Table 1 Content-preserving manipulations and parameter settings.
From: An Extended Image Hashing Concept: Content-Based Fingerprinting Using FJLT
Manipulation | Parameters Setting | Number |
|---|---|---|
Additive noise | Â | Â |
Gaussian noise | Sigma: | 10 |
Salt and Pepper noise | Sigma: | 10 |
Speckle noise | Sigma: | 10 |
Blurring | Â | Â |
Gaussian blurring | Filter size: | 10 |
Circular blurring | Radius: | 10 |
Motion blurring | Len | 9 |
Geometric attacks | Â | Â |
Rotation | Degree | 9 |
Cropping | 5%, 10%, 20%, 25%, 30%, 35% | 6 |
Scaling | 25%, 50%, 75%, 150%, 200% | 5 |
JPEG compression | Quality factor | 10 |
Gamma correction |
| 10 |
, Sigma 
, 
