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Proceedings Article

Terahertz imaging system performance model for concealed weapon identification

[+] Author Affiliations
Steven R. Murrill

Army Research Lab.

Eddie L. Jacobs, Steven K. Moyer

U.S. Army Night Vision and Electronic Sensors Directorate

Carl E. Halford, Steven T. Griffin

Univ. of Memphis

Frank C. De Lucia

Ohio State Univ.

Douglas T. Petkie

Wright State Univ.

Charmaine C. Franck

Science Applications International Corp.

Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 59891E (November 07, 2005); doi:10.1117/12.630877
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From Conference Volume 5989

  • Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II
  • David H. Titterton; Sean M. Kirkpatrick; Razvan Stoian; Roger Appleby; J. Martyn Chamberlain; Keith A. Krapels
  • Bruges, Belgium | September 26, 2005

abstract

The U.S. Army Night Vision and Electronic Sensors Directorate and the U.S. Army Research Laboratory have developed a terahertz-band imaging system performance model for detection and identification of concealed weaponry. The MATLAB-based model accounts for the effects of all critical sensor and display components, and for the effects of atmospheric attenuation, concealment material attenuation, and active illumination. The model is based on recent U.S. Army NVESD sensor performance models that couple system design parameters to observer-sensor field performance using the acquire methodology for weapon identification performance predictions. This THz model has been developed in support of the Defense Advanced Research Project Agencies' Terahertz Imaging Focal-Plane-Array Technology (TIFT) program and is presently being used to guide the design and development of a 0.650 THz active/passive imaging system. This paper will describe the THz model in detail, provide and discuss initial modeling results for a prototype THz imaging system, and outline plans to validate and calibrate the model through human perception testing.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Steven R. Murrill ; Eddie L. Jacobs ; Steven K. Moyer ; Carl E. Halford ; Steven T. Griffin, et al.
"Terahertz imaging system performance model for concealed weapon identification", Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 59891E (November 07, 2005); doi:10.1117/12.630877; http://dx.doi.org/10.1117/12.630877


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