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Method for automatic backlight adjustment

  • US 20050041139A1
  • Filed: 08/05/2004
  • Published: 02/24/2005
  • Est. Priority Date: 08/05/2003
  • Status: Abandoned Application
First Claim
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1. A method for automatically adjusting an intensity level of a backlight of a device having a built-in camera comprising:

  • a) capturing a first image with the camera and determining an average pixel intensity corresponding to the captured image;

    b) adjusting the intensity level of the backlight corresponding to the average pixel intensity of the first captured image;

    c) capturing a second image with the camera and calculating an average pixel intensity corresponding to the second captured image;

    d) comparing the average pixel intensity of the second captured image to the average pixel intensity of the first captured image; and

    e) adjusting the intensity level of the backlight corresponding to a difference between the average pixel intensities of the second captured image and the first captured image.

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