Apparatuses, computer program products, and methods for authenticating digital signals are provided in which copies of a watermark are extracted from a digital signal with at least some of the copies potentially having distorted values. The original values of the watermark may be reconstructed exclusively...http://www.google.fr/patents/US20080002852?utm_source=gb-gplus-shareBrevet US20080002852 - Apparatuses, computer program products, and methods for authenticating digital signals
Apparatuses, computer program products, and methods for authenticating ...
Numéro de demande: 11/479,683 Numéro de publication: US 2008/0002852 A1 Date de dépôt: 30 juin 2006 Brevet délivré: US8077904 ( Date de délivrance 13 déc. 2011)
