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3D imaging could optimise security screening, claims expert

Three-dimensional imaging (3D) could not only revolutionise the way in which we travel, but also how goods are vetted and transported in future, says a field expert.

Writing in Info4Security, Nick Fox, chief technical officer of 3D visualisation company 3DX-Ray, explains that the technology could reduce the time it takes to view the contents of a case, without needing to open it - quicker than current-2D modelling.

While 3D scanners are primarily associated with the airline and freight industries, reduced processing times at airport check-ins could improve the speed that cash and valuables in transit providers (CVIT) deliver overseas goods to their users.

Fox things that it is possible that CVIT providers may even employ the technology themselves as part of their own security procedures.

He says that 3D works because determining the depth of field allows security vendors to check the contents of a case (such as threatening or illegal material) faster and more accurately as 3D images are more interpretable.

"Providing the screener with a 3D x-ray image both makes the scene more natural and aids interpretation," explained Fox.

"As a consequence, trainers see a significant reduction in training times of new screeners simply because the screener 'understands' the x-ray scene more readily in the natural 3D view compared to the confusing 2D presentation."

Another benefit of 3D is its ability to accurately pin-point an item's specific location, adds Fox, who was additionally cited by Rather than routing around a container, it's possible a security screener could instantly jump to 'the top left side' of a bag, for example, without having to empty specific stacked layers of goods, like in 2D.

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