Digital watermarking in data representing color channels
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United States of America Patent
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Sep 27, 2011
Grant Date -
Jan 13, 2011
app pub date -
Jun 11, 2010
filing date -
Apr 19, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to digital watermarking. One claim recites a method to detect two or more different digital watermarks in media. The method includes: receiving captured imagery of the media, the captured imagery comprising a plurality of image frames; for a first image frame applying a first watermark detector to search for a first digital watermark hidden within the first image frame, in which an electronic processor is programmed as the first watermark detector; and for a second image frame applying a second, different watermark detector to search for a second, different watermark hidden within the second image frame, in which an electronic processor is programmed as the second watermark detector. Other claims and combinations are provided too.
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