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Apparatus and method for recognizing code

  • US 20050001033A1
  • Filed: 05/13/2002
  • Published: 01/06/2005
  • Est. Priority Date: 11/03/2001
  • Status: Abandoned Application
First Claim
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1. An apparatus for recognizing a code, the apparatus comprising:

  • an image-acquiring portion for acquiring a raw image in which a code image is contained;

    a color-converting portion for correcting colors or shades recognized in the raw image, using environmental variables, converting the corrected colors or shades into a plurality of standard colors or standard shades used to generate the code image, and generating a standard image represented by the standard colors or standard shades;

    a binary-coding converting portion for dividing the colors or shades of the raw image into two colors according to a predetermined reference value and generating a binary-coded image;

    an image-processing portion for extracting an area excluding a code image area from the binary-coded image, setting a color of the area corresponding to the extracted area in the standard image as a background color, thereby discriminating the code image area from other areas, extracting a plurality of cells included in the code image area, and recognizing the standard color or standard shade represented in each of the cells; and

    a code-converting portion for extracting a corresponding character, number, or symbol from the color or shade recognized in each of the cells of the code image according to a relationship between a character, number, or symbol and a corresponding color or shade and generating code data.

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