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Color image display accuracy using green-limited gamma estimate

  • US 7,119,760 B2
  • Filed: 02/07/2001
  • Issued: 10/10/2006
  • Est. Priority Date: 03/31/2000
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • determining an estimated value for a green gamma for a display device having red, blue and green channels based on selection of a displayed green element that appears to most closely blend with a dithered green background;

    estimating initial gamma values for red and blue channels of the display device based on the estimated green gamma value;

    performing a gray balance evaluation for red and blue channels relative to the green channel using the estimated initial gamma values for red and blue channels; and

    modifying the estimated gamma values for red and blue color channels based on the gray balance evaluation for the red and blue color channels.

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