Methods, apparatus and programs for generating and utilizing...

Details Methods, apparatus and programs for generating and utilizing... Methods, apparatus and programs for generating and utilizing...

2011-07-05

2011-07-05

Tucker, Wesley (Department: 2624)

Image analysis

Applications

C382S276000, C382S281000

Reexamination Certificate

active

07974436

ABSTRACT:
The present invention relates to deriving and/or utilizing content signatures. A content signature includes a representation of a content item, which is derived or calculated from the content item itself. One claim recites a method comprising: obtaining a content item; transforming the content item to obtain transform domain coefficients; applying Viterbi decoding to a set of the transform domain coefficients; and using a result of the Viterbi decoding as a content signature representing features or characteristics of the content item itself. Other claims and combinations are provided too.

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