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Methods and systems for enhancing display characteristics with frequency-specific gain

  • US 20060284823A1
  • Filed: 06/15/2005
  • Published: 12/21/2006
  • Est. Priority Date: 06/15/2005
  • Status: Active Grant
First Claim
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1. A method for adjusting an image for increased brightness, said method comprising:

  • a) applying a tone scale adjustment model to a low-pass (LP) version of an image to form an adjusted LP image;

    b) applying a constant gain factor to a high-pass (BP) version of said image to form an adjusted HP image;

    c) adding said adjusted LP image to said adjusted HP image to form a brightness-enhanced image.

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