Articles | Volume 23
https://doi.org/10.5194/ars-23-101-2025
https://doi.org/10.5194/ars-23-101-2025
11 Dec 2025
 | 11 Dec 2025

A hybrid algorithm to process millimeter wave images with prism-shaped aperture

Marvin Holder, Mark Eberspächer, and Christian Waldschmidt

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Short summary
Radar waves are able to penetrate through materials like cardboard or plastics and thus are able to inspect hidden objects. A 3D inspection system based on radar imaging is introduced. Opposed to X-Ray imaging, no harmful radiation is used. The system scans through the object, while it is passing on a conveyor belt. The inspection system uses a curved antenna layout, which is shown to have higher resolution than flat layouts. For processing, a custom flexible and performant algorithm is derived.
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