ResearchBenchmarksWatermark Extraction on SD2.1 (Adversarial)Watermark Extraction on SD2.1 (Adversarial)Follow97.58Bit AccuracyOSI62.594471.677280.7689.8428Feb 10, 2026Evaluation resultsMethodMethodLinksBit AccuracySuccess Rate (256x256)Success Rate (512x512)Success Rate (1024x1024)Success Rate (2048x2048)Success Rate (4096x4096)OSIf_hw=8f_hw=82026.0297.58—————GSf_hw=8f_hw=82026.0296.47—————OSIf_hw=4f_hw=42026.0288.04—————GSf_hw=4f_hw=42026.0285.85—————OSIf_hw=2f_hw=22026.0271.88—————GSf_hw=2f_hw=22026.0270.03—————OSIf_hw=1f_hw=12026.0264.83—————GSf_hw=1f_hw=12026.0263.94—————OSI2026.02—99.9199.898.8494.0789.43T2S2026.02—99.0997.5693.8786.3579.93