FIELD: physics, computation hardware.
SUBSTANCE: set of invention relates to watermark implantation to data signals. Proposed device to be incorporated with input info representation comprises data adder to be grant watermark and extra data to input info representation to get input info representation with watermark and extra data. Extra data to be added comprises descriptive data describing implantation of at least one watermark into input info representation.
EFFECT: simplified watermark implantation and detection.
27 cl, 21 dwg
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WATER MARK GENERATOR, WATER MARK DECODER, METHOD OF WATER MARK SIGNAL GENERATION BASED ON DATA OF BINARY MESSAGE, METHOD FOR FORMING DATA OF BINARY MESSAGE BASED ON SIGNAL WITH WATER MARK AND COMPUTER PROGRAM USING TWO-DIMENSIONAL BIT EXPANSION | 2011 |
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Authors
Dates
2014-04-10—Published
2009-03-03—Filed