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On Interaction Between Augmentations and Corruptions in Natural Corruption Robustness

NeurIPS 2021 · Label-efficient and robust learning › Test-time adaptation · approach: Extrapolation and single-sample adaptation · 10 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
train with augmentations perceptually similar to a test corruption (lower MSD)WideResNet-40-2 on CIFAR-10 augmentation powerset · CIFAR-10-Ccorruption error: 12 of 15 corruptions have Spearman correlation > 0.6Helped
use MMD instead of MSD as the augmentation-corruption distance (ablation)augmentation powerset · CIFAR-10-Ccorrelation with corruption errorHurt
use VGG-19-BN instead of WideResNet as MSD feature extractor (ablation)MSD · CIFAR-10-CSpearman correlation: 0.90 -> 0.92 (Impulse Noise)No clear effect
evaluate on dissimilar corruptions (C-bar) instead of ImageNet-CPatch Gaussian ResNet-50 · ImageNeterror (%): 49.3 -> 56.6Hurt
evaluate on dissimilar corruptions (C-bar) instead of ImageNet-CAutoAugment ResNet-50 · ImageNeterror (%): 55.0 -> 55.7Hurt
evaluate on dissimilar corruptions (C-bar) instead of CIFAR-10-CAugMix WideResNet-40-2 · CIFAR-10error (%): 11.1 -> 16.0Hurt
evaluate non-augmentation robust models on ImageNet-C-barWSL, EfficientNet, Noisy Student, ViT-S, ResNeSt · ImageNeterror (%): ViT-S 44.5 -> 41.1; WSL 38.1 -> 39.2Mixed
sample only the most similar AugMix augmentations (about 100) instead of full AugMix (ablation)AugMix on CIFAR-10-C · CIFAR-10-Ccorruption error: about 1% gainHelped
sample only the most dissimilar AugMix augmentations (ablation)AugMix on CIFAR-10-C · CIFAR-10-Ccorruption error: around 5% drop in accuracyHurt
use only about 1000 random AugMix transforms instead of all sampled ones (ablation)AugMix on CIFAR-10-C · CIFAR-10-Ccorruption errorNo clear effect

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