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Identifying gestures using multiple sensors

  • US 9,063,704 B2
  • Filed: 05/04/2012
  • Issued: 06/23/2015
  • Est. Priority Date: 05/05/2011
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for recognizing a clapping gesture made by an operator with a portable device and generating an applause response, the portable device including at least a kinematic sensor and an audio sensor, the computer implemented method comprising:

  • obtaining a kinematic sensor data profile associated with measurements made by the kinematic sensor while the operator performs a specific gesture involving the portable device during a time window having a beginning and end;

    wherein, the specific gesture includes the operator holding the portable device in a palm of a first hand and clapping the portable device into a palm of a second hand;

    obtaining an audio sensor data profile associated with measurements made by the audio sensor while the operator performs the specific gesture involving the portable device;

    wherein, the audio sensor data profile corresponds with a substantially identical time window as the kinematic sensor data profile;

    analyzing the kinematic sensor data profile and the audio sensor data profile;

    wherein the analyzing comprises;

    normalizing the kinematic sensor data profile and audio sensor data profile;

    comparing the normalized kinematic sensor data profile and normalized audio sensor data profile against a database of known sensor data profiles;

    wherein, the database of known sensor data profiles comprises at least a first known sensor data profile known to correspond to a clapping gesture, the first known sensor data profile is characterized by an acceleration impulse near the beginning of the time window, a deceleration impulse near the end of the time window, and an audio signal impulse near the end of the time window;

    determining that the specific gesture corresponds to a clapping gesture based on the analyzing of the kinematic sensor data profile and the audio sensor data profile; and

    in response to determining that the specific gesture corresponds to a clapping gesture, generating an applause response;

    wherein, the applause response comprises an audio output component; and

    wherein, the audio output component of the applause response is based on the kinematic sensor data profile and the audio sensor data profile.

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