07020304 is referenced by 161 patents and cites 30 patents.

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.

Title
Digital watermarking and fingerprinting including synchronization, layering, version control, and compressed embedding
Application Number
10/350276
Publication Number
7020304 (B2)
Application Date
January 22, 2003
Publication Date
March 28, 2006
Inventor
Eric E Ellingson
McMinnville
OR, US
Geoffrey B Rhoads
West Linn
OR, US
Reed R Stager
Portland
OR, US
Kenneth L Levy
Stevenson
WA, US
Adnan M Alattar
Tigard
OR, US
Agent
Digimarc Corporation
Assignee
Digimarc Corporation
OR, US
IPC
G06K 9/00
View Original Source