Cctv Description:
CCTV full form or meaning is Closed-Circuit Television.
CCTV i.e. closed-circuit television, which we also call video surveillance, is a combination of many digital devices, in which the video signal is sent to a specific recording device or display device using a video camera.
CCTV is a complete setup with a video camera, recording equipment, display screen etc.
CCTV sends a continuous video signal to a recording device or display device via wire transmission or wireless transmission.
CCTV has become an important part of the life of common people due to its utility. Wherever we go today, CCTV is installed in the security point of view, such as a bank, shopping mall, traffic, hospital etc.
Through CCTV, we can monitor any particular area, and reduce the possibility of any kind of crime.
The video that is recorded by a CCTV camera is shown on some limited display device already defined or recorded on a limited recording device This recorded signal is not publicly broadcasted, meaning a closed group or limited people has access to the recording of a CCTV camera.
For this reason, CCTV is called closed-circuit television.
CCTV was launched in 1942 by German engineer Walter Bruch to watch the launch of the V2 rocket Privately from his home.
Initially, when CCTV was made, it was only able to record black and white video, but today the field of CCTV has grown a lot.
Today we can record high-definition video from CCTV and can access it from anywhere through the Internet.
Recorded videos can be zoomed through today’s high-tech CCTV, and can accurately identify a person or vehicle.
Even today CCTV has come up with a Face Recognition facility, which can identify a particular person and inform the authority, without the help of any human being.
High-tech, high-definition cameras mounted on traffic signals also keep a close eye on vehicles and drivers, Even these cameras record the number and speed of the vehicles, and if there are any speed violations, then send the information to the system, with recording proof.
mainly two types of video recording techniques are available-
CCTV today has become an important