cameras for the purpose

Using CCTV cameras for the purpose of surveillance is becoming a contentious subject. There is no doubt that this technology has helped the prevention of crime by facilitating the procedure of locating and convicting criminals and terrorists. But detractors of CCTV are apprehensive of video surveillance being exploited for social control, as in the case of COINTELPRO, now an invalid program of the U.S. Federal Bureau of Investigation (FBI). This program made use of surveillance as a part of many of its investigations, some of which were illegal and disrupted rebel political, civil liberties, and hate groups. Other critics consider the existence of CCTVs as intrusive, giving a sense of getting watched, amounting to a timid and passive population. The phenomenon has been described in a number of books and movies
The police started using such cameras during the late 60s to save businesses and general public from crimes. These days, they are frequently used in stores, casinos, banks and even private properties. These are also used for monitoring industrial processes and traffic at public places and buses, subways and trains. UK employs CCTVs mainly for security applications.Germany was the first country to use CCTV for keeping track of the rockets during their launching at the time of WWII. The CCTV was invented by a German named Walter Bruch, who is better known for having invented the color television. Till today, the same technology is employed for locating problems faced during rocket launching.

They may also have VCA feature (Video content analysis.) VCA connects the camera to computers, which allow the users to navigate through the video recording for spotting doubtful movements and particular objects, like an unidentifiable person loitering around the scene of crime or a black van. Some cameras are designed for recognizing faces to help identifying a person through movements or facial features. The control of these cameras is done from a control room, which may be in a different section of the building or even in an entirely different building.

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