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. 04, 2013
Filed:
Aug. 04, 2010
Applicant:
Juan Liu, Milpitas, CA (US);
Inventor:
Juan Liu, Milpitas, CA (US);
Assignee:
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/00 (2006.01); H04N 1/409 (2006.01); G06K 9/40 (2006.01); G06K 9/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and systems are presented for characterizing printer streaking using a basis selection algorithm to determine parameters set for a streak template that best approximate a density profile derived from a scanned printed test image, with wavelet decomposition used to expedite the searching for position and width parameters.