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:
Sep. 21, 2004
Filed:
Nov. 04, 1999
Applicant:
Inventors:
Reiner Eschbach, Webster, NY (US);
Ricardo L. de Queiroz, Pittsford, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
G06K 1/502 ; H04N 1/409 ;
U.S. Cl.
CPC ...
G06K 1/502 ; H04N 1/409 ;
Abstract
A system is disclosed for enhancing resolution of compressed image data. All operations in the present invention are performed in the CCITT compressed domain. For the purpose of the present invention, the input image data is compressed which is mapped to the transitions of the input line. A line is interpolated between the input lines and the transitions of the interpolated line are determined according to the positional difference of transitions in input lines. The transitions of each line in resolution enhanced data are encoded into a compressed codes.