基于OpenCV的Kalman滤波算法。利用Kalman滤波算法实现目标跟踪，本例中具体跟踪对象为随机产生的圆的轨迹，预测轨迹中下一点的位置，标记出来并给出相应的运动轨迹。-The Kalman filtering algorithm based on OpenCV. The use of Kalman filter algorithm for target tracking, in this case specifically track the object is randomly gene