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Learn2Perturb: An End-to-End Feature Perturbation Learning to Improve Adversarial Robustness

CVPR 2020 · Adversarial robustness and security › Certified and empirical robustness · approach: Regularized defenses against attacks · 65 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add learned feature perturbations and alternating updates of network and noise parametersResNet-V1(20), versus vanilla PGD adversarial training · CIFAR-10PGD accuracy: 39.1±0.1 -> 51.13±0.08Helped
add learned feature perturbations and alternating updates of network and noise parametersResNet-V1(20), versus vanilla PGD adversarial training · CIFAR-10FGSM accuracy: 46.6 -> 58.41±0.07Helped
add both network gradients and the regularizer when updating perturbation modules (ablation)Learn2Perturb-R · CIFAR-10, ResNet-V1(20)PGD accuracy: 50.23±0.14 -> 51.13±0.08Helped
add both network gradients and the regularizer when updating perturbation modules (ablation)Learn2Perturb-R · CIFAR-10, ResNet-V1(20)clean accuracy: 81.15±0.02 -> 83.62±0.02Helped
use regularizer-only updates for perturbation modules, omitting network gradients (ablation)Learn2Perturb · CIFAR-10, ResNet-V1(20)PGD accuracy: 51.13±0.08 -> 50.23±0.14Hurt
use regularizer-only updates for perturbation modules, omitting network gradients (ablation)Learn2Perturb · CIFAR-10, ResNet-V1(20)clean accuracy: 83.62±0.02 -> 81.15±0.02Hurt
increase network width from ResNet-V1(20) to ResNet-V1(20)[4×] (ablation)Learn2Perturb · CIFAR-10PGD accuracy: 51.13±0.08 -> 55.75±0.07Helped
increase network depth from ResNet-V1(20) to ResNet-V1(56) (ablation)Learn2Perturb · CIFAR-10FGSM accuracy: 58.41±0.07 -> 61.53±0.04Helped
use Learn2Perturb instead of PNIResNet-V2(18) · CIFAR-10, C&W attack, κ=5.0accuracy: 0.8 -> 34.8Helped
use Learn2Perturb instead of Adv-BNNResNet-V2(18) · CIFAR-10, C&W attack, κ=0.0accuracy: 78.9 -> 83.6Helped
use Learn2Perturb instead of Adv-BNNResNet-V2(18) · CIFAR-10, 1-pixel attackaccuracy: 68.60 vs 64.45Hurt
use Learn2Perturb instead of Adv-BNNResNet-V1(20) · CIFAR-10, 1-pixel attackaccuracy: 58.40 -> 70.15Helped

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