Python variance-based fingerprint-copy attack

Python implementation of the PRNU extraction methods described in Barni et al. [1], PRNU detection based on PCE, and the Triangle Test as described in Goljan et al. [2].

Test

python test from the repository root.

Credits

This repository uses the PRNU extraction code implemented in https://github.com/polimi-ispl/prnu-python, that is a python port of the MATLAB implementation by Binghamton University.

[1] M. Barni, M. Nakano-Miyatake, H. Santoyo-Garcìa, and B. Tondi, "Countering the Pooled Triangle Test for PRNU-based camera identification."
[2] M. Goljan, J. Fridrich, and M. Chen, "Defending Against Fingerprint-Copy Attack in Sensor-Based Camera Identification."