Digital watermarks
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United States of America Patent
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Jul 9, 2013
Grant Date -
Mar 10, 2011
app pub date -
Sep 14, 2010
filing date -
May 7, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates generally to information encoding, data hiding, steganography and digital watermarking. One claim recites: using a programmed electronic processor, encoding content with a plural-bit digital watermark in accordance with initial encoding parameters; determining an assessment of the encoded plural-bit digital watermark in each of two or more portions of the content; for each of the two or more portions of the content, adjusting at least one of the initial encoding parameters according to a determined assessment for a respective portion of the content; and using a programmed electronic processor, encoding the content with said plural-bit watermark in accordance with adjusted encoding parameters. Other claims are provided as well.
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