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:
Apr. 07, 2009
Filed:
Aug. 19, 2005
Applicants:
Ian Clarke, North York, CA;
Hui Zhou, Toronto, CA;
Puneet Khanduri, Toronto, CA;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/36 (2006.01); G06K 9/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a method of reducing brightness variations in a panorama comprises calculating a gamma plane based on the panorama, blurring and normalizing the gamma plane and then applying the blurred and normalized gamma plane to the panorama thereby to reduce brightness variations therein.