中文说明：行人检测与追踪代码，文件中包括预处理后的图像文件夹，描述了若干行人在场景中的动态，代码能成功跟踪行人并标出他们的轨迹路线，并显示行人运动随时间变化的过程，简单易实现。
English Description：
Pedestrian detection and tracking code, including preprocessed image folder, describes the dynamics of several pedestrians in the scene. The code can successfully track pedestrians and mark their trajectory, and display the process of pedestrian movement changing with time, which is simple and easy to implement.