X-ray security scans go interactive

 作者:盛欧     |      日期:2018-02-09 06:01:00
By Duncan Graham-Rowe AIRPORT security staff can spend their entire day staring at two-dimensional, static X-ray scans. Soon, however, they may be able to interact with these images, rotating a scanned object on the screen and even analysing its chemical composition. It can be difficult to identify objects from the 2D images generated by X-ray scanners, says Paul Evans, head of the Imaging Science Group at Nottingham Trent University, UK. And while the latest X-ray scanners can glean information about the atomic or molecular weight of a substance, and so help distinguish between materials,