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Method and device for determining orientation of text

  • US 20040252911A1
  • Filed: 06/11/2003
  • Published: 12/16/2004
  • Est. Priority Date: 06/11/2003
  • Status: Active Grant
First Claim
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1. A method of determining the orientation of text, said text extending substantially horizontal, said method comprising:

  • measuring the contrasts associated with an upper edge of said text relative to a background;

    measuring a first length of said upper edge of text having contrasts that are at least a first preselected value;

    measuring the contrasts associated with a lower edge of said text relative to said background;

    measuring a second length of said lower edge of text having contrasts that are at least said first preselected value; and

    comparing said first length to said second length, wherein said text is improperly oriented if said first length is greater than said second length.

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