Table 1 Comparisons of hiding capacities
From: A coverless steganography method based on generative adversarial network
Methods | Absolute capacity | Image size | Relative capacity |
|---|---|---|---|
(bytes/image) | (bytes/pixel) | ||
Xu’s work[34] | 64x64 | 800x800 | 6.40e −3 |
Zhou’s work[35] | 3.72 | ≥ 512x512 | 8.58e −6 |
Zhang’s work[36] | 18.3 ∼135.4 | 64x64 | 1.49e −3∼1.10e −2 |
Zhou’s work[37] | 1.125 | 512x512 | 4.29e −6 |
Otori’s work[38] | 25 ∼100 | 480x640 | 8.14e −5∼3.26e −4 |
Ours | 256 x256 | 256 x256 | 1 |