28 April 2010 Trace explosive detection in fingerprints with Raman chemical imaging
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Abstract
Wide-field Raman chemical imaging (RCI) has been used to detect and identify the presence of trace explosives in contaminated fingerprints. A background subtraction routine was developed to minimize the Raman spectral features produced by surfaces on which the fingerprint was examined. The Raman image was analyzed with a spectral angle mapping routine to detect and identify the explosives. This study shows the potential capability to identify explosives non-destructively so that the fingerprint remains intact for further biometric analysis.
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Ashish Tripathi, Erik D. Emmons, Jason A. Guicheteau, Steven D. Christesen, Phillip G. Wilcox, Darren K. Emge, Augustus W. Fountain, "Trace explosive detection in fingerprints with Raman chemical imaging", Proc. SPIE 7665, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XI, 76650N (28 April 2010); doi: 10.1117/12.865769; https://doi.org/10.1117/12.865769
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