A further study to investigate the detection and enhancement of latent fingerprints using visible absorption and luminescence chemical imaging Gemma.

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Presentation transcript:

A further study to investigate the detection and enhancement of latent fingerprints using visible absorption and luminescence chemical imaging Gemma Payne, Brian Reedy, Chris Lennard, Bruce Comber, David Exline, Claude Roux Forensic Science International Volume 150, Issue 1, Pages 33-51 (May 2005) DOI: 10.1016/j.forsciint.2004.06.036 Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 1 Different images at selected wavelengths and the spectrum of the highlighted pixel [4]. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 2 Fresh print (right index) from the good donor on yellow paper that was not treated before examination. Left and Middle: Chemical imaging using different processing techniques; right: conventional technique. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 3 Print (right ring) from the good donor on white paper, aged for 2 months and treated with DFO. Left: Chemical imaging; right: conventional technique. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 4 Print (right index) from the poor donor on newspaper with text, aged for 2 months and treated with DFO. Left: Chemical imaging; right: conventional technique. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 5 Print (right index) from the good donor on newspaper with picture, aged for 2 months and treated with DFO. Left and middle: Chemical imaging using different processing techniques; right: conventional technique. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 6 Print (right index) from the poor donor on white paper, aged for 2 months and treated with ninhydrin. Left and middle: Chemical imaging using different processing techniques; right: conventional technique. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 7 Print (right middle) from the poor donor on newspaper with text, aged for 2 months and treated with Ninhydrin. Left and middle: Chemical imaging using different processing techniques; right: conventional technique. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 8 Print (right index) from the poor donor on a zip-lock bag, aged for 2 months and treated with cyanoacrylate. Left and middle: Chemical imaging using different processing techniques; right: conventional technique. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 9 Chemical imaging enhanced print (Fig. 6, left) compared to the donor's inked impression (right). Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 10 Recommended procedure: yellow paper, untreated. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 11 Recommended procedure: white paper, treated with DFO. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 12 Recommended procedure: newspaper, treated with DFO. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 13 Recommended procedure: white paper, treated with ninhydrin. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 14 Recommended procedure: newspaper, treated with ninhydrin. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

Fig. 15 Recommended procedure: zip-lock bag, treated with cyanoacrylate. Forensic Science International 2005 150, 33-51DOI: (10.1016/j.forsciint.2004.06.036) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions