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Image processing method, image processing apparatus, image processing system and memory medium

  • US 6,643,382 B1
  • Filed: 08/27/1999
  • Issued: 11/04/2003
  • Est. Priority Date: 08/31/1998
  • Status: Expired due to Term
First Claim
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1. An image processing method for embedding specified information into a digital image, comprising:

  • a first embedding step of embedding first specified information in said digital image;

    a second embedding step of embedding second specified information in the digital image in which the first specified information is embedded by said first embedding step;

    a compression step of compressing said digital image through plural compression stages, wherein said first embedding step includes a step of embedding said first specified information at an arbitrary stage among the plural compression stages in said compression step, and said second embedding step includes a step of embedding said second specified information in a stage next to said arbitrary stage.

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