| US 7,496,197 B2 | ||
| Method and system for robust embedding of watermarks and steganograms in digital video content | ||
| Lidror Troyansky, Ramat Gan (Israel); and Ofir Carny, Kochav Yair (Israel) | ||
| Assigned to PortAuthority Technologies Inc., San Diego, Calif. (US) | ||
| Filed on Jun. 14, 2002, as Appl. No. 10/170,456. | ||
| Claims priority of provisional application 60/297799, filed on Jun. 14, 2001. | ||
| Prior Publication US 2003/0031318 A1, Feb. 13, 2003 | ||
| Int. Cl. H04N 7/16 (2006.01); H04N 9/80 (2006.01) | ||
| U.S. Cl. 380—202 [380/200] | 44 Claims |
| 1. A method for robust embedding of information into video content, said method comprising:
breaking said video content into a series of sequential units;
selecting at least one group of sequential units from said series, said group comprising at least one sequential unit;
selecting at least one parameter for at least one of said groups; and
changing a unit rate of the sequential units of at least one of said groups according to said parameter selected for said
group, thereby to embed information within said group.
|