摘要
文章介绍了专门用于ITS(智能交通系统)中的一种多功能视频叠加设备──VDM的设计。针对 ITS应用中的主要特点和要求,VDM采取了一些相应的技术措施,该设备现已被成功地应用于交通收费系统中。
This paper describes the design of the video digital mixer (VDM),a kind of multifunctional video superposition equipment used in Intelligent Transport System (ITS). Several modern technologies are used in the development and manufacture of VDM,which is successfully being used in traffic tolling system.
出处
《交通与计算机》
2000年第2期18-21,共4页
Computer and Communications
关键词
视频叠加
智能交通系统
ITS
VDM
video superpostion
technology of transparent shadow
WatchDog Timer
communication protocol for ITS