Generating watermark signals

Details Generating watermark signals Generating watermark signals

2003-07-25

2008-12-02

Smithers, Matthew (Department: 2137)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C380S210000

Reexamination Certificate

active

07461256

ABSTRACT:
A method for generating watermark signals to be embedded as a digital watermark in real-time contents wherein the method includes: inputting the real-time contents; storing the real-time contents; generating watermark signals corresponding to predicted intensities of the real-time contents from divided real-time contents; and storing the generated watermark signals to be outputted.

REFERENCES:
patent: 6205249 (2001-03-01), Moskowitz
patent: 6901514 (2005-05-01), Iu et al.
patent: WO02/23905 (2002-03-01), None
patent: WO 0223905 (2002-03-01), None

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