Innovations & technologies

New Security Scanning Method under Development

Researchers from North Carolina State University have used computer models to demonstrate the possibility of a low-cost security imaging device that makes use of inexpensive radio components. Functional prototypes are under development and would be orders of magnitude less expensive than existing imaging devices.

Currently, scanning devices that detect hidden weapons or contraband in airports rely on millimeter-wave cameras, which can cost more than $175,000. The cost of the technology is a significant limiting factor in determining where, and whether, to use these scanners.

Brian Floyd, an associate professor of electrical and computer engineering at NC State and lead researcher on the effort: “Our goal is to develop imaging technology that would be functional and affordable, making use of multi-antenna systems”.

Before developing a prototype, Floyd wanted to be sure that the idea would work. So, he and a team of students developed both a computer model and algorithms to simulate how – and whether – the new method would produce useful images, it did.