| Digital Audio Watermarking Algorithm Based on Quantizing Coefficients | 1 | 0.40 | 2006 |
| A Robust Watermarking Algorithm Adopting Double Embedding | 1 | 0.36 | 2006 |
| A Novel Watermarking Scheme in Contourlet Domain Based on Independent Component Analysis | 5 | 0.57 | 2006 |
