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Optical tracking apparatus using six degrees of freedom

  • US 8,077,914 B1
  • Filed: 08/07/2007
  • Issued: 12/13/2011
  • Est. Priority Date: 08/07/2006
  • Status: Expired due to Fees
First Claim
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1. A system for measuring a location and an orientation of an object of arbitrary curvature, comprising:

  • a first and a second light sources illuminating the object;

    a first and a second cameras receiving a first and a second image of the object being illuminated by the light sources and providing a first and a second image data respectively; and

    a digital signal processing unit for receiving and analyzing the first and second image data for locating and tracking the object in real-time with six degrees of freedom, including rotational roll movement of the object around a vector from a coordinate origin to a center of the object, whereina real-time measurement of 3-dimensional unit vectors {ē

    } defines the directions between the first camera and glints from the respective sources is implemented accordingly to the system of equations;

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