Sunday, March 21, 2010

CCTV surveillance systems used as a crime fighting and prevention

CCTV surveillance systems play an important role in fighting and preventing local and international crime. These closed circuit television systems were in place in London before the July 7th bombings and this footage is being used to identify suspects and investigate the attacks.

Besides fighting terrorism, CCTV security systems installed in public places or retail markets can deter crime, provide the police with leads, help citizens feel safer, and improve the economy of a crime-stricken area. Most CCTV systems have now gone digital for improved performance, urveillance camera maneuverability, and quicker feedback as compared to analog systems.

Implementing CCTV systems

Law enforcement or security professionals best support CCTV systems. These teams of rofessionals need to monitor the CCTV video evidence on a timely basis and they need to be properly trained in order to interpret suspicious behavior caught on the system. When all of these factors are in place, then the CCTV security system will be effective for keeping citizens and shoppers safe. In the case of some municipalities or businesses not being able to afford all of the necessary components of a CCTV system, many CCTV providers can recommend a scalable approach so that priority security needs may be addressed first. Then, additional surveillance cameras can be purchased in ucceeding years as the budget allows.

Digital CCTV systems and surveillance cameras

A modern digital CCTV security system consists of hardware and software components that collect and transmit vital surveillance camera information over fiber optic lines to control rooms staffed by security professionals and equipped with digital CCTV monitors. An example of the surveillance cameras used for reducing crime in LA's MacArthur Park include CyberDome DayNite 25X cameras equipped with removable infrared cut filters, 25x optical zoom lenses, 12x digital zoom capabilities, and 360-degree PTZ (pan tilt zoom) capabilities. This MacArthur Park system also includes GE Storesafe DVRs (digital video recorders) and GE KTD-405 keypad controllers. DVRs are capable of saving CCTV data to a PC for up to ten weeks of recording and some even feature motion etection technology, which means that the footage is only recorded when motion triggers the DVR system. Digital surveillance cameras range in type from compact, fixed cameras to direction-controlled models that can see in the dark under various lighting conditions. CCTV decision-makers need to know what kind of job each surveillance camera must fulfill. Will it watch the flow of passerbys (fixed cameras) or will it need to monitor a crime-targeted area (dome cameras with PTZ functions)? These video security managers also need to consider weatherproofing their surveillance cameras if the cameras are mounted in an especially hot or cold climate, or if the viewing fields could be obscured by dirt or dust.

What kind of crimes do CCTV systems prevent?

Evidence has shown that CCTV systems mostly deter property crimes and robberies, but not more violent crimes such as rape and aggravated assault. CCTV systems may not catch these crimes because they may occur away from the surveillance cameras in more deserted areas.
Fortunately in most situations, when a CCTV system is in place, criminals generally shy away from these monitored areas fearing prosecution since these recorded images can be used in court. As noted previously, in order for a CCTV system to be effective, the electronic system must be used in conjunction with human know-how and skills and it should be carefully integrated into existing security plans.

CCTV: Looking ahead

In the next few years, digital CCTV systems will evolve into wireless CCTV systems that employ GSM (global system for mobile communication) or 3G (third generation) onnections. These wireless systems are completely portable and can deliver live images to a PC, an Internet phone, or a laptop. The cameras are tiny, but include many of the sophisticated features of full size digital CCTV cameras. CCTV customers are also seeking IP-based solutions with LAN/WAN delivery options despite some lags in the technology's image quality and frame rate. "Make no mistake about it, the future is wireless," says Thomas M. Wade, president of Samsung CCTV. "We'll be pushing crime-related images to police cars in the future. Imagine an abduction or robbery in which the responding units are seeing the video and the suspects as they are rolling to the scene. It's all possible and it is the general direction of the industry."

There is also talk of linking CCTV cameras together to form a worldwide network to prevent terrorism, but this international surveillance system would cost billions of dollars and would require extensive international cooperation.

Visit : http://www.gobeyondsecurity.com/forum/topics/cctv-surveillance-systems-used

18 comments:

Adam Scott said...

Good Article this is very good article and good information about CCTV Systems and Security System. good Keep it up

cctv surveillance cameras said...

CCTV is defined as the use of video cameras to transmit video to a limited set of monitors. CCTV is often used for surveillance. Businesses, offices, schools, and even residences may employ CCTV. CCTV systems are designed to operate continuously. They can be as simplified or complicated as you wish.

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CCTV Systems said...

A CCTV system is in place criminals generally shy away from these monitored areas. It will evolve into wireless CCTV systems that employ GSM.

Anonymous said...

I am a 58 year old man working in State Bank of India & just out of interest or curiosity I read your updates of information. It is very illustrative, informative and exhaustive even to a layman like me. I thank you. Go ahead.
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Anonymous said...

Video cameras don't have much influence in preventing crime. The prevention is only in the element of deterrent because the operator still needs to pick up the potential threat and then have authorities respond in time to prevent the crime. Should we have cameras everywhere? Even in front of our homes?

Every time I go shopping in the Valley I am fully conscious that cameras are watching my every move. I can see the lenses through the little black glass pointing directly at me. Recording my face and monitoring my car number plate. More and more I notice the little eyes watching everything I do. Now theyh have popped up all around the Chermside shopping precinct.

It may be comforting to know that our environment is a little safer for now, but it also feels a little creepy having an Orwellian Police force watching my every move.

I don't think I have anything to hide; but it just gives me the creeps. I have never been in a position where I feel threatened and so I wonder if the discomfort is really worth it? I would much rather be able to meet a real person such as a policeman walking the beat.

One problem for a policeman is that because they continually see crime they can fall into the false perception that everyone is a criminal. Hiding the police men and women behind a video screen will only encourage that perception instead of building relationships with the community.

Anonymous said...

There are dozens of CCTV cameras at Sydney Airport, but despite this 'high security', a man was killed in broad daylight a few weeks ago. If having CCTV around doesn't stop murder, what can it actually do?
—Frank

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