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Proceedings Article

Large scale test of sensor fingerprint camera identification

[+] Author Affiliations
Miroslav Goljan, Jessica Fridrich, Tomáš Filler

Binghamton Univ., SUNY (USA)

Proc. SPIE 7254, Media Forensics and Security, 72540I (February 04, 2009); doi:10.1117/12.805701
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From Conference Volume 7254

  • Media Forensics and Security
  • Edward J. Delp III; Jana Dittmann; Nasir D. Memon; Ping Wah Wong
  • San Jose, CA | January 18, 2009

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.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Miroslav Goljan ; Jessica Fridrich and Tomáš Filler
"Large scale test of sensor fingerprint camera identification", Proc. SPIE 7254, Media Forensics and Security, 72540I (February 04, 2009); doi:10.1117/12.805701; http://dx.doi.org/10.1117/12.805701


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