Holographic radar imaging privacy techniques utilizing dual-frequency implementation

Douglas L. McMakin; Thomas E. Hall; David M. Sheen

doi:10.1117/12.777412

16 April 2008 Holographic radar imaging privacy techniques utilizing dual-frequency implementation

Douglas L. McMakin, Thomas E. Hall, David M. Sheen

Proceedings Volume 6943, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense VII; 69430P (2008) https://doi.org/10.1117/12.777412
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

Over the last 15 years, the Pacific Northwest National Laboratory has performed significant research and development activities to enhance the state of the art of holographic radar imaging systems to be used at security checkpoints for screening people for concealed threats hidden under their garments. These enhancement activities included improvements to privacy techniques to remove human features and providing automatic detection of body-worn concealed threats. The enhanced privacy and detection methods used both physical and software imaging techniques. The physical imaging techniques included polarization-diversity illumination and reception, dual-frequency implementation, and high-frequency imaging at 60 GHz. Software imaging techniques to enhance the privacy of the person under surveillance included extracting concealed threat artifacts from the imagery to automatically detect the threat. This paper will focus on physical privacy techniques using dual-frequency implementation.

Citation Download Citation

Douglas L. McMakin, Thomas E. Hall, and David M. Sheen "Holographic radar imaging privacy techniques utilizing dual-frequency implementation", Proc. SPIE 6943, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense VII, 69430P (16 April 2008); https://doi.org/10.1117/12.777412

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