| The city's modernization and the rapid development of economy has put forward many new requirements and tasks to the security work of the city's public security system. In the same time, the development of computer technology, multimedia technology, network technology and communication technology provides a strong technical warranties and conditions to the implementation of digital network monitoring of modern cities, so as to construct a technologically advanced, reliable, economical and practical, easy-managed digital network security monitoring system for urban areas, which becomes an important means for the city public security system to maintain social order, crack down crimes, protect the lives and properties of citizens and promote economic development, also it becomes an important symbol of city modernization.The topic origins from the Public Security "Skynet Project" surveillance video system reconstruction project research of Jiangxi Province. It mainly studies IP-based digital video surveillance security system. This essay has analyzed the current development and key technologies of IP-based video surveillance system. Combined with the actual needs of modern urban police work and the full analysis and research of the key technology in the digital network video surveillance system, it proposes public security comprehensive video surveillance system model based on public security IP network for small and medium cities. The integration intelligent monitoring system platform achieves the functions of unified data access. and statistical analysis and system management and achieves resource sharing, information sharing with area security applications in use to provide a feasible construction applications for the small and medium cities' police video surveillance system. Finally, it comes to the summary and prospect of the whole paper. |
