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Autodiscriminating optical reader

DC
  • US 6,491,223 B1
  • Filed: 08/30/2000
  • Issued: 12/10/2002
  • Est. Priority Date: 09/03/1996
  • Status: Expired due to Term
First Claim
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1. A method for operating an optical reader, said method comprising the steps of:

  • acquiring a set of image data elements representing a 2D image;

    calculating the activities of predetermined ones of said image data elements and attempting to decode a bar code symbol in said 2D image representation if at least one of said calculated activities indicates that a high activity region is present in a said 2D image representation.

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