Methods, apparatus and programs for generating and utilizing content signatures
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United States of America Patent
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Jul 16, 2013
Grant Date -
Apr 2, 2009
app pub date -
Dec 11, 2008
filing date -
Dec 21, 2000
priority date (Note) -
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Abstract
The presently claimed invention generally relates to deriving and/or utilizing content signatures (e.g., so-called “fingerprints”). One claim recites a method comprising: obtaining a sequence of content identifiers, the sequence of content identifiers corresponding to one or more segments of a media signal; and utilizing at least a processor or electronic processing circuitry, carrying out a convolution operation based on the sequence of content identifiers and content signatures housed or stored in a database to identify the media signal. Of course, other claims and combination are provided as well.
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