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Computer-Aided Contact-Less Localization of Latent Fingerprints in Low-Resolution CWL Scans

  • In forensic investigations, the recovering of latent fingerprints is one of the most essential issues. Driven by human experts, today this process is very time consuming. An automation of both examination of suspicious areas and acquisition of fingerprints lead on the one hand to the covering of larger surfaces and on the other hand to significant speed up of the evidence collection. This work presents an experimental study on capabilities of chromatic white-light sensor (CWL) regarding theIn forensic investigations, the recovering of latent fingerprints is one of the most essential issues. Driven by human experts, today this process is very time consuming. An automation of both examination of suspicious areas and acquisition of fingerprints lead on the one hand to the covering of larger surfaces and on the other hand to significant speed up of the evidence collection. This work presents an experimental study on capabilities of chromatic white-light sensor (CWL) regarding the contact-less localization of latent fingerprints on differently challenging substrates. The fully automatic CWL-based system is implemented from the acquisition through the feature extraction right up to the classification. The key objective of the work is to develop a methodological approach for the quantitative evaluation of the localization success. Based on the proposed performance measures, the optimal system parameters such as scan resolution, extracted features and classification scheme are specified dependent on the surface material. Our experiments from an actual project with the sensor industry partner show convincing localization performance on easy-to-localize and adequate performance on moderate-to-localize substrates. The hard-to-localize substrates require further improvements of the localization system.show moreshow less

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Metadaten
Author:Robert Fischer, Stefan Gruhn, Tobias Kiertscher, Claus VielhauerGND, Andrey Makrushin, Jana Dittmann
DOI:https://doi.org/10.1007/978-3-642-32805-3_7
Parent Title (English):In: Communications and Multimedia Security: 13th IFIP TC 6/TC 11 International Conference, CMS 2012, Canterbury, UK, September 3-5, 2012. Proceedings. De Decker, Bart (Ed.); Chadwick, David W. (Ed) [Lecture Notes in Compute Science. 7394. – ISSN 0302-9743]. Berlin: Springer, 2012. – ISBN 978-3-642-32804-6.
Document Type:Conference Proceeding
Language:English
Year of Publishing:2012
Date of Publication (online):2012/11/28
Release Date:2012/11/28
Tag:CWL sensor; Forensics; automated localization; contact-less acquisition; latent fingerprints
First Page:89
Last Page:98
Institutes:Fachbereich Informatik und Medien
Dewey Decimal Classification:Informatik, Informationswissenschaft, allgemeine Werke / Informatik, Wissen, Systeme / Computerprogrammierung, Programme, Daten
University Bibliography:Hochschulbibliografie
Licence (German):Creative Commons - Namensnennung, Nicht kommerziell, Keine Bearbeitung
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