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GROUND TRACKING APPARATUS, SYSTEMS, AND METHODS

  • US 20170263018A9
  • Filed: 06/27/2015
  • Published: 09/14/2017
  • Est. Priority Date: 07/01/2014
  • Status: Active Grant
First Claim
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1. A ground tracker for tracking movement over a surface, comprising:

  • a housing;

    a first camera element disposed on or in the housing;

    a second camera element disposed on or in the housing offset in position relative to the first camera element; and

    a processing element coupled to an output from the first camera element and the second camera element, the processing element programmed to;

    receive an image from the first camera element and an image from the second camera element, wherein the first camera element image and the second camera element image are captured with the ground tracking apparatus at a first position;

    detect a ground feature in both the image from the first camera element and the image from the second camera element;

    determine, based on a position of the ground feature in the image from the first camera element and a position of the ground feature in the image from the second camera element, a height value of the ground tracker above the ground feature at the first position; and

    store the height value at the first position in a non-transitory memory.

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