移动视频车辆监控系统的设计与实现

摘要

为了传榆目标定位和视频等宽带数据,提出了一种基于GPS/TD-SCDMA的车辆监控系统设计方法.分析了新一代无线车辆监控系统的新需求,在此基础上确定了系统总体组成框架、工作流程图,数据传输协议,并对车栽移动监控终端的硬件进行了选型设计,给出了系统各组成部件的软件实现方式,为了避开国际专利陷阱,视频编解码方案选用具有我国独立知识产权的AVS标准.对搭建的原型试验系统进行测试,结果表明,该系统能提供高分辨率动态视频监控,并能进行精确车辆定位.%To transmit wide-band positioning and video data, a vehicle surveillance system based on GPS/TD- SCDMA is designed.Firstly, therequirement analysis of new generation wireless-mode vehicle surveillance system is given. Then, the general architecture and work flow chart and data transmission protocol of this system are decided. The hard design of the mobile surveillance terminal and the soft design of this system' s every unit are given. To avoid the risk compensated by international patents, its video codec scheme used AVS that china owns unique intellectual property. Experimental results demonstrate that this test system has better surveillance performance.