Research Of Embedded Video Surveillance Terminal Based On ARM

With unceasing development of industrial technology and the people's sense of safety precaution gradual strengthening,video Surveillance System has become an indispensable part of people in production and daily life. Especially in recent years, with the development of computer technology, broadband penetration and the improvement of image processing technology, video surveillance is becoming more and more widely infiltrated into education, entertainment, medical care and sports fields. Video monitoring system has become a new hot spot in the visual field. Many application fields for the video surveillance system is facing higher and newer requirement. So how to achieve monitoring function economically and efficiently in specific environment,it gives us a new research subject.The thesis aims at finding a feasible method to realize the video Surveillance which based in ARM and Linux. It realize video image capturing,compression and transmission. In this article,we integrate embedded technology, image compression and network technology to design a network video monitoring system based on embedded.This article has first researched the present situation and the next trend of development of video Surveillance System. We analyse basic principle and performance requirement of embedded surveillance system and put forward a overall blue print. In the hardware design,we adopts Samsung S3C2410A as embedded processors, cooperating the periphery hardware circuit to constitute the embedded core board. The design of system uses the modularization proposal. Hardware will be divided into three modules: the processors and memory modules;the power, the clock and the restart circuit module;the periphery interface circuit module. We has detailed introducd each part in the paper. After completing hardware design of core board,we introduced how constructs the software platform of the embedded supervisory system,including how to successful transplant Linux operating system, how to develop a low layer driver to run the USB camera. Finally,we completes the application programme in this platform which is based on the embedded Linux system.The application programme realize video image capturing,compression and transmission. In this part, We discuss how to use the Video for Linux interface to capturing video stream,how to achieve sofeware cmpression of video streaming and how to ensure Real-Time transmission.This paper introduces a small size, low cost, digital monitoring solution. Practice has proved that the system can satisfy the demands for reliability and real-time requirements. This system can be used in a lot of situation and has a great marking potential.