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Methods and apparatus for controlling a video system with visually recognized props

  • US 6,243,491 B1
  • Filed: 12/31/1996
  • Issued: 06/05/2001
  • Est. Priority Date: 12/31/1996
  • Status: Expired due to Term
First Claim
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1. A video system controlled by a prop having a known color pattern such that said prop is amenable to being tracked by said video system, said video system comprising:

  • a prop including sphere having two colors, a first color region located on said sphere having one of said two colors, and a single second color region located on said sphere having the other of said two colors, said second color region being smaller than said first color region and contained substantially within said first color region; and

    control means in said video system for determining pitch and yaw by tracking the position of said second color region on said sphere relative to the position of said sphere.

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