System and Method for Solving the "Birthday Problem" with Watermarking

A system and method are provided for facilitating the playing of a watermarked video having the "birthday problem". Consumers send the problem disc to an authorization center where the disc is analyzed to determine if it is a legitimate disc. The authorization center generates a digital ce...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BELLWOOD THOMAS A, GASIEWSKI JAMES M, LOTSPIECH JEFFREY B, LEAKE, JR. DONALD E
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HANDLING RECORD CARRIERS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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