EP 6299.72 12/1994 EP O 736860 10, 1996 EP 838050 4f1998 EP O996 278 4/2000 EP
1041815 10, 2000 EP 1096429 5, 2001 EP 1173.001 1, 2002 EP 1209897 5, 2002 GB …

5,862.260 A 1/1999 Rhoads 2002/O126870 A1 9, 2002 Wendt 5,889,868 A 3, 1999
Moskowitz et al. 2002fO157005 A1 10, 2002 Brunk et al. 5,933,798 A 8, 1999 Linnartz …

0001. This application is generally related to the present assignee's following US patent
documents: US Pat. Nos. 5,862,260; 6,442,285; 6,614,914; 6,804,378; 6,947,571; …

4,200,770 A 4, 1980 Hellman et al. 4,218,582 A 8, 1980 Hellman et al. 4.405, 829 A 9, 1983
Rivest et al. 4,424.414 A 1, 1984 Hellman et al. 4,827,508 A 5, 1989 Shear 4,977,594 A 12 …

A material (eg video, audio or data) processing system (648) processes material including a
watermark. The system comprises a remover (640) for removing the watermark, a processor …

3,984,624 A 10/1976 Waggener 3,986,624 A 10/1976 Cates, Jr. et al. 4,038,596 A T. 1977
Lee 4,200,770 A 4, 1980 Hellman et al. 4,218,582 A 8, 1980 Hellman et al. 4,339,134 A 7 …

Content fingerprints and watermarks are combined in various ways for content identification
applications. Fingerprints are used to identify content generally while watermarks provide …

(52) US Cl.......................... 382/100; 382/250; 713/176 Methods and systems for watermarking
of digital images are (58) Field of Classification Search.................. 382/100, presented. In one …

5,850,481. A 12/1998 Rhoads 382/232 One particular version of the watermarked content
Source 5862.260 A 1/1999 Rhoads r. 382f232 may be Selected as the final watermarked …

(57) ABSTRACT A steganographic embedder associates data with a media signal by
encoding the data, a link to the data, or a combi nation of both into the media signal. The …