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. 25, 2002
Filed:
Sep. 23, 1998
Applicant:
Inventors:
Leon C. Williams, Walworth, NY (US);
Raymond J. Clark, Webster, NY (US);
Stuart A. Schweid, Pittsford, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/62 ;
U.S. Cl.
CPC ...
G06K 9/62 ;
Abstract
A method and apparatus are disclosed for distinguishing noisy continuous tone document types from other document types such as halftone or text, in order to maintain reliable image segmentation. In both cases a Range of Video microclassifier is added to the other microclassifiers (Sij, estimated halftone frequency, etc.) to disqualify noisy continuous tone images from being incorrectly classified as other document types such as halftone or text document types.