Table 1 Parameter specifications for each manipulation type
From: Printing and scanning investigation for image counter forensics
Manipulation | Hyperparameters |
|---|---|
Additive White Gaussian Noise (AWGN) | \(\sigma\) = 2.0 |
Gaussian blurring (GB) | Kernal size = (5,5) \(\sigma\) = 1.1 |
JPEG compression (JPEG) | Quality = 70 |
Median filtering (MF) | Kernal size = (5,5) |
Pristine (PR) | None |
Bilinear resampling (RS) | Ratio = 1.5 |