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    A novel triangulation procedure for thinning hand-written text

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    Publication date
    2001
    Author
    Melhi, M.
    Ipson, Stanley S.
    Booth, W.
    Keyword
    Thinning
    Skeletonisation
    Triangulation
    Handwriting
    Arabic text
    Peer-Reviewed
    Yes
    
    Metadata
    Show full item record
    Abstract
    This paper describes a novel procedure for thinning binary text images by generating graphical representations of words within the image. A smoothed polygonal approximation of the boundaries of each word is first decomposed into a set of contiguous triangles. Each triangle is then classified into one of only three possible types from which a graph is generated that represents the topological features of the object. Joining graph points with straight lines generates a final polygon skeleton that, by construction, is one pixel wide and fully connected. Results of applying the procedure to thinning Arabic and English handwriting are presented. Comparisons of skeleton structure and execution time with results from alternative techniques are also presented. The procedure is considerably faster than the alternatives tested when the image resolution is greater than 600 dpi and the graphical representation often needed in subsequent recognition steps is available without further processing.
    URI
    http://hdl.handle.net/10454/3827
    Version
    No full-text available in the repository
    Citation
    Melhi, M., Ipson, S.S. and Booth, W. (2001). A novel triangulation procedure for thinning hand-written text. Pattern Recognition Letters. Vol. 22, No. 10, pp. 1059-1071.
    Link to publisher’s version
    http://dx.doi.org/10.1016/S0167-8655(01)00038-1
    Type
    Article
    Collections
    Engineering and Informatics Publications

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