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Leveraging Real Talking Faces via Self-Supervision for Robust Forgery Detection

CVPR 2022 · Video › Video segmentation and tracking · approach: Deepfake video detection · 166 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use the two-stage method rather than training CSN on forgery data alone (ablation)RealForensics · FaceShifter and DeeperForensicsaccuracy: 82.1 -> 97.1; 83.1 -> 97.1Helped
Add stage 2 auxiliary video-target prediction to finetuning (ablation)RealForensics · FaceShifter and DeeperForensicsaccuracy: 95.0 -> 97.1; 95.2 -> 97.1Helped
Use logit adjustment (ablation)RealForensics · FaceShifter and DeeperForensicsaccuracy: 95.7 -> 97.1; 96.4 -> 97.1Helped
Use time masking (ablation)RealForensics · FaceShifter and DeeperForensicsaccuracy: 96.1 -> 97.1; 95.9 -> 97.1Helped
Use random erasing (ablation)RealForensics · FaceShifter and DeeperForensicsaccuracy: 96.3 -> 97.1; 96.3 -> 97.1Helped
Use dense rather than global representations (ablation)RealForensics stage 1 · FaceShifter and DeeperForensicsaccuracy: 87.9 -> 97.1; 89.1 -> 97.1Helped
Omit negatives in dense representation learning (ablation)RealForensics stage 1 · FaceShifter and DeeperForensicsaccuracy: 96.4 -> 97.1; 96.8 -> 97.1Helped
Add a predictor to non-contrastive representation learning (ablation)RealForensics stage 1 · FaceShifter and DeeperForensicsaccuracyMixed
Use the full face rather than mouth crops (ablation)RealForensics · FaceShifter and DeeperForensicsaccuracy: 95.5 -> 97.1; 95.0 -> 97.1Helped
Use audiovisual rather than visual-only representation learning (ablation)RealForensics stage 1 · FaceShifter and DeeperForensicsaccuracy: 92.9 -> 97.1; 89.7 -> 97.1Helped
Use a transformer rather than an MLP predictor (ablation)RealForensics stage 1 · FaceShifter and DeeperForensicsaccuracy: 91.8 -> 97.1; 92.9 -> 97.1Helped
Train with longer video clips (ablation)RealForensics · FaceShifter and DeeperForensicsaccuracy: FaceShifter: 87.9 (5 frames) -> 97.1 (25 frames), 96.7 (30 frames); DeeperForensics: 88.2 (5 frames) -> 97.4 (30 frames)Mixed

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