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Video Monitor System

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As the video monitor system of city network needs large investment and complicated techniques,

so an object general evaluation is very important before its construction. The basic features of a

video monitor system are large investment, technological demanding, a large number of users

and links involved which include image collection, transmission, storage, management and

share.

Technologically, there are the following standards to judge whether a video monitor system

functions well or not. First is its practicability, as a good system, some factors such as the local

environment conditions, supervising objects, ways of monitoring and maintenance must be taken

into consideration so that the normal running of the system can be insured and the demands of

the public security management can be met as well. Then is its reliability and stability; adopted

the advanced skills and reliable equipment, software of the system has functions of maintaining

and recovering so that a relatively long run time can be insured and a quick recovery will also be

available when mistakes happened.

Whether it is convenient to update and maintain or not is a big issue, too. Software of a system

should equipped with the function of automatic updating due to the large scale of the system.

Besides, the warning system is consisted of many complex systems including the network,

storage and operation system, terminal equipment. Therefore, it is for every subsystem has the

function of recording of what happened. Last is the compatibility and the extent of

standardization. Compatibility is the key for devices of different companies and protocols to

interact well. A good system can communicate and share data efficiently, and implement

compatibility and inter operating among devices. Furthermore, the higher extent and the better

openness of a system, the longer the life circle it will have.