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System for analyzing table images

  • US 6,173,073 B1
  • Filed: 01/05/1998
  • Issued: 01/09/2001
  • Est. Priority Date: 01/05/1998
  • Status: Expired due to Term
First Claim
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1. A method for performing block selection processing on an image of a table, the table comprised of rows and columns defined by visible and non-visible vertical and horizontal grid lines and containing super-cells, the super-cells including one or more table cells, the method comprising:

  • identifying super-cells that include one or more table cells, wherein super-cells are identified according to traced white areas surrounding table cells and bounded by visible grid lines;

    determining whether the vertical and horizontal grid lines bounding each table cell are visible or non-visible; and

    determining whether the vertical and horizontal grid lines bounding each super-cell are visible or non-visible.

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