Research Article
Detecting Steganography of Adaptive Multirate Speech with Unknown Embedding Rate
Table 3
Statistical results of accuracies for detecting Geiser’s method.
| | Embedding rate | GC-M | GC-U | DST | SCs | Difference between DST and other schemes | | GC-M | GC-U | SCs |
| | 10% | 56.57% | 56.96% | 54.57% | 57.04% | −2.00% | −2.39% | −2.46% | | 20% | 65.18% | 67.75% | 62.75% | 69.75% | −2.43% | −5.00% | −7.00% | | 30% | 72.86% | 77.32% | 72.61% | 76.71% | −0.25% | −4.71% | −4.11% | | 40% | 79.39% | 85.86% | 83.46% | 85.14% | 4.07% | −2.39% | −1.68% | | 50% | 83.25% | 90.82% | 91.46% | 91.68% | 8.21% | 0.64% | −0.21% | | 60% | 85.46% | 93.04% | 95.46% | 95.36% | 10.00% | 2.43% | 0.11% | | 70% | 86.39% | 93.29% | 96.89% | 97.68% | 10.50% | 3.61% | −0.79% | | 80% | 86.61% | 93.93% | 97.29% | 98.61% | 10.68% | 3.36% | −1.32% | | 90% | 86.79% | 93.50% | 97.00% | 99.25% | 10.21% | 3.50% | −2.25% | | 100% | 87.14% | 93.64% | 97.29% | 99.64% | 10.14% | 3.64% | −2.36% |
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