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Uncertainty-Guided Model Generalization to Unseen Domains

CVPR 2021 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Optimization-based domain generalization · 73 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use uncertainty-guided feature perturbations and learnable label mixupSingle-source domain generalization · Digits: average across unseen domainsaccuracy (%): 59.5 -> 61.3Helped
Use uncertainty-guided feature perturbations and learnable label mixupSingle-source domain generalization · CIFAR-10-C with WRNaccuracy (%): 80.2 -> 83.4Helped
Use uncertainty-guided feature perturbations and learnable label mixupSingle-source domain generalization · Amazon Reviews: dvd -> electronicsaccuracy (%): 75.2 -> 75.0Hurt
Make feature perturbations learnable rather than fixed random Gaussian noise (ablation)Uncertainty-guided domain generalization · Digits: average across unseen domainsaccuracy (%): 51.0±0.36 -> 61.3±0.73Helped
Sample perturbations rather than apply only the learned mean (ablation)Uncertainty-guided domain generalization · Digits: average across unseen domainsaccuracy (%): 59.7±0.70 -> 61.3±0.73Helped
Learn both μ and σ instead of fixing either distribution parameter (ablation)Uncertainty-guided domain generalization · Digits: average across unseen domainsaccuracy (%): 60.5±0.75 -> 61.3±0.73; 60.7±0.65 -> 61.3±0.73Helped
Add label mixup (ablation)Uncertainty-guided domain generalization · CIFAR-10-Caccuracy (%): 67.4±0.64 -> 70.2±0.62Helped
Learn the mixup distribution from uncertainty instead of sampling λ from a fixed Beta(1,1) (ablation)Uncertainty-guided domain generalization · CIFAR-10-Caccuracy (%): 69.4±0.58 -> 70.2±0.62Helped
Add adversarial training for domain augmentation (ablation)Uncertainty-guided domain generalization · Digits: average across unseen domainsaccuracy (%): 51.8±0.71 -> 61.3±0.73Helped
Use meta-learning rather than train source and augmentations together (ablation)Uncertainty-guided domain generalization · CIFAR-10-Caccuracy (%): 68.7±0.81 -> 70.2±0.62Helped
Optimize φ_p with the adversarial constraint (ablation)Uncertainty-guided domain generalization · CIFAR-10-Caccuracy (%): 69.6±0.75 -> 70.2±0.62Helped

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