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AltFreezing for More General Video Face Forgery Detection

CVPR 2023 · Video › Video segmentation and tracking · approach: Deepfake video detection · 126 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Apply AltFreezing rather than end-to-end 3D R50 training (ablation)3D R50 · CelebDF v2video-level AUC (%): 81.8 -> 86.4Helped
Apply AltFreezing rather than end-to-end 3D R50 training (ablation)3D R50 · Temporal Setvideo-level AUC (%): 76.5 -> 80.6Helped
Apply AltFreezing rather than end-to-end 3D R50 training (ablation)3D R50 · Spatial Setvideo-level AUC (%): 71.5 -> 84.5Helped
Freeze spatial kernels throughout training instead of alternating freezes (ablation)3D R50 · CelebDF v2video-level AUC (%): 81.8 -> 76.8Hurt
Freeze temporal kernels throughout training instead of alternating freezes (ablation)3D R50 · CelebDF v2video-level AUC (%): 81.8 -> 80.6Hurt
Set spatial-to-temporal freezing ratio to 20:1 rather than end-to-end training (ablation)3D R50 · CelebDF v2video-level AUC (%): 81.8 -> 86.4Helped
Use video-level fake clip augmentation instead of no proposed augmentation (ablation)AltFreezing · CelebDF v2video-level AUC (%): 86.4 -> 89.5Helped
Use image-level blending rather than video-level augmentation (ablation)AltFreezing · CelebDF v2video-level AUC (%): 89.5 -> 78.6Hurt
Add temporal dropout and repeat augmentations without clip-level blending (ablation)AltFreezing · DFDvideo-level AUC (%): 97.6 -> 98.8Helped
Add temporal dropout and repeat augmentations without clip-level blending (ablation)AltFreezing · CelebDF v2video-level AUC (%): 86.4 -> 84.5Hurt
Add clip-level blending to temporal augmentations (ablation)AltFreezing · CelebDF v2video-level AUC (%): 84.5 -> 89.5Helped
Use 3D R101 instead of 3D R50 backbone (ablation)AltFreezing · CelebDF v2video-level AUC (%): 89.5 -> 90.4Helped

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