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Digital watermarking and fingerprinting including synchronization, layering, version control, and compressed embedding

  • US 20030185417A1
  • Filed: 01/22/2003
  • Published: 10/02/2003
  • Est. Priority Date: 01/22/2002
  • Status: Active Grant
First Claim
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1. A method of detecting a digital watermark comprising:

  • transforming video data into a one dimensional video signal; and

    performing calibration of the one dimensional signal with a one dimensional calibration signal to compensate for geometric distortion of the video signal.

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  • 6 Assignments
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