2025-02-20
Research on the Simulation Method of the Security Check Scene Based on Passive Millimeter-Wave Imaging
By
Progress In Electromagnetics Research M, Vol. 132, 49-59, 2025
Abstract
Current research on passive millimeter wave (PMMW) human security imaging mainly focuses on system optimization and image processing algorithms, with limited attention on simulation studies. This paper addresses this gap by developing a PMMW imaging simulation for human security screening. The study proposes a Multi-layer Brightness Temperature Tracing Method (MBTTM) to accurately calculate brightness temperature values across various scattering directions. The paper proposes a simulation model for microrough surfaces based on the rough characteristics of human skin in security check scenarios. It also presents a PMMW brightness simulation model for detecting hidden dangerous goods in hierarchical media. The model incorporates diffuse ray tracking and accounts for transmission phenomena when rays interact with penetrable surfaces. Finally, both simulation and experimental validation are conducted for human security scenes.Experimental results demonstrate the effectiveness of the proposed method in detecting concealed objects, with a detailed analysis of the impact of surface roughness, ray spacing, and concealment depth on imaging quality.
Citation
Chuan Yin, Siyi Zhang, Pengpeng Xu, and Hong Kuan, "Research on the Simulation Method of the Security Check Scene Based on Passive Millimeter-Wave Imaging," Progress In Electromagnetics Research M, Vol. 132, 49-59, 2025.
doi:10.2528/PIERM24122302
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