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Interaction interface for controlling an application

  • US 8,068,641 B1
  • Filed: 06/19/2008
  • Issued: 11/29/2011
  • Est. Priority Date: 06/19/2008
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • accessing image sequences, the sequences each taken, from a different perspective, of a portion of a radiation region defined by projected electromagnetic radiation, and each image sequence including;

    a projection image taken during an emitting period in which the projected electromagnetic radiation is emitted, the projection image being of ambient electromagnetic radiation and of an object within the portion being illuminated with the projected electromagnetic radiation, andan ambient image taken during an extinguishing period in which the projected electromagnetic radiation is extinguished, the ambient image being of the ambient electromagnetic radiation;

    determining a position of the object using the projection images and the ambient images; and

    controlling an application based on the determined position.

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