Methods for steganographic encoding media
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United States of America Patent
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Mar 3, 2009
Grant Date -
Nov 17, 2005
app pub date -
Jul 22, 2005
filing date -
May 8, 1995
priority date (Note) -
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Abstract
The present invention relates to digital watermarking and steganographic embedding. In one implementation a method is provided to help associate usage rights with media. The usage rights are used by a rights management system to control how the media is handled by the system. In response to the associating, an identifier is provided and embedded in the media in a steganographic manner.
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