Large scale test of sensor fingerprint camera identification

Miroslav Goljan; Jessica Fridrich; Tomáš Filler

doi:10.1117/12.805701

4 February 2009 Large scale test of sensor fingerprint camera identification

Miroslav Goljan; Jessica Fridrich; Tomáš Filler

Author Affiliations +

Proceedings Volume 7254, Media Forensics and Security; 72540I (2009) https://doi.org/10.1117/12.805701
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

This paper presents a large scale test of camera identification from sensor fingerprints. To overcome the problem of acquiring a large number of cameras and taking the images, we utilized Flickr, an existing on-line image sharing site. In our experiment, we tested over one million images spanning 6896 individual cameras covering 150 models. The gathered data provides practical estimates of false acceptance and false rejection rates, giving us the opportunity to compare the experimental data with theoretical estimates. We also test images against a database of fingerprints, simulating thus the situation when a forensic analyst wants to find if a given image belongs to a database of already known cameras. The experimental results set a lower bound on the performance and reveal several interesting new facts about camera fingerprints and their impact on error analysis in practice. We believe that this study will be a valuable reference for forensic investigators in their effort to use this method in court.

Citation Download Citation

Miroslav Goljan, Jessica Fridrich, Tomáš Filler, "Large scale test of sensor fingerprint camera identification", Proc. SPIE 7254, Media Forensics and Security, 72540I (4 February 2009); doi: 10.1117/12.805701; https://doi.org/10.1117/12.805701

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