of a person and highlights potential threats. It is the same image no matter the individual's gender, height, or body type. The scanner software recognizes metallic and non-metallic items hiding under clothing. The machine then processes an image using yellow boxes to point out any areas that may need additional screening. TSA Administrator John Pistole stated that "Our top priority is the safety of the traveling public, and TSA constantly strives to explore and implement new technologies that enhance security and strengthen privacy protections for the traveling public ... This software upgrade enables us to continue providing a high level of security through advanced imaging technology screening, while improving the passenger experience at checkpoints." See also 3D scanner 3D body scanning Explosives trace-detection portal machine (puffer machine) Full-body CT scan (in medical imaging) References External links List of American airports that currently/will use Full Body Scanners in their passenger searches Challenge to Airport Body Scanners Alternate ways to screen airport passengers without the need of full body scan National Outcry Over TSA Body Scanners and Invasive Pat-Downs – video report by Democracy Now! Details about body scanners How does an X-ray Baggage Scanner Work? Measuring instruments Security technology Crime prevention Child welfare Safety ksh:Bäckskättr