Steganographic encoding methods and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 28, 2011
Grant Date -
Sep 17, 2009
app pub date -
Mar 18, 2009
filing date -
Apr 21, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The presently claimed invention relates generally to steganographic encoding. One claim recites a method including: obtaining data representing a first graphic; utilizing a multi-purpose computer processor configured for steganographically data hiding to hide a signal in the data representing the first graphic; obtaining a copy of the first graphic including a steganographically hidden signal therein; storing the copy of the first graphic in electronic memory or integrated circuitry. A steganographically hidden signal in the data representing the first graphic and the steganographically hidden signal in the copy of the first graphic are related. Of course, other combinations are provided as well.
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