卡尔曼滤波(Kalman filtering)一种利用线性系统状态方程，通过系统输入输出观测数据，对系统状态进行最优估计的算法。本程序使用opencv进行卡尔曼滤波。-Kalman filter (Kalman filtering) A linear system equation of state, observation data input and output through the system, the system state optimal estimation algorithms. This program uses opencv Kalman filtering.