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. 28, 2006
Filed:
Jan. 22, 2003
Adnan M. Alattar, Tigard, OR (US);
Kenneth L. Levy, Stevenson, WA (US);
Reed R. Stager, Portland, OR (US);
Geoffrey B. Rhoads, West Linn, OR (US);
Eric E. Ellingson, McMinnville, OR (US);
Adnan M. Alattar, Tigard, OR (US);
Kenneth L. Levy, Stevenson, WA (US);
Reed R. Stager, Portland, OR (US);
Geoffrey B. Rhoads, West Linn, OR (US);
Eric E. Ellingson, McMinnville, OR (US);
Digimarc Corporation, Beaverton, OR (US);
Abstract
This disclosure describes several video watermarking and fingerprinting enhancements. These enhancements include synchronizing watermark detectors with one-dimensional calibration signals, layering digital watermarks, watermarks for version control, compressed domain watermarking, watermarking of video object layers, key channel watermark embedding for video, robust fingerprinting of video and watermarking of scalable video.