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IMAGE CAPTURING DEVICE, OPERATOR MONITORING DEVICE, METHOD FOR MEASURING DISTANCE TO FACE, AND PROGRAM

  • US 20110304746A1
  • Filed: 02/17/2010
  • Published: 12/15/2011
  • Est. Priority Date: 03/02/2009
  • Status: Abandoned Application
First Claim
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1. An imaging device, comprising:

  • a camera unit that respectively captures, by using at least two optical systems, images of the same object;

    a face part detection unit that detects, from each of the images captured by the camera unit, a plurality of face parts composing a face included in the image;

    a face part luminance calculation unit that calculates luminance of the detected plurality of face parts;

    an exposure control value determination unit that determines an exposure control value of the camera unit based on the luminance of the plurality of face parts; and

    a distance measurement unit that measures distances to the plurality of face parts based on the at least two images captured by the camera unit using the corrected exposure control value, whereinthe exposure control value determination unit determines the exposure control value of the camera unit so that the maximum one of the luminance of the plurality of face parts becomes a predetermined target luminance.

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