可以再实时录像中手动任意截取图片，并根据实际路口信息把数据和图片保存到oracle数据库中，还可以从数据库中查询数据和图片并显示-we can snap picture from real video autoblly,save road info and picture to the oracle database,and also query data and picture from database,

有三个分散的程序代码，能实现波形实时显示还有数据库的读写功能，还有串口通讯-There are three decentralized program code, can achieve real-time waveform display as well as read and write capabilities of the , as well as serial communication