| Video surveillance system is an integrated system which refers to computer technology, communication technology and digital video technology. Because of its convenience and its enrich information, it has an abroad application in the area of industry, traffic, telecom, electric power, bank, intelligence building.With the development of network technology, embedded technology and video technology, it has been possible to transport and control digital video data on networking real time. Embedded video surveillance system is a new digital video surveillance system based on embedded system technology, video technology and real time network transport technology. Compared to the old video surveillance system, it has many advantages, such as stability, real time performance, functions and price etc .It is also the direction of research and development in video surveillance system.In this thesis, the video surveillance system based on network is deeply studied. And then design and implementate the advanced equipment based on the microprocessor MPC8245 and embedded Linux operating system.The thesis describes the whole design scheme and main functions of the system, and discusses detailly on the building process of the developing environment, based on the embedded Linux operating system, including the configuration of development tools, kernel considerations, root file system setup and bootloader setting up。Based on this system flat, the design and implmentaiton of device driver of the vedio CODEC chip by the name of VW2010 are analysed detailed. The end of this thesis implements video surveillance system by the design of the network communication module,including the sever and the client of the system, according to the system requirement under the Linux OS. |
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