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Method and apparatus for determining a need for a change in a pixel density requirement due to changing light conditions

  • US 9,615,029 B2
  • Filed: 04/27/2015
  • Issued: 04/04/2017
  • Est. Priority Date: 05/08/2014
  • Status: Active Grant
First Claim
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1. A method for determining a change in a pixel density requirement due to a change in image quality, the method comprising:

  • receiving information corresponding to a camera setting which is automatically modified by the camera to compensate for changes in a light condition to which the camera is subjected, wherein the camera setting affects the quality of images captured by the camera and includes at least one of a gain and an exposure time used by the camera when capturing images;

    detecting a change in the camera setting;

    determining to change the pixel density requirement in response to detecting a change in the camera setting, the pixel density requirement corresponding to a minimum number of pixels per unit length or unit area of an object in images captured by a camera;

    identifying an adjusted level of zoom for the camera in response to determining to change the pixel density requirement; and

    generating a control signal to adjust a field of view of the camera based on the adjusted level of zoom for the camera.

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