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Method for detecting and discriminating gestures
A method for discriminating a gesture of a user, the method being implemented in a motor vehicle for controlling the unlocking of an opening when a predetermined autonomous gesture is detected, the method comprising:-obtaining a basic signal, the base signal represents the evolution of the Doppler shift determined after the emission of the incident radio frequency signal and the reception of the received echo; -dividing said base signal into a first component (Cp1) at the output of a low-pass filter and a further second component (Cp2); applying a first algorithm (Algo1) to the first component in order to obtain a first discrimination result; applying a second algorithm (Algo2) to the second component in order to obtain a second discrimination result; the second algorithm includes a cyclic calculation of a standard deviation ([sigma] (k)) performed based on a sequence of values of the second component, and when the calculation of the standard deviation is below a predetermined threshold, a second discrimination result indicates an autonomous gesture.
一种用于辨别用户的姿势的方法，所述方法在机动车辆内实施以用于当检测到预定的自主姿势时控制开口的解锁，所述方法包括：‑获得基本信号，所述基本信号表示在入射射频信号的发射和接收回波的接收之后确定的多普勒频移的演变；‑将所述基本信号分成在低通滤波器的输出处的第一分量(Cp1)以及另外的第二分量(Cp2)；‑将第一算法(Algo1)应用于所述第一分量以便获得第一辨别结果；将第二算法(Algo2)应用于所述第二分量以便获得第二辨别结果；所述第二算法包括基于所述第二分量的值的序列执行的标准偏差(σ(k))的循环计算，并且当标准偏差的计算低于预定阈值时，第二辨别结果指示自主姿势。
Method for detecting and discriminating gestures
A method for discriminating a gesture of a user, the method being implemented in a motor vehicle for controlling the unlocking of an opening when a predetermined autonomous gesture is detected, the method comprising:-obtaining a basic signal, the base signal represents the evolution of the Doppler shift determined after the emission of the incident radio frequency signal and the reception of the received echo; -dividing said base signal into a first component (Cp1) at the output of a low-pass filter and a further second component (Cp2); applying a first algorithm (Algo1) to the first component in order to obtain a first discrimination result; applying a second algorithm (Algo2) to the second component in order to obtain a second discrimination result; the second algorithm includes a cyclic calculation of a standard deviation ([sigma] (k)) performed based on a sequence of values of the second component, and when the calculation of the standard deviation is below a predetermined threshold, a second discrimination result indicates an autonomous gesture.
一种用于辨别用户的姿势的方法，所述方法在机动车辆内实施以用于当检测到预定的自主姿势时控制开口的解锁，所述方法包括：‑获得基本信号，所述基本信号表示在入射射频信号的发射和接收回波的接收之后确定的多普勒频移的演变；‑将所述基本信号分成在低通滤波器的输出处的第一分量(Cp1)以及另外的第二分量(Cp2)；‑将第一算法(Algo1)应用于所述第一分量以便获得第一辨别结果；将第二算法(Algo2)应用于所述第二分量以便获得第二辨别结果；所述第二算法包括基于所述第二分量的值的序列执行的标准偏差(σ(k))的循环计算，并且当标准偏差的计算低于预定阈值时，第二辨别结果指示自主姿势。
Method for detecting and discriminating gestures
用于检测和辨别姿势的方法
MASRI ISHTIAQ (author) / DARAUJO FRANCIS (author)
2024-10-22
Patent
Electronic Resource
Chinese
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