发明名称 |
Methods, Apparatus and Programs for Generating and Utilizing Content Signatures |
摘要 |
The present invention generally relates to deriving and/or utilizing content signatures. A content signature includes a representation of a content item, which is derived from the content item itself. According to one embodiment of the invention, a method includes: obtaining a content item; transforming the content item to obtain transform domain coefficients; applying Viterbi decoding to at least a set of the transform domain coefficients; using at least one result of the Viterbi decoding as a content signature for the content item. Other embodiments are provided and claimed as well.
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申请公布号 |
US2007101147(A1) |
申请公布日期 |
2007.05.03 |
申请号 |
US20060613876 |
申请日期 |
2006.12.20 |
申请人 |
BRUNK HUGH L;LEVY KENNETH L |
发明人 |
BRUNK HUGH L.;LEVY KENNETH L. |
分类号 |
H04L9/00;G06K9/00;H04N11/02 |
主分类号 |
H04L9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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