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NAG: Network for Adversary Generation

CVPR 2018 · Adversarial robustness and security › Attacks on text and graphs · approach: Defenses against universal perturbations · 144 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use NAG instead of UAPUniversal adversarial perturbations for an ILSVRC-2014 target CNN · ILSVRC-2014 val, across the seven target CNNsmean fooling rate: 57.66 -> 65.68Helped
Train one generator jointly against seven target CNNsNAG · ILSVRC-2014 val, seven target CNNsmean fooling rate: 72.62% -> 80.02%Helped
Train the generator on an ensemble of target models rather than a single targetNAG ensemble generator · Left-out CaffeNet, VGG-19, and ResNet-152Mean BBFR: 71.26 -> 76.40Helped
Increase training data from 1000 to 50000 images (ablation)NAG with ResNet-152 target · ILSVRC-2014 valwhite-box fooling rate: 61.54 -> 91.16Helped
Increase training data from 1000 to 50000 images (ablation)NAG with ResNet-152 target · ILSVRC-2014 val, black-box meanMean BBFR: 39.46 -> 67.45Helped
Increase diversity-loss weight from 0.1 to 10 (ablation)NAG with ResNet-50 target · ILSVRC-2014 valfooling rate: 89.04 -> 76.26Hurt
Increase diversity-loss weight from 0.1 to 10 (ablation)NAG with ResNet-50 target · ILSVRC-2014 valnumber of dominant labels: 253 -> 348Helped
Use Conv4 instead of softmax features for diversity (ablation)NAG with VGG-F target · VGG-F held-out setmean fooling rate: 93.57 (0.11) -> 93.86 (0.055)No clear effect
Use Conv5 instead of softmax features for diversity (ablation)NAG with VGG-F target · VGG-F held-out setmean fooling rate: 93.57 (0.11) -> 94.80 (0.072)No clear effect

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