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    • 12. 发明申请
    • Using Ultrasound to Improve IMU-based Gesture Detection
    • 使用超声波改善基于IMU的手势检测
    • US20150261495A1
    • 2015-09-17
    • US14230038
    • 2014-03-31
    • Google Inc.
    • Boris SmusChristian PlagemannAnkit MohanRyan Michael Rifkin
    • G06F3/16G06F3/01
    • G06F3/167G01S1/763G01S11/14G06F3/017
    • The present disclosure provides techniques for improving IMU-based gesture detection by a device using ultrasonic Doppler. A method may include detecting the onset of a gesture at a first device based on motion data obtained from an IMU of the first device. An indication of the detection of the onset of the gesture may be provided to a second device. Next, a first audio signal may be received from the second device. As a result, the gesture may be identified based on the motion data and the received first audio signal. In some cases, a first token encoded within the first audio signal may be decoded and the first token may be provided to a third coordinating device. A confirmation message may be received from the third coordinating device based on the first token provided and identifying the gesture may be further based on the confirmation message.
    • 本公开提供了一种用于通过使用超声波多普勒的装置改进基于IMU的手势检测的技术。 一种方法可以包括基于从第一设备的IMU获得的运动数据来检测在第一设备处的手势的开始。 可以向第二设备提供对手势开始的检测的指示。 接下来,可以从第二设备接收第一音频信号。 结果,可以基于运动数据和接收到的第一音频信号来识别手势。 在一些情况下,可以解码在第一音频信号内编码的第一令牌,并且可以将第一令牌提供给第三协调装置。 可以基于提供的第一令牌从第三协调设备接收确认消息,并且可以基于确认消息进一步识别手势。