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Speaker and Person Backlighting For Improved AEC and AGC

  • US 20090322915A1
  • Filed: 06/27/2008
  • Published: 12/31/2009
  • Est. Priority Date: 06/27/2008
  • Status: Active Grant
First Claim
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1. A method to be executed at least in part in a computing device for improving image quality of a selected region in a video frame, the method comprising:

  • receiving a captured video frame;

    determining a region of interest based on input through at least one from a set of;

    sound source localization, multi-person detection, and active speaker detection;

    automatically adjusting at least one of an exposure parameter and a gain parameter for the determined region of interest such that the image quality of the region of interest is improved; and

    encoding the video frame for at least one of transmission and storage.

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