基于ARM9的便携式网络监控取证系统设计与实现

Design and Implementation of the Portable Monitoring Network Forensics System Based on ARM9

针对传统监控取证系统体积大、移动性差、成本高等不足,运用嵌入式技术,视频处理技术及无线网络传输技术,设计了一种基于ARM9的便携式网络监控取证系统[3]。该系统以ARM9芯片S3C2440为硬件平台,以Linux操作系统为软件开发平台,将USB摄像头采集到的图像数字化后经过MPEG-4压缩算法的处理,通过构建嵌入式Web服务器[2]以及Java Applet技术[1],实现了远程监控端通过IE浏览器对现场的监控取证,最终形成了一套集视频采集、预处理、存储、显示、传输为一体的便携式视频监控取证终端系统。

In view that the traditional monitoring forensics system is big ,has poor mobility and high cost ,the embed-ded technology ,video processing technology and wireless network transmission technology are used to design the portable monitoring network forensics system based on ARM 9 .The system is based on ARM9 S3C2440 chip hardware platform and Linux operating system software development platform .After the USB camera capturing digital images and MPEG-4 com-pression algorithm processing ,by building an embedded Web server and Java Applet technology ,the remote monitoring ter-minal of the on-site monitoring through IE browser is realized ,eventually a set of the portable monitoring terminal forensics system which integration video acquisition ,pretreatment ,storage ,display ,transmission is formed .