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System and method for adaptive local white balance adjustment

  • US 20090251561A1
  • Filed: 04/08/2008
  • Published: 10/08/2009
  • Est. Priority Date: 04/08/2008
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • an image sensor including a pixel array having a plurality of pixels;

    an automatic white balance (AWB) circuit coupled to the pixel array to;

    determine a local white balance component for each pixel,determine a global white balance component for each pixel, andapply a white balance adjustment to each pixel, the applied white balance adjustment comprising a combination of the local white balance component and the global white balance component.

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