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:
Jul. 10, 2001
Filed:
Oct. 17, 1997
Radovan V. Krtolica, Los Gatos, CA (US);
Roger D. Melen, Los Altos Hills, CA (US);
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A printed or handwritten character image is recognized by training (,) a plurality of lookup tables with a set of known referent characters; obtaining (,) a bitmap of a character image to be recognized; mapping (,) the bitmap onto a standardized character matrix; partitioning (,) the matrix into a plurality of sub-matrices; (,) determining a set of candidates for each sub-matrix; and selecting (,) a preferred candidate from among the set of candidates responsive to at least one pre-defined selection criterion. The invention is implemented by means of a scanner (,), a character mapper (,), a matrix partitioner (,), a candidate set builder (,), and a character selector (,).