Image analysis – Applications
Reexamination Certificate
2011-08-02
2011-08-02
Johns, Andrew W (Department: 2624)
Image analysis
Applications
C345S647000
Reexamination Certificate
active
07991182
ABSTRACT:
The present disclosure is generally related to steganographic encoding and decoding (e.g., data hiding). One claim recites a method including: obtaining media comprising a plurality of line graphics, each of the line graphics comprising one or more contours; obtaining a plural-bit message; obtaining an intermediate signal based at least in part on the plural-bit message; and using a programmed electronic processor, modulating contours of at least some of the plurality of line graphics to steganographically represent the plural-bit message in the media, in which said act of modulating utilizing the intermediate signal to modulate the contours. Of course, other claims and combinations are provided too.
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Digimarc Corporation
Johns Andrew W
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