Table grid detection and separation
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United States of America Patent
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Jan 12, 2016
Grant Date -
Jun 12, 2014
app pub date -
Dec 5, 2013
filing date -
Mar 30, 2009
priority date (Note) -
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Abstract
A technique is described for table grid detection and separation during the analysis and recognition of documents containing table contents. The technique includes the steps of table detection, grid separation, and table cell extraction. The technique is characterized by the steps of detecting the grid lines of a table using, for example, inverse cell detection, separating noise and touching text from the grid lines, and extracting the cell contents for OCR recognition.
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