Table 1 HVS masking effect
From: Adaptive reversible image watermarking algorithm based on IWT and level set
Texture masking effect | Luminance masking effect | Number of embedded watermark |
|---|---|---|
Texture smoothing block | Low gray block | 3 |
Texture smoothing block | Middle gray block | 2 |
Texture smoothing block | High gray block | 3 |
Medium complex block | Low gray block | 4 |
Medium complex block | Middle gray block | 3 |
Medium complex block | High gray block | 4 |
Texture complex block | Low gray block | 5 |
Texture complex block | Middle gray block | 4 |
Texture complex block | High gray block | 5 |