Image analysis – Applications
Reexamination Certificate
2011-07-26
2011-07-26
Mehta, Bhavesh (Department: 2624)
Image analysis
Applications
C235S462340, C235S468000, C235S469000
Reexamination Certificate
active
07986806
ABSTRACT:
The claimed invention relates generally to steganography and watermarking. One claim recites: a method including: using an electronic application program to compose an electronic version of a document; providing the document onto a substrate, the provided substrate being steganographically encoded with plural-bit auxiliary data, the steganographically encoded plural-bit auxiliary data is substantially imperceptible to casual human inspection, but is detectable through visible light imaging of the document and processing of image data thereby produced; and storing at least some of the plural-bit auxiliary data in association with data identifying a location at which the electronic version of the document is stored. Of course, other combinations are provided and claimed as well.
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Digimarc Corporation
Krasnic Bernard
Mehta Bhavesh
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