CCTV & SECURITY
Closed-circuit television(CCTV) surveillance system have made tremendous technological progress in the recent years, not only in individual capabilities, but also in the ability to interface with other security technology. There are three primary ways to use CCTV systems, industry experts say: as a deterrent, for forensic purpose and as an interdicted device.
As recording and storing technologies and software such as video analytics have became more efficient, CCTV surveillance system have evolved into a forensic, tool— that is, collecting evidence after an event has occurred. But as CCTV surveillance systems become more easily integrated with monitoring devices, alarm system and access control devices, a third use of CCTV is gaining momentum: Helping security personnel to identify and interrupt security breaches as they’re occurring, or even before they take place.
Intelligent video algorithms, such as sophisticated motion detection, can identify unusual walking patterns and alert a guard to watch a particular video screen. Object-recognition algorithms can identify someone who might simply be loitering, or even a briefcase or other suspicious object that’s is left somewhere it shouldn’t be. Again the system can alert a monitoring guard so that appropriate action can be taken. The most advanced intelligent video algorithms is facial recognition.
Traditionally, intelligent video algorithms are components of a computer system in a security from to which video captured by and array of CCTV cameras is fed. Wide dynamic range is another technology that is becoming more prevalent cameras. Wide dynamic range means cameras can resolve details when there’s a tremendous amount of both light and dark areas in the same scene. Traditional cameras can’t do that.