Additional information embedding method, additional...

Details Additional information embedding method, additional... Additional information embedding method, additional...

2005-10-11

2005-10-11

Barrón, Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C380S201000

Reexamination Certificate

active

06954856

ABSTRACT:
An apparatus and method for embedding additional information embeds plural pieces of additional information on a signal as electronic watermark information. In detail, plural pieces of additional information to be embedded on a signal are generated, the additional information is converted into electronic watermark information, the sizes of embedding parts for respective electronic watermark information are defined under control, and the electronic watermark information is embedded on the signal based on the control signal. Therefore, the additional information are embedded so that additional information having a higher significance degree can be more reliably and rapidly detected.

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patent: 0 955 773 (1999-11-01), None
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