Methods and apparatus for robust embedded data
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United States of America Patent
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Jan 10, 2012
Grant Date -
Jun 14, 2007
app pub date -
May 26, 2006
filing date -
Sep 25, 1998
priority date (Note) -
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Abstract
The present invention describes methods and apparatus involving embedding data. Data can be embedded steganographically in content or embedded in, e.g., headers associated with the content. In one implementation, a method of embedding auxiliary information in data is provided. The method includes receiving data and correlated data. The correlated data is related to but independent from the received data. The method further includes receiving auxiliary information, the auxiliary information being independent of the received data and the correlated data; changing the auxiliary information based on at least the correlated data; and embedding the changed auxiliary information in the received data. Other implementations are also provided.
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