基于DSP的车载视频监控存储系统的设计  

Design on the Video Surveillance and Storage System for Vehicle Based on DSP

作　　者：杨忻恺[1] 张为公[1] 于兵[2] 蔡英凤[2] 

机构地区：[1]东南大学苏州研究院,江苏苏州215123 [2]东南大学仪器科学与工程学院,南京210096

出　　处：《电子器件》2009年第4期805-808,共4页Chinese Journal of Electron Devices

基　　金：江苏省交通厅项目资助"基于多源信息融合的长途客车主动安全智能管理系统"(08X09)

摘　　要：根据汽车长途行驶监控以及事故认定的需要,基于多媒体处理芯片DM642和ARM9芯片S3C2440,应用视频采集编码、以太网传输、H.264视频压缩等技术,设计了一种嵌入式车载视频监控存储系统,实现了行车图像的实时存储。应用结果表明,根据不同的存储卡容量,系统最大可实现39h的连续存储,且具有交互性强,扩展性能好,实时性高的特点,拥有较强的实用和推广价值。According to the demands of monitoring long-during and the accident assertion, based on multimedia processing chip DM642 and ARM9 chip 83C2440, an embedded monitoring and memorizing system is designed using DSP video acquisition encoding technology, Ethernet transmission technology, H. 264 video compression and so on. The application shows this system can continuously save 39 hours＇ video according to different storage capacity of storage card and has strong interactions, good expansibility and high realtime performance. The technology and methods adopted in the system are practical and worthy of using abroad.

关 键 词：嵌入式技术 DSP Windows CE 以太网 H.264 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]