Table 2.
Recorded signal quality metrics of the watermarked RPS with the proposed diagonal-based DMpDP for different numbers of DPs
| SNR | LLR | SD | |
|---|---|---|---|
| Time-domain-based SVD watermarking | |||
| 12 DPs | 58.61655 | 0.275378 | 0.023611 |
| 20 DPs | 56.4011 | 0.041035 | 0.030124 |
| DST-based SVD watermarking | |||
| 12 DPs | 98.99601 | 1.64E-05 | 0.000224 |
| 20 DPs | 96.77794 | 2.9E-05 | 0.00029 |
| DCT-based SVD watermarking | |||
| 12 DPs | 58.59556 | 0.001906 | 0.023387 |
| 20 DPs | 56.37572 | 0.001892 | 0.030284 |
| DWT-based SVD watermarking | |||
| 12 DPs | 58.58598 | 0.001273 | 0.023511 |
| 20 DPs | 56.38102 | 0.027946 | 0.030749 |