Image analysis – Applications
Reexamination Certificate
2007-12-25
2007-12-25
Couso, Jose L. (Department: 2624)
Image analysis
Applications
Reexamination Certificate
active
11380181
ABSTRACT:
The present invention provides methods and systems for identifying content to help ensure legal uses of the content. In one implementation a method is provided to include obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content; accessing a registry including a plurality of steganographic decoding keys to obtain a key associated with the content, wherein at least some of the keys are encrypted; obtaining the key associated with the content; and decoding the steganographic signal hidden in the content utilizes at least the key associated with the content.
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Couso Jose L.
Digimarc Corporation
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