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. 03, 2015
Filed:
Jul. 02, 2009
Applicant:
Hugh Phu Nguyen, San Jose, CA (US);
Inventor:
Hugh Phu Nguyen, San Jose, CA (US);
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 9/64 (2006.01); H04N 5/235 (2006.01); H04N 5/217 (2011.01); H04N 5/357 (2011.01);
U.S. Cl.
CPC ...
H04N 5/3572 (2013.01);
Abstract
In one embodiment of the invention, there is provided a method of correcting a captured image for lens shading artifacts, comprising for a given lens determining a function L(x,y) being a lens shading correction function to be applied to images captured by the lens in order to correct for lens shading artifacts; applying a sampling technique to sample the function L(x,y) at selected points; and storing the sampled function L(x,y) in memory.