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Defending Against Universal Attacks Through Selective Feature Regeneration

CVPR 2020 · Adversarial robustness and security › Attacks on text and graphs · approach: Defenses against universal perturbations · 43 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Apply selective feature regeneration to the baseline networkCaffeNet, VGG-F, GoogLeNet, VGG-16, and Res152 · ILSVRC2012, ℓ∞ UAP ξ=10restoration accuracy: 0.596 -> 0.976 (CaffeNet); 0.628 -> 0.967 (VGG-F); 0.691 -> 0.970 (GoogLeNet); 0.681 -> 0.963 (VGG-16); 0.670 -> 0.982 (Helped
Train on ℓ∞ UAP examples and evaluate against an ℓ2 UAPSelective feature regeneration · ILSVRC2012, ℓ2 UAP ξ=2000restoration accuracy: CaffeNet: 0.677 -> 0.964; VGG-F: 0.671 -> 0.961; GoogLeNet: 0.682 -> 0.912; VGG-16: 0.697 -> 0.876; Res152: 0.709 -> 0.9Mixed
Train at ξ=10 and evaluate against stronger ξ=25 perturbationsCaffeNet defense · ILSVRC2012, ℓ∞ UAP ξ=25restoration accuracy: 0.519 -> 0.854Helped
Train on UAP examples and evaluate on unseen universal attack typesSelective feature regeneration · ILSVRC2012, FFF, NAG, S.Fool, GAP, G-UAP, and sPGDrestoration accuracy: FFF: 0.645 -> 0.941; NAG: 0.670 -> 0.840; S.Fool: 0.815 -> 0.914; GAP: 0.640 -> 0.922; G-UAP: 0.726 -> 0.914; sPGD: 0.67Helped
Use the defended model against a white-box sPGD attackRes152 · ILSVRC2012, white-box ℓ∞ sPGDtop-1 accuracy: 0.270 -> 0.731Helped
Mask adversarial noise in the top 50% most vulnerable activations (ablation)CaffeNet, GoogLeNet, and VGG-16 · ImageNet training subset, ℓ∞ UAPtop-1 accuracy: CaffeNet: 0.10 -> 0.56; GoogLeNet: 0.25 -> 0.68; VGG-16: 0.25 -> 0.67Helped
Use only 2 feature regeneration units instead of 6 (ablation)GoogLeNet · ILSVRC2012, ℓ∞ UAPrestoration accuracy: 97%Helped
Increase feature regeneration units beyond 2 (ablation)GoogLeNet · ILSVRC2012, ℓ∞ UAPrestoration accuracyNo clear effect
Use only 2 feature regeneration units instead of 6 (ablation)VGG-16 · ILSVRC2012, ℓ∞ UAPrestoration accuracy: 91%Hurt
Increase feature regeneration units from 2 to 6 (ablation)VGG-16 · ILSVRC2012, ℓ∞ UAPrestoration accuracy: 91% -> 96.2%Helped
Increase feature regeneration units beyond 6 (ablation)VGG-16 · ILSVRC2012, ℓ∞ UAPrestoration accuracy: 96.2%Hurt

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