Indoor real-time passive millimeter wave imager for concealed threats detection

Ettien Kpré; Nicolas Vellas; Christophe Gaquiere; Alexandre Martins; Michael Dons; Matthieu Egret; Matthieu Werquin; Sylvain Jonniau; Théo Lahaye

doi:10.1117/12.2558070

23 April 2020 Indoor real-time passive millimeter wave imager for concealed threats detection

Ettien Kpré, Nicolas Vellas, Christophe Gaquiere, Alexandre Martins, Michael Dons, Matthieu Egret, Matthieu Werquin, Sylvain Jonniau, Théo Lahaye

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Proceedings Volume 11411, Passive and Active Millimeter-Wave Imaging XXIII; 114110I (2020) https://doi.org/10.1117/12.2558070
Event: SPIE Defense + Commercial Sensing, 2020, Online Only

Abstract

Millimeter wave frequencies has been proven to be able to penetrate clothes and luggage allowing the detection of concealed threats. Previous work showed the high performances of the passive Millimeter wave Imager developed by MC2-Technologies. The system can detect threats through clothes in Real-Time up to 16 images/s with a large field-of-view. This paper introduces a patented scanning technique to simultaneously measure radiated wave from two different scenes while providing high performances and video rate images. The proposed approach is integrated in a global solution so-called SACOP and allows the drastically reduction of the staff and material resources for implementation in real environment. Imaging has been conducted at millimeter-wave frequency with conclusions on the merits. The results demonstrate the potential of the new scanning technique for people screening in a challenging indoor situation.

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Ettien Kpré, Nicolas Vellas, Christophe Gaquiere, Alexandre Martins, Michael Dons, Matthieu Egret, Matthieu Werquin, Sylvain Jonniau, and Théo Lahaye "Indoor real-time passive millimeter wave imager for concealed threats detection", Proc. SPIE 11411, Passive and Active Millimeter-Wave Imaging XXIII, 114110I (23 April 2020); https://doi.org/10.1117/12.2558070

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KEYWORDS

Metals

Imaging systems

Extremely high frequency

Sensors

Patents

Calibration

Radiometry

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