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Method and apparatus to determine golf ball trajectory and flight

  • US 7,086,955 B2
  • Filed: 07/13/2004
  • Issued: 08/08/2006
  • Est. Priority Date: 09/18/1998
  • Status: Expired due to Fees
First Claim
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1. A method of processing images of a golf ball having reflective markers comprising the steps of:

  • providing first and second cameras;

    capturing a first pair of images of the golf ball with the first camera;

    capturing a second pair of images of the golf ball with the second camera;

    dividing the first and second pair of images into a plurality of pixels;

    assigning a color to each pixel, the assigned color being either a first color if the pixel has a brightness above a predetermined threshold level or a second color if the pixel has a brightness below the predetermined threshold level;

    connecting adjacent pixels of the first color to form bright areas;

    corresponding the bright areas to identify the reflective markers on the golf ball;

    calculating the location of the reflective markers by comparing the first pair of images with the second pair of images; and

    determining at least one of the transverse velocity and spin rate of the golf ball.

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