中文说明：交通视频车辆检测，实现步骤为：1.读取视频文件2.利用图像提取相关算法检测单帧图像中的车辆3.车辆检测算法应用于视频图像中4.将结果可视化
English Description：
The implementation steps of vehicle detection in traffic video are as follows: 1. Read the video file; 2. Detect the vehicle in a single frame image by using the image extraction algorithm; 3. Apply the vehicle detection algorithm to the video image; 4. Visualize the results