Bi-focal unattended ground sensor concept for high resolution and wide field-of-view real-time situational awareness

Nicolas Hueber; Alexander Pichler; Christophe Hennequin; Philippe Voisin; Pierre Raymond; Louise Sarrabezolles; Lucas Didier

doi:10.1117/12.2536654

16 October 2019 Bi-focal unattended ground sensor concept for high resolution and wide field-of-view real-time situational awareness

Nicolas Hueber, Alexander Pichler, Christophe Hennequin, Philippe Voisin, Pierre Raymond, Louise Sarrabezolles, Lucas Didier

Author Affiliations +

Proceedings Volume 11163, Emerging Imaging and Sensing Technologies for Security and Defence IV; 111630F (2019) https://doi.org/10.1117/12.2536654
Event: SPIE Security + Defence, 2019, Strasbourg, France

Abstract

In the context of decreasing human engagement in conflicts and ever wider areas of responsibility, vision-based Unattended Ground Sensor (UGS) deployment is mandatory for wide and long range situational awareness while relieving and protecting human resources in safe areas. High-resolution single sensor concepts imply processing a huge amount of pixels either off-board, by a high bandwidth communication media to a central processing infrastructure, or on-board with a powerful embedded processor. Nevertheless, these approaches decrease EM stealth and require a lot of electrical power affecting the sensor autonomy. To allow on-board real-time processing while optimizing Size,Weight and Power (SWaP) requirements, this paper presents a bi-focal vision UGS concept. It couples 4 low-resolution CMOS sensors with small, light and high aperture optics for providing the equivalent of a 17 Mega Pixels single-sensor with 130^◦ FOV.

Citation Download Citation

Nicolas Hueber, Alexander Pichler, Christophe Hennequin, Philippe Voisin, Pierre Raymond, Louise Sarrabezolles, and Lucas Didier "Bi-focal unattended ground sensor concept for high resolution and wide field-of-view real-time situational awareness", Proc. SPIE 11163, Emerging Imaging and Sensing Technologies for Security and Defence IV, 111630F (16 October 2019); https://doi.org/10.1117/12.2536654

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KEYWORDS

Cameras

Unattended ground sensors

Image processing

Object recognition

Prototyping

Target recognition

Situational awareness sensors

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