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Table 5 The results under other signal processing attacks

From: Adaptive reversible image watermarking algorithm based on IWT and level set

Attack type

Lena

Attack type

Lena

Original image

79.46

Salt and pepper noise (0.03)

79.85

Shear 10%

79.62

Gaussian noise (0.03)

79.76

Shear 20%

80.11

JPEG Q = 30

78.43

Gaussian filter (3 × 3, σ = 0.5)

78.44

JPEG Q = 50

79.84

4 × 4 median filtering

78.87

3 × 3 median filtering

78.16

Radius R

80

Radius R

80

  1. Note: “Shear 10%” in Table 5 refers to the new image from the left side of the image to cut 10%. “Shear 20%” in Table 5 refers to the new image from the left side and the top of the image to cut 10%