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Steganographically encoding a first image in accordance with a second image

  • US 6,430,302 B2
  • Filed: 01/10/2001
  • Issued: 08/06/2002
  • Est. Priority Date: 11/18/1993
  • Status: Expired due to Fees
First Claim
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1. A steganographic image processing method comprising:

  • receiving first and second digital images;

    transforming the second image into a noise-like image;

    determining scale data corresponding to said first image; and

    scaling the noise-like image in accordance with the scale data, and summing with the first digital image.

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