Embedding auxiliary data in a signal

Details Embedding auxiliary data in a signal Embedding auxiliary data in a signal

2007-03-13

2007-03-13

Smithers, Matthew (Department: 2137)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C382S100000

Reexamination Certificate

active

09423273

ABSTRACT:
A method is disclosed for embedding auxiliary data in a signal. The data is encoded into the relative position or phase of one or more basic watermark patterns. This allows multi-bit data to be embedded by using only one or a few distinct watermark patterns.

REFERENCES:
patent: 5689587 (1997-11-01), Bender et al.
patent: 6185312 (2001-02-01), Nakamura et al.
patent: 6233347 (2001-05-01), Chen et al.
patent: 6427012 (2002-07-01), Petrovic
patent: 6442283 (2002-08-01), Tewfik et al.
patent: 6553127 (2003-04-01), Kurowski
Busch et al., :Digital Watermarking: From Concepts to Real-Time Vdeo Applications, IEEE Computer Graphics and Applications, Jan./Feb. 1999, pp. 25-35.

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