recognition based on beta-elliptic model and hybrid TDNN-SVM classifier. Multimed Tools Appl 78, 12103–12123 (2019). https://doi.org/10.1007/s11042-018-6764-0

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