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Halftone primitive watermarking and related applications

  • US 20020105679A1
  • Filed: 01/17/2002
  • Published: 08/08/2002
  • Est. Priority Date: 01/24/2001
  • Status: Active Grant
First Claim
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1. A method of embedding a watermark into a halftone image, the image comprising a cluster of halftone dots, said method comprising the steps of:

  • providing a watermark to alter the cluster of halftone dots by toggling boundary pixels of the halftone dots; and

    embedding the watermark in the image.

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  • 6 Assignments
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