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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 on theme: "A further study to investigate the detection and enhancement of latent fingerprints using visible absorption and luminescence chemical imaging  Gemma."— Presentation transcript:

1 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 (May 2005) DOI: /j.forsciint Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

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

3 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  , 33-51DOI: ( /j.forsciint ) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

4 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  , 33-51DOI: ( /j.forsciint ) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

5 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  , 33-51DOI: ( /j.forsciint ) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

6 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  , 33-51DOI: ( /j.forsciint ) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

7 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  , 33-51DOI: ( /j.forsciint ) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

8 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  , 33-51DOI: ( /j.forsciint ) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

9 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  , 33-51DOI: ( /j.forsciint ) Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

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

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

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

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

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

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

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

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