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Proceedings Paper

Spectral unmixing of agents on surfaces for the Joint Contaminated Surface Detector (JCSD)
Author(s): Mohamed-Adel Slamani; Thomas H. Chyba; Howard LaValley; Darren Emge
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Paper Abstract

ITT Corporation, Advanced Engineering and Sciences Division, is currently developing the Joint Contaminated Surface Detector (JCSD) technology under an Advanced Concept Technology Demonstration (ACTD) managed jointly by the U.S. Army Research, Development, and Engineering Command (RDECOM) and the Joint Project Manager for Nuclear, Biological, and Chemical Contamination Avoidance for incorporation on the Army's future reconnaissance vehicles. This paper describes the design of the chemical agent identification (ID) algorithm associated with JCSD. The algorithm detects target chemicals mixed with surface and interferent signatures. Simulated data sets were generated from real instrument measurements to support a matrix of parameters based on a Design Of Experiments approach (DOE). Decisions based on receiver operating characteristics (ROC) curves and area-under-the-curve (AUC) measures were used to down-select between several ID algorithms. Results from top performing algorithms were then combined via a fusion approach to converge towards optimum rates of detections and false alarms. This paper describes the process associated with the algorithm design and provides an illustrating example.

Paper Details

Date Published: 21 September 2007
PDF: 9 pages
Proc. SPIE 6699, Signal and Data Processing of Small Targets 2007, 66991B (21 September 2007); doi: 10.1117/12.731496
Show Author Affiliations
Mohamed-Adel Slamani, ITT Corp. (United States)
Thomas H. Chyba, ITT Corp. (United States)
Howard LaValley, ITT Corp. (United States)
Darren Emge, U.S. Army Edgewood Chemical Biological Ctr. (United States)


Published in SPIE Proceedings Vol. 6699:
Signal and Data Processing of Small Targets 2007
Oliver E. Drummond; Richard D. Teichgraeber, Editor(s)

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