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    Practical Segmentation Methods for Logical and Geometric Layout Analysis to Improve Scanned PDF Accessibility to Vision Impaired

    Access Status
    Fulltext not available
    Authors
    Nazemi, Azadeh
    Murray, Iain
    McMeekin, David
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Nazemi, A. and Murray, I. and McMeekin, D. 2014. Practical Segmentation Methods for Logical and Geometric Layout Analysis to Improve Scanned PDF Accessibility to Vision Impaired. International Journal of Signal Processing, Image Processing and Pattern Recognition. 7 (4): pp. 23-26.
    Source Title
    International Journal of Signal Processing, Image Processing and Pattern Recognition
    DOI
    10.14257/ijsip.2014.7.4.03
    ISSN
    2005-4254
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/10775
    Collection
    • Curtin Research Publications
    Abstract

    The use of electronic documents has rapidly increased in recent decades and the PDF is one the most commonly used electronic document formats. A scanned PDF is an image and does not actually contain any text. For the vision–impaired user who is dependent upon a screen reader to access this information, this format is not useful. Thus addressing PDF accessibility through assistive technology has now become an important concern. PDF layout analysis provides precious formatting information that supports PDF component classification. This classification facilitates the tag generation. Accurate tagging produces a searchable and navigable scanned PDF document. This paper describes several practical segmentation methods which are easy to implement and efficient for PDF layout analysis so that the scanned PDF document can be navigated or searched using assistive technologies.

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