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  • Offline Cursive Character Recognition: A state of the art comparison

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    Author(s)
    Thornton, John
    Faichney, Jolon
    Blumenstein, Michael
    Nguyen, Vu
    Hine, Trevor
    Griffith University Author(s)
    Thornton, John R.
    Faichney, Jolon B.
    Blumenstein, Michael M.
    Hine, Trevor J.
    Nguyen, Vu
    Year published
    2009
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    Abstract
    Recent research has demonstrated the superiority of SVM-based approaches for offline cursive character recognition. In particular, Camastra's 2007 study showed SVM to be better than alternative LVQ and MLP approaches on the large C-Cube data set. Subsequent work has applied hierarchical vector quantization (HVQ) with temporal pooling to the same data set, improving on LVQ and MLP but still not reaching SVM recognition rates. In the current paper, we revisit Camastra's SVM study in order to explore the effects of using an alternative modified direction feature (MDF) vector representation, and to compare the performance of a ...
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    Recent research has demonstrated the superiority of SVM-based approaches for offline cursive character recognition. In particular, Camastra's 2007 study showed SVM to be better than alternative LVQ and MLP approaches on the large C-Cube data set. Subsequent work has applied hierarchical vector quantization (HVQ) with temporal pooling to the same data set, improving on LVQ and MLP but still not reaching SVM recognition rates. In the current paper, we revisit Camastra's SVM study in order to explore the effects of using an alternative modified direction feature (MDF) vector representation, and to compare the performance of a RBF-based approach against both SVM and HVQ. Our results show that SVMs still have the better performance, but that much depends on the feature sets employed. Surprisingly, the use of more sophisticated MDF feature vectors produced the poorest results on this data set despite their success on signature verification problems.
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    Conference Title
    Advances in Graphonomics: Proceedings of IGS 2009
    Publisher URI
    http://www.graphonomics.org/igs2009/
    Copyright Statement
    © 2009 International Graphonomics Society. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the conference's website for access to the definitive, published version.
    Subject
    Pattern Recognition and Data Mining
    Publication URI
    http://hdl.handle.net/10072/31841
    Collection
    • Conference outputs

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