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US 6,178,263 B1Granted
Method of estimating at least one run-based font attribute of a group of characters
AssigneeXerox Corporation
InventorsZhigang Fan, Robert Cooperman, Robert Shuchatowitz, Lucy Hadden, Emil Rainero, Frederick Roberts, Jr.
Life of this patent
Estimating the term…
Abstract
Font attributes of characters or letters are estimated by an optical character recognition system using character, run or stroke-based techniques with or without character identification information.
Claims1
A method for estimating at least one run-based font attribute of a group of characters of an input image independently of any character identification information of the group of characters, comprising:
- forming a plurality of single-connected and well-aligned-connected runs from bit maps of the characters of the group of characters;
- and
- estimating at least one slant attribute of a font of the group of characters based on at least two runs of a plurality of runs,
- wherein the estimated at least one run-based font attribute comprises the estimated at least one slant attribute.
1 more element
Dependencies are inferred from the claim text.