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    • 9. 发明申请
    • TOUCH FREE USER INPUT RECOGNITION
    • 无触点用户输入识别
    • US20130249793A1
    • 2013-09-26
    • US13427320
    • 2012-03-22
    • Yanning ZhuAleksey Fadeev
    • Yanning ZhuAleksey Fadeev
    • G06F3/033G06F3/01
    • G06F3/017
    • Embodiments of electronic systems, devices, and associated methods of touch free user input recognition are described. In one embodiment, a method includes detecting a plurality of spatial positions of a user's finger or an object associated with the user's finger with respect to time. The method also includes calculating a section length and a direction change for a plurality of pairs of consecutive detected spatial positions of the user's finger or the object associated with the user's finger. The method further includes determining if a temporal trajectory formed by the plurality of spatial positions of the user's finger or the object associated with the user's finger correspond to natural shakiness of the user's finger based on the calculated section lengths and direction changes.
    • 描述了电子系统,设备和相关联的无触摸用户输入识别方法的实施例。 在一个实施例中,一种方法包括相对于时间检测用户手指或与用户手指相关联的对象的多个空间位置。 该方法还包括计算用户手指或与用户手指相关联的对象的多对连续检测到的空间位置的区段长度和方向变化。 该方法还包括基于所计算的部分长度和方向改变来确定由用户手指的多个空间位置或与用户手指相关联的对象形成的时间轨迹是否对应于用户手指的自然抖动。