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Research map / Adversarial robustness and security / Certified and empirical robustness

Deep Partition Aggregation: Provable Defenses against General Poisoning Attacks

ICLR 2021 · Adversarial robustness and security › Certified and empirical robustness · approach: Provable defenses and their limits · 20 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use SS-DPA rather than the prior certified label-flipping defenselabel-flipping defense · MNISTmedian certified robustness: 645 vs. < 200 label flipsHelped
Use SS-DPA rather than the prior certified label-flipping defenselabel-flipping defense · CIFAR-10median certified robustness: 392 vs. 175Helped
Increase ensemble size from k=1200 to k=3000 (ablation)DPA · MNISTmedian certified robustness: 448 -> 509Helped
Increase ensemble size from k=1200 to k=3000 (ablation)SS-DPA · MNISTmedian certified robustness: 485 -> 645Helped
Increase ensemble size from k=50 to k=1000 (ablation)SS-DPA · CIFAR-10median certified robustness: 25 -> 392Helped
Increase ensemble size (ablation)DPA and SS-DPA · MNIST, CIFAR-10, and GTSRBclean accuracyHurt
Use sorted-index partitions instead of hash partitions (ablation)SS-DPA · MNISTmedian certified robustness: 460 -> 485; 606 -> 645Helped
Use sorted-index partitions instead of hash partitions (ablation)SS-DPA · CIFAR-10 and GTSRBmedian certified robustness: CIFAR-10: 25 -> 25, 124 -> 124, 387 -> 392; GTSRB: 25 -> 25, 50 -> 50, 99 -> 99, 174 -> 176No clear effect
Use sorted-index partitions instead of hash partitions (ablation)SS-DPA · MNISTbase classifier accuracy: 78.64% -> 80.77%; 55.04% -> 57.65%Helped
Use distinct random seeds per partition instead of the same seed (ablation)DPA · MNISTclean accuracy: 95.33% -> 95.85%; 92.90% -> 93.36%Helped
Use distinct random seeds per partition instead of the same seed (ablation)SS-DPA · MNISTclean accuracy: 94.45% -> 95.62%; 91.60% -> 93.90%Hurt
Use distinct random seeds per partition instead of the same seed (ablation)DPA and SS-DPA · all evaluated settingsmedian certified robustness: MNIST DPA k=1200: 443 -> 448; MNIST SS-DPA k=1200: 501 -> 485Mixed

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