a real-time 3D pointing gesture recognition algorithm for natural human-robot interaction (HRI). The recognition errors in previous pointing gesture recognition algorithms are mainly caused by the low performance of the hands tracking module

多目标跟踪的粒子滤波器，空间目标识别，采用PM算法，分数阶傅里叶变换计算方面。- Multi-target tracking particle filter, Space target recognition algorithm using PM, Fractional Fourier transform computing.