Table 4 A performance comparison with some existing techniques.
From: An enhanced adaptive image steganography method using block skin-maps and the integer S-transform
Method | Approach | Cover/Stego PSNR (db) | Secret/Retrieved Similarity (%) | Hiding capacity (bpp) |
|---|---|---|---|---|
SBM, 201422, 2014 | DWT (4 × 4 block) | 46.17 | 89.37 | 0.014 |
Chaotic map9, 2017 | IWT | 31.15 | 92.12 | 18.21 |
CF-DWT-QTAR11, 2018 | DCT (128 × 128 block) | 34.23 | 97.52 | 19.54 |
Kirsch edge12, 2021 | Pixel | 34.33 | 96.19 | 2.97 |
FrRnWT10, 2021 | Fractional Random Wavelet Transform (3rd Level, p = 0.05) | 40.07 | - - | 0.125 |
2-bit LSB fusing7, 2021 | DWT | 37.78 | 100 | 0.25 |
ESBM13, 2022 | IWT | 44.41 | 92.61 | 0.013 |
InvMIHNet14, 2023 | Neural Network & DWT | 36.86 | 93.10 | - - |
hiESBM | S-Transform (8 × 8 block, RGB) | 46.85 | 99.9 | 2.307 |
