| Remote Monitoring System has great significance for the guaranty of industrial production, life of people and social security. At present, with the development of science and technology and the improvement of living standard and productive forces, Remote Monitoring System has been more and more applied in various fields, such as group companies, banks, post and telecommunication or other large-size enterprises based on a vast information communication. In addition, for its application in unattended substation, important traffic crosses, hydrological observation and the monitor of frontiers and coastal fronts and so on, remote video monitoring system plays a key role in motoring system.This thesis discusses the design and realization of a digital video monitoring system, which uses video card and achieves the remote real-time monitoring system based on Ethernet. As an integration of traditional remote monitoring system and modern network and multimedia technology, this system is more advanced, easy to be operated and has a better practical applicability and expansibility.This thesis demonstrates in details the main function which should be realized by digital video monitoring system, as well as the designing and its realization of the system software. This thesis introduces in details the design and functional realization of the models of video compression, decompression and video transport.After this, some key relating technologies, including COM, DirectShow, Windows Socket, TCP/IP, Video Compress Codes and Transport technologies, have also been presented in the thesis to realize a complete digital video monitoring system.
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