US airports to adopt new shoe scanners to simplify security checks
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Civil Aviation Resources Network reported on January 13, 2025: According to Passenger Terminal Today, the U.S. Transportation Security Administration (TSA) plans to launch new shoe scanning technology in the next few years to further optimize the security inspection process.
This technology has been developed for many years. It uses millimeter wave technology to scan the soles of shoes and generate 3D data, which is then transmitted to computers for analysis. Currently, it takes about two seconds to complete a shoe scan and about five seconds to process the data. In the future, this shoe scanning device may be integrated into the floor of the security inspection system to achieve simultaneous scanning of passengers and shoes, further simplifying the security inspection process.
This technology is part of the "Screening at Speed" project of the Department of Homeland Security Science and Technology Directorate. The project is in cooperation with the Pacific Northwest National Laboratory (PNNL) under the Department of Energy and is committed to developing more advanced detection technologies while improving the security inspection experience of passengers.
The core technology of the project, "High Definition Advanced Imaging Technology" (HD-AIT), is also based on the millimeter wave principle. The HD-AIT system can collect passenger data, analyze it through algorithms, and mark abnormal areas on virtual human images to remind security personnel to conduct further inspections. In the future, this technology is expected to achieve the goal of passengers passing through security inspections at walking speed, greatly improving efficiency.