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Proceedings Paper

High-resolution printed amino acid traces: a first-feature extraction approach for fingerprint forgery detection
Author(s): Mario Hildebrandt; Stefan Kiltz; Jennifer Sturm; Jana Dittmann; Claus Vielhauer
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Paper Abstract

Fingerprints are used for the identification of individuals for over a century in crime scene forensics. Here, often physical or chemical preprocessing techniques are used to render a latent fingerprint visible. For quality assurance purposes of those development techniques, Schwarz1 introduces a technique for the reproducible generation of latent fingerprints using ink-jet printers and artificial amino acid sweat. However, this technique allows for printing latent fingerprints at crime scenes to leave false traces, too. Hence, Kiltz et al.2 introduce a first framework for the detection of printed fingerprints. However, the utilized printers have a maximum resolution of 2400×1200 dpi. In this paper, we use a Canon PIXMA iP46003 printer with a much higher resolution of 9600×400 dpi, which does not produce the kind of visible dot patterns reported in Kiltz et al.2 We show that an acquisition with a resolution of 12700 to 25400 ppi is necessary to extract microstuctures, which perspectively allows for an automated detection of printed fingerprint traces fabricated with high-resolution printers. Using our first test set with 20 printed and 20 real, natural fingerprint patterns from the human the evaluation results indicate a very positive tendency towards the detectability of such traces using the method proposed in this paper.

Paper Details

Date Published: 9 February 2012
PDF: 11 pages
Proc. SPIE 8303, Media Watermarking, Security, and Forensics 2012, 83030J (9 February 2012); doi: 10.1117/12.909072
Show Author Affiliations
Mario Hildebrandt, Otto-von-Guericke-Univ. Magdeburg (Germany)
Stefan Kiltz, Otto-von-Guericke-Univ. Magdeburg (Germany)
Jennifer Sturm, Brandenburg Univ. of Applied Sciences (Germany)
Jana Dittmann, Otto-von-Guericke-Univ. Magdeburg (Germany)
Claus Vielhauer, Brandenburg Univ. of Applied Sciences (Germany)


Published in SPIE Proceedings Vol. 8303:
Media Watermarking, Security, and Forensics 2012
Nasir D. Memon; Adnan M. Alattar; Edward J. Delp III, Editor(s)

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