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Method for generating hashes from a compressed multimedia content

  • US 20050259819A1
  • Filed: 04/12/2003
  • Published: 11/24/2005
  • Est. Priority Date: 06/24/2002
  • Status: Abandoned Application
First Claim
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1. A method of generating a hash signal representative of a multimedia signal, the method comprising the steps of:

  • receiving a bit-stream comprising a compressed multimedia signal;

    selectively reading from the bit-stream predetermined parameters; and

    deriving a hash function from said parameters.

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