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Table 5 Robustness(%) with respect to the different number of feature block in Caltech-101

From: Coverless image steganography based on DenseNet feature mapping

Attack Parameter (D=9, N=8) (D=13,N=8) (D=16, N=8) (D=20, N=8)
Compression Q(10) 80.59 54.93 45.66 46.15
Gauss Noise σ(0.001) 92.10 76.29 66.24 63.12
Gauss filtering (3×3) 95.32 83.41 81.27 76.78
Scaling 3 99.12 97.66 96.20 96.88
C-H-E 81.27 49.95 36.68 38.63
Gramma 0.6 89.85 70.93 52.00 63.32
Centered cropping 20% 72.88 47.71 32.88 39.51
Edge cropping 20% 76.98 60.49 35.51 36.10
Rotation 20 71.02 20.59 17.66 19.90
Translation (45,30) 75.02 56.39 38.34 39.71