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Method for recognizing characters

  • US 7,929,773 B2
  • Filed: 06/27/2007
  • Issued: 04/19/2011
  • Est. Priority Date: 12/06/2006
  • Status: Active Grant
First Claim
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1. A character recognition method, comprising:

  • using an optical character recognition device fora. obtaining a image with printing words;

    b. scanning a line of the printing words , wherein the line of printing words comprises a plurality of first characters;

    c. generating a plurality of typographical lines by using the first characters;

    d. determining a character category of each first character according to a relative position of the first character in the typographical lines, the step d. further comprising;

    d1. determining whether or not each first character is a small character, the step d1. further comprising;

    d1-1. calculating a character height of each first character; and

    d1-2. comparing the character height of each first character with a predetermined height, and categorizing the first character as a small character if the character height of the first character is smaller than the predetermined height;

    d2. performing a small character categorization if the first character is a small character; and

    d3. performing a non-small character categorization if the first character is not a small character; and

    e. comparing each first character with a plurality of second characters in a database belonging to the corresponding character category of the first character to obtain the second character corresponding to the first character and accordingly to recognize the first character, wherein the database records a plurality of character categories and the second characters in each of the character categories.

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