Text Watermark Detection on Gemma-7B Post-paraphrasing human-authored texts
84TPR @ 1% FPRTS
Evaluation Results
| Method | Links | ||
|---|---|---|---|
| TSToken Embedding Space=Gemma-7B2026.06 | 84 | 94.2 | |
| X-SIRToken Embedding Space=Gemma-7B2026.06 | 70.8 | 86.6 | |
| DEWk (context window)=3, lambda (strength)=2.0, Token Embedding Space=Gemma-7B2026.06 | 65.4 | 83 | |
| DEWk (context window)=5, lambda (strength)=2.0, Token Embedding Space=Gemma-7B2026.06 | 63.2 | 84.6 | |
| SIRToken Embedding Space=Gemma-7B2026.06 | 52.8 | 78.2 | |
| DEWk (context window)=5, lambda (strength)=1.5, Token Embedding Space=Gemma-7B2026.06 | 46.8 | 70.6 | |
| DEWk (context window)=3, lambda (strength)=1.5, Token Embedding Space=Gemma-7B2026.06 | 43.8 | 66.6 | |
| DEWk (context window)=3, lambda (strength)=2.0, Token Embedding Space=Llama-3.2-3B2026.06 | 16 | 36 | |
| DEWk (context window)=3, lambda (strength)=1.5, Token Embedding Space=Llama-3.2-3B2026.06 | 14.4 | 32.8 | |
| DEWk (context window)=5, lambda (strength)=2.0, Token Embedding Space=Llama-3.2-3B2026.06 | 6.8 | 29.4 | |
| DEWk (context window)=5, lambda (strength)=1.5, Token Embedding Space=Llama-3.2-3B2026.06 | 6.2 | 30.8 |