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Detecting facial expressions in digital images

  • US 9,462,180 B2
  • Filed: 06/09/2014
  • Issued: 10/04/2016
  • Est. Priority Date: 01/27/2008
  • Status: Active Grant
First Claim
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1. A method of in-camera processing to create a photographic record of a captured image of a group of faces by increasing smiling faces in the image, the method comprising:

  • acquiring the captured image with a camera having an image sensor for acquiring digital images;

    providing one or more digitally-acquired first images of the group of faces in addition to the captured image;

    from among the group of faces, identifying a number of non-smiling faces in one of the images;

    based, at least in part, on the number of non-smiling faces, initiating a plurality of operations including, when a predetermined number of non-smiling faces are present in said one of the images;

    (i) delaying acquisition and recording of the captured image to allow time for reducing non-smiling faces in the captured image relative to said number of non-smiling faces in said one of the images; and

    (ii) replacing a face region in the captured image by combining a face region in at least one of the one or more digitally-acquired images into the captured image; and

    storing the captured image with the replaced face region as digital content in a mass storage device.

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