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Apparatus for detecting direction of image pickup device and moving body comprising same

  • US 8,390,696 B2
  • Filed: 12/18/2009
  • Issued: 03/05/2013
  • Est. Priority Date: 01/06/2009
  • Status: Active Grant
First Claim
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1. An image capture device direction detector for detecting the direction of the optical axis of an image capture device, the device including an image capturing section for capturing polarization images, including a polarization angle image, and a luminance image, the detector comprising:

  • an image processing section for generating a clear sky polarization angle image, which indicates the polarization angle of a clear sky part of the luminance image, based on the polarization images and the luminance image;

    an direction estimating section for estimating the direction of the optical axis of the image capture device, which is determined by the direction of the image capturing section, by reference to the clear sky polarization angle image; and

    an output section for providing information about the direction of the optical axis of the image capture device that has been estimated by the direction estimating section.

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