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Grains of Video Surveillance Camera

Many organisations such as businesses and schools have installed closed circuit cameras for security surveillance purposes.  Some have success and some do not.  Cameras play a major part in this fortune game and we would like to explain what, why and how.  We will explain technical terms in layman terms.  By the end of this paper, readers will know how to ask the right questions for making purchase decisions for video security surveillance systems for their own organization.  This paper reveals the grains or essence of cameras.

Abrupt Transition to IP

We have the older generation CCTV cameras and modern IP cameras to choose from.  Traditional cameras generate analogue signals to represent video images whereas IP cameras use computer binary methods. IP stands for Internet Protocol; it means the modern video surveillance cameras are built to work with the Internet.  CCTV stands for closed circuit television; it is a category that should encompass both the older analogues and the newer IP cameras but people often say CCTV to mean analogue cameras.

The transition is abrupt in terms of technologies employed but very gradual in terms of deployment by the market.  We estimate that ...

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