Characterizing targets’ scattering property through multi-angle imaging of active MMW system

Ziye Wang; Yang Yu; Lingbo Qiao; Yingxin Wang; Ziran Zhao

doi:10.1117/12.2539619

18 December 2019 Characterizing targets’ scattering property through multi-angle imaging of active MMW system

Ziye Wang, Yang Yu, Lingbo Qiao, Yingxin Wang, Ziran Zhao

Proceedings Volume 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications; 113341F (2019) https://doi.org/10.1117/12.2539619
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

Current active millimeter-wave (MMW) imaging system applied to personnel surveillance uses shape recognition in the reconstructed image to identify dangerous goods. This method relies on a single kind of information namely pixel value to distinguish potential threats. It can be susceptible to interference such as noise and multiple scattering and it is difficult to distinguish fine structures. In view of this situation, this paper presents a feature acquiring through multi-angle imaging to characterize target’s scattering property. This feature can add one more dimensional information of targets except for the original reconstructed image, and it can distinguish objects more accurately to assist the realization of target classification. Electromagnetic simulation has been conducted and the reconstructed image results as well as quantitative studies show the effectiveness of this feature in assisting target distinction.

Citation Download Citation

Ziye Wang, Yang Yu, Lingbo Qiao, Yingxin Wang, and Ziran Zhao "Characterizing targets’ scattering property through multi-angle imaging of active MMW system", Proc. SPIE 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications, 113341F (18 December 2019); https://doi.org/10.1117/12.2539619

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KEYWORDS

Scattering

Imaging systems

Extremely high frequency

Electromagnetic scattering

Millimeter wave imaging

Holography

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