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Recognizing commands with a depth sensor

  • US 9,652,043 B2
  • Filed: 05/14/2012
  • Issued: 05/16/2017
  • Est. Priority Date: 05/14/2012
  • Status: Active Grant
First Claim
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1. A method for recognizing a command with a depth sensor, comprising:

  • monitoring a tangible reference at a reference distance from a depth sensor;

    maintaining a virtual reference approximately on calibrated three dimensional coordinates derived from said reference distance, said virtual reference intermediary to said tangible reference and said depth sensor;

    maintaining a touch space between said virtual reference and a touch boundary separated from said virtual reference by a touch distance; and

    recognizing a command when a predetermined object enters said touch space.

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