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Face tracking for controlling imaging parameters

  • US 8,934,680 B2
  • Filed: 02/19/2013
  • Issued: 01/13/2015
  • Est. Priority Date: 08/11/2006
  • Status: Active Grant
First Claim
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1. A face detection and recognition method, comprising:

  • acquiring, from an image stream, an image including one or more face regions;

    calculating an integral image for at least a portion of the image or a sub-sampled version of the at least a portion of the image, or both;

    applying a face detection to at least a portion of the integral image to provide one or more candidate face regions;

    applying a face recognition, which uses a database, to the one or more candidate face regions to recognize a face in the one or more candidate face regions, and determining an identifier for the recognized face;

    storing the identifier for the recognized face in association with the image or a portion thereof that includes the recognized face; and

    adjusting one or more image acquisition conditions in an image acquiring device to modify white balance, color balance, focus, or exposure, or combinations thereof, for the recognized face.

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