CROSS-CORRELATION BASED SYSTEM FOR WATERMARKING MEDIA
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United States of America Patent
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app pub date -
Oct 20, 2014
filing date -
Oct 28, 2005
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Abandoned
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Abstract
A cross-correlation based system for watermarking continuous digital media, includes: a) means for retrieving at least one signature parameter (Sj) determined according to a corresponding previous signature (Sj−1) or a predefined initial signature (S0); the S0 being selectable by a user command to a multiplexor that selects either S0 or Sj during the course of generating a signature; and, b) means for encrypting the present signature according to the at least one signature parameter (Sj) to generate a unique digital signature (Ej).
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