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Data detection method, apparatus, and program

  • US 20040003052A1
  • Filed: 03/20/2003
  • Published: 01/01/2004
  • Est. Priority Date: 03/20/2002
  • Status: Abandoned Application
First Claim
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1. A data detection method comprising the steps of:

  • receiving input of image data representing an image of printed matter having recorded thereon an image to which data has been attached, which has been obtained by imaging, by use of an imaging means, correcting the geometrical distortions of the image data to obtain a corrected image data, and detecting the embedded data from said corrected image data.

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