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PRINT QUALITY EVALUATION APPARATUS AND METHOD OF PRINT QUALITY EVALUATION

  • US 20080219513A1
  • Filed: 02/21/2008
  • Published: 09/11/2008
  • Est. Priority Date: 03/06/2007
  • Status: Active Grant
First Claim
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1. A method of evaluating print quality, the method comprising:

  • measuring a reflectance of printed dots by scanning a medium on which the dots are printed according to pattern data having a predetermined pattern of a highlight region and a shadow region;

    determining an average of reflectances of the highlight region in the predetermined pattern and an average of reflectances of the shadow region thereof;

    determining a contrast value from a difference between the average of the reflectances of the highlight region and the average of the reflectances of the shadow region; and

    determining an indicator of the print quality from the contrast value.

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