24/7 security system: 60-FPS color EMCCD camera with integral human recognition

T. L. Vogelsong; T. E. Boult; D. W. Gardner; R. Woodworth; R. C. Johnson; B. Heflin

doi:10.1117/12.719690

4 May 2007 24/7 security system: 60-FPS color EMCCD camera with integral human recognition

T. L. Vogelsong, T. E. Boult, D. W. Gardner, R. Woodworth, R. C. Johnson, B. Heflin

Proceedings Volume 6538, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense VI; 65381S (2007) https://doi.org/10.1117/12.719690
Event: Defense and Security Symposium, 2007, Orlando, Florida, United States

Abstract

An advanced surveillance/security system is being developed for unattended 24/7 image acquisition and automated detection, discrimination, and tracking of humans and vehicles. The low-light video camera incorporates an electron multiplying CCD sensor with a programmable on-chip gain of up to 1000:1, providing effective noise levels of less than 1 electron. The EMCCD camera operates in full color mode under sunlit and moonlit conditions, and monochrome under quarter-moonlight to overcast starlight illumination. Sixty frame per second operation and progressive scanning minimizes motion artifacts. The acquired image sequences are processed with FPGA-compatible real-time algorithms, to detect/localize/track targets and reject non-targets due to clutter under a broad range of illumination conditions and viewing angles. The object detectors that are used are trained from actual image data. Detectors have been developed and demonstrated for faces, upright humans, crawling humans, large animals, cars and trucks. Detection and tracking of targets too small for template-based detection is achieved. For face and vehicle targets the results of the detection are passed to secondary processing to extract recognition templates, which are then compared with a database for identification. When combined with pan-tilt-zoom (PTZ) optics, the resulting system provides a reliable wide-area 24/7 surveillance system that avoids the high life-cycle cost of infrared cameras and image intensifiers.

Citation Download Citation

T. L. Vogelsong, T. E. Boult, D. W. Gardner, R. Woodworth, R. C. Johnson, and B. Heflin "24/7 security system: 60-FPS color EMCCD camera with integral human recognition", Proc. SPIE 6538, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense VI, 65381S (4 May 2007); https://doi.org/10.1117/12.719690

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