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:
Mar. 31, 2015
Filed:
Jun. 12, 2013
Applicant:
Xerox Corporation, Norwalk, CT (US);
Inventors:
Xing Li, Webster, NY (US);
Zhenhuan Wen, Pittsford, NY (US);
Assignee:
Xerox Corporation, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/12 (2006.01); G06K 15/02 (2006.01);
U.S. Cl.
CPC ...
G06K 15/1881 (2013.01);
Abstract
Provided are black trapping methods, apparatus and systems for binary images. According to one exemplary method, black trapping color image data is performed by incorporating a set of trapping condition logical operations. Specifically, edge checking is based on estimated contone color values and density checking based on a binary bitmap.