Method and apparatus for detecting pagination constructs including a header and a footer in legacy documents
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United States of America Patent
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May 3, 2011
Grant Date -
Jul 13, 2006
app pub date -
Jan 10, 2005
filing date -
Jan 10, 2005
priority date (Note) -
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Abstract
A method for identifying header/footer content of a document, in order to sequence text fragments comprising recognizable text blocks as derived from the document. The textual variability of lines comprised of text blocks, including the different kinds of text blocks within the line is analyzed for assessment of textual variability. Header/footer zones are defined by textual content having a low textual variability. An alternative embodiment identifies pagination constructs by comparing selected text-boxes for similarity and proximity and clustering the text boxes satisfying a predetermined similarity value, wherein the clustered text boxes are deemed to comprise pagination constructs.
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