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Today we're doing a story about based in Hereford. We're looking at their face-recognition tech today. Here's the story;

Using computers to scan a crowd and recognise and track people's faces is a useful idea that doesn't always deliver.

Now a company in Hereford says it has produced a facial recognition system that is extremely effective and easy to install.

According to Managing Director Duncan Williams the system is about to start a trial in Brisbane airport in Australia and they will then move onto airports in Dubai, Singapore and eventually London.

While existing facial recognition systems often need the installation of new cameras this one can use existing cctv cameras even if they work at a fairly low resolution.

The system can be used to scan and compare faces to a "watch list" to look for terrorists or other people of interest.

But it can also be used within an airport to track large crowds. To make sure everyone who checks on to a flight then boards it for example.

The system could also be used to track passengers as they leave their planes and make their way to immigration.

The company is also creating an app for smartphones. This would allow the police to take a photo of someone using their mobile and quickly compare it to an online database of suspects.

But amongst plenty of other stuff IA Technology also manufacture the electronics used in aircraft ejector seats. I say manufacture it's really more like carefully crafting by hand. After all circuit boards and chips have a reputation for being somewhat delicate but these have to work first time shortly after being fired at some force out of a crashing jet. And here's those electronics in action.

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