Research Article
[Retracted] Cryptospace Invertible Steganography with Conditional Generative Adversarial Networks
Figure 16
Average percentages of regular (dark blue), singular (light blue), and indeterminate (grey) blocks by spatial, spectral, and structural analyses with respect to different block sizes. (a) Spatial2. (b) Spatial4. (c) Spatial8. (d) Spatial16. (e) Spatial32. (f) Spectral2. (g) Spectral4. (h) Spectral8. (i) Spectral16. (j) Spectral32. (k) Structural2. (l) Structural4. (m) Structural8. (n) Structural16. (o) Structural32.
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |
| (g) |
| (h) |
| (i) |
| (j) |
| (k) |
| (l) |
| (m) |
| (n) |
| (o) |