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. 22, 2016
Filed:
Dec. 10, 2009
Applicants:
Henry Leung, Calgary, CA;
Siyue Chen, Calgary, CA;
Inventors:
Henry Leung, Calgary, CA;
Siyue Chen, Calgary, CA;
Assignee:
Empire Technology Development LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 1/00 (2006.01);
U.S. Cl.
CPC ...
G06T 1/0021 (2013.01);
Abstract
Examples of encoding and decoding a watermark for a digital image and to using the watermark for authenticating the digital image are disclosed. The examples may include embedding a chaotic watermark in a digital image and using parameters associated with source and capture information for the digital image to both generate the chaotic watermark and to authenticate the digital image.