Table 4 Statistics of the measured SNRs and MOS-LQO scores. The data in the second and third columns are interpreted as “mean [±standard deviation].” The payload capacity for each method is listed in the last column
Watermarking method | SNR [dB] | MOS-LQO | Payload (bps) |
|---|---|---|---|
DWT-SVD | 21.844 [±0.888] | 3.260 [±0.108] | 200 |
LWT-DCT-SVD | 21.985 [±0.910] | 3.209 [±0.119] | 200 |
DWT-AMM | 21.932 [±0.210] | 3.254 [±0.212] | 200 |
DWT-AMMa (3) | 22.872 [±0.350] | 4.006 [±0.110] | 100 |
DWT-AMMd (3) | 30.611 [±1.112] | 4.238 [±0.045] | 100 |