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:
May. 05, 2009
Filed:
Dec. 19, 2006
Applicants:
Adnan M. Alattar, Tigard, OR (US);
Joel R. Meyer, Lake Oswego, OR (US);
Inventors:
Adnan M. Alattar, Tigard, OR (US);
Joel R. Meyer, Lake Oswego, OR (US);
Assignee:
Digimarc Corporation, Beaverton, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A digital watermark detection method uses a matched filtering technique on a log polar re-mapping of a watermarked signal to detect peaks associated with a repetitive structure of a watermark.
Alattar, Adnan. (2009). Computing distortion of media signals using embedded data with repetitive structure and log-polar mapping (U.S. Patent No. 7529647). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7529647
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile