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Pc Based Video Surveillance Systems

The Solution of Video Surveillance on the computer network

Video Server is a computer based solution of digital video surveillance, delivering analogical video image to any PC within a computer network, to monitor mobile cameras (section, tilt, zoom lens), to record all cameras systematically and to display these recording in a convivial way from a made commonplace PC.

IP Video Surveillance

IP is the abbreviation of Internet Protocol, transmitting video image by utilizing open internet protocols and standards for the purpose of recording and monitoring.

An application of video surveillance on IP creates pack of digitized video data which are transferred on a network using wired or wireless IP. It allows control and video recording on all zone covered by this network, while enabling the possibility of including other types of systems such as plans of control of access.

Because of its progressive scan, the video surveillance on IP is a famous technology, worthy of recognition, not only for the classical actual remote applications of surveillance and control, which it can ameliorate or revitalize, but also for a huge number of new applications in many areas as for instance:

Education: security and remote control of schoolyards, halls, schoolrooms and security of buildings.
Transport: remote control of the rail railway stations and quays, public highways and airports.
Banks: traditional applications of security inside banks and their subsidiaries and wherever there are ATMs (Automated Teller Machine).
Administrative services: applications of surveillance of security, often inserted into the actual and future systems of access control.
Trade: security and remote monitor for a more efficient and easier management of stores and shops.
Industry: control of the manufacturing technique, logistical systems, systems of stock control and storage (with a variety of a particular interest and which will not be treated in this file, which is the recognition of form in production lines).

Network Camera

Not to be confused with Web Cam, a network camera is a camera which is directly connected to network (and not in a PC).

The network camera links optic functions of a camera and the capacity of a small computer equipped with an internal Web server. A network camera has a computer network connection of RJ45 for direct switch connection.

This camera broadcasts its pictures in every post which makes it request via a navigator on Internet network.


The IP camera has been designed to transmit visual pictures on the Web without the need of using a computer. The camera IP is therefore considered to be autonomous.

Camera Server

A camera server contains all server particularity of a network camera but does not have integrated camera.
It is necessary to add an analogical video camera to the server of classical surveillance camera. The combination of server camera and analogical video camera is identical to a network camera. A camera server includes therefore a computer network using RJ45 connection and one or several coaxial connectors to link analogical cameras of the network.

When to use a network camera or a server camera?

The network cameras are the new standard of the video surveillance or the animation of Websites. They considerably give you the possibility to alleviate the expenses of installation and wiring. The cameras server allows to recover the existing installations and to make them accessible to the network of subscribers.

A second application of the cameras server consists in linking to the network of cameras having special optic or mechanical characteristics (cameras infrared, miniature, mobile cameras, etc).

How to view the images in real time?

To visualize the live pictures in real time on a PC linked to a computer network, special software is customized for this purpose. This functioning mode allows you to make very simple video surveillance in real-time on the network. It is in this mode of real time visualization that the cameras give the best performances in number of pictures per seconds.

How to visualize and to remote control a mobile camera in real time?

The system gives you the possibility via the visualization software to operate by remote control mobile cameras if required, for instance: in big expanses, big areas, large scale production lines and commonly where they need to pilot a camera to the right and to the left and downward and especially to focally zoom to most important details.


How to record all the images of all the cameras?

The system offers you a recording server plug and play which is enough to connect up on computer network and to automatically record all IP cameras and analogical cameras (across the cameras server). All this recording is stocked in hard disk (size of which must be proportional to the number of existing cameras and to the number of days which is required to record: 1 week, 1 month...)

How to visualize the recording

The system also offers you as part of this resolution; numerical recording, a visualization recording software. (without stopping them).

It is an intelligent software accessible from any PC of computer network via a navigator web (Internet Explorer or other one) to Choose the day of the sequence to show, to Choose the hour of the sequence to show, to Choose the month of the sequence to be shown, Visualization of files recorded in normal mode, Visualization of files recorded in mode time laps (very quick)

The Advantages of Video Server

- Use of existing computer wiring, visualization on PC, no specific monitor (TV or other one).

- Broadcasting of pictures, in real-time or in postponed time.
- Permanent recording or customized.
- Automatic deletion of recorded pictures.
- Visualization of recording via a simple WEB navigator.
- Function "digital video cassette recorder" with fast-forward.
- Increased security, no video traffic on the subscribers' network during recording.
- Control and administration of the system from any post of the subscriber.
- Management of the rights of visualization to user level.
- Choose a Camera to be shown.

Source: Free Articles from ArticlesFactory.com

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