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11 months ago

PSIFebruary2017

Get your Career off the

Get your Career off the ground from anywhere in the world Part of the Tavcom Training the leading provider of security systems training, now offer a wide range of online courses. tavcom.com Contact our sales team on +44 (0)1489 895099 CCTV | IP Networking | Intruder Alarms | Access Control | Fire Alarms | Electro Technical

ANALYTICS Analytics add intelligence One of the added extras to some surveillance cameras or a service offered by licence, video analytics bring dedicated functionality to CCTV Typically VCA is used for recognising loitering, proximity to fences/buildings, suspicious behaviour, abandoned object and reading number plates It has been estimated that there are around 2 million CCTV cameras currently operational in the UK, which means that not only are there a lot of you fitting and maintaining systems but there are also an awful lot of footage that need to be managed at any one time to spot any incidents. As any of you that have sat through a lengthy speech will know, the average sustained attention span of a human adult is not very long (at best it is reported to be 40 minutes) so you need some form of stimulus to keep anyone’s focus on the job in hand before it begins to wane. When you factor in the sheer volume of video footage that needs to be monitored for a security application, a solution is needed to help the CCTV operative in not only keeping on top of the vast quantities of data that requires his attention but also help to maintain a high level of efficiency in spotting infractions. The most common way to do this is to add intelligence to the system with the aid of video content analytics (VCA) also known as intelligent video analytics (IVA) and thanks to the size of the UK surveillance sector, having a system that can accurately and immediately detect and alert staff to suspicious activity is crucial. For those yet to really have a look at specifying systems that feature this technology there are a number of VCA solutions that you will be familiar with such as automatic number plate recognition (ANPR), people counting or facial recognition. In the mid 00’s VCA was the buzz of the security industry although early systems did somewhat under-perform and may have led to a slower than expected initial uptake of the technology. Today however the use of video monitoring software is widespread and has, in many new product launches, come fitted as standard as in the case of video motion detection. Even some of the products we have in our homes use VCA technology, such as games consoles. Intelligent image analytics are now firmly part of our day-to-day life, with systems in airports looking for suspicious luggage and behaviour through to tracking of known faces in a crowd. But VCA is not just relevant for security purposes. In the retail environment companies are always looking for the information they can gather from facial recognition software. This includes age, gender and ethnicity – all for the purposes of defining behaviour in the store rather than identifying those individuals who are known thieves on the database. All public area surveillance (such as airports, ports etc) can benefit from using facial recognition to spot unwelcome individuals, however retailers can also use the software to check the profile of their customers and to determine footfall. It is of great value to the retailer to be able to discover where the popular areas of the stores are and how people arrive at that place for designing the store layout and positioning of high profile items. They can also justify charging extra for placement at hot-spots. Another interesting developments of VCA that helped bolster the growth of the technology in www.psimagazine.co.uk 41

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