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Optimizing quick response code capacity using gray luminance

  • US 9,286,557 B2
  • Filed: 03/06/2014
  • Issued: 03/15/2016
  • Est. Priority Date: 03/06/2014
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • determining a set of Grayscale bands providing an increase in a Quick Response Code data capacity that is an integer multiple of the Quick Response Code data capacity provided by a Black and White Quick Response Code that uses only Black and White to represent data; and

    generating, using a processor, a Grayscale Quick Response Code using the determined set of Grayscale bands to represent the data.

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