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DETECTING NATURAL USER-INPUT ENGAGEMENT

  • US 20140225820A1
  • Filed: 02/11/2013
  • Published: 08/14/2014
  • Est. Priority Date: 02/11/2013
  • Status: Active Grant
First Claim
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1. A natural user-input (NUI) system to provide user input to a computer system, the NUI system including a logic machine and an instruction-storage machine, the instruction-storage machine holding instructions that, when executed by the logic machine, cause the logic machine to:

  • receive posture information for a human subject derived from depth video of that subject, the depth video acquired with a depth camera;

    analyze the posture information to compute an engagement metric for the human subject, the engagement metric increasing with greater indication that the user wishes to engage the computer system and decreasing with lesser indication that the user wishes to engage the computer system; and

    determine, based on the engagement metric, whether to process the posture information as user input to the computer system.

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