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Table 2 Lower bound (6) for flat-field images with and without the image in Fig. 2(Left)

From: On the information leakage quantification of camera fingerprint estimates

50brt 50drk 49brt+berry 49drk+berry
0.8006 0.4399 0.8074 0.5290
  1. The term drk stands for dark cardboard images, while brt refers to bright cardboard images. The image in Fig. 2(Left) is indicated as berry. As seen, leakage is larger for darker images, as predicted by the multiplicative model of the PRNU (5)