The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2012
Filed:
May. 01, 2008
Zhigang Fan, Webster, NY (US);
Michael R. Campanelli, Webster, NY (US);
Dennis Venable, Marion, NY (US);
Zhigang Fan, Webster, NY (US);
Michael R. Campanelli, Webster, NY (US);
Dennis Venable, Marion, NY (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
A system and method for character recognition with document orientation determination is shown. The method is a detection of simple page orientation based on a limited version of character recognition. The method includes binairizing an input image which has a plurality of alphanumeric characters with a first orientation. The method continues with extracting the connected components and determining a second orientation where the second orientation is based on a 90° turn clockwise or counterclockwise or, in the alternative, no turn from the first orientation. The second orientation will result in a 180° variance from the proper orientation or it will be the proper orientation. The method continues with implementing a limited version of optical character recognition for an analysis of a character and determining if that second orientation is upside down, based at least in part on the analysis. This method generally uses the character 'i' for analysis. However, for documents that have a limited number of 'i's, e.g. such as Russian documents or documents with all capital letters, the “T” may also be used.