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Method and apparatus for vision based motion determination

  • US 8,238,612 B2
  • Filed: 08/28/2008
  • Issued: 08/07/2012
  • Est. Priority Date: 05/06/2008
  • Status: Active Grant
First Claim
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1. A method for determining motion comprising:

  • determining a rotation of an object from a first time to a second time by analyzing a first two-dimensional (2D) image obtained at the first time and a second 2D image obtained at the second time, the rotation determined with an eight-point algorithm; and

    determining a translation of the object from the first time to the second time based on the determined rotation, three-dimensional (3D) information relating to the first 2D image, and 3D information relating to the second 2D image, wherein determining the translation comprises;

    inputting the rotation determined by the eight-point algorithm into an absolute orientation algorithm; and

    calculating the translation from the determined rotation, the 3D information relating to the first 2D image, and the 3D information relating to the second 2D image.

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