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CUDA: Curriculum of Data Augmentation for Long-tailed Recognition

ICLR 2023 · Label-efficient and robust learning › Recognition and long-tail · approach: Classifier rebalancing and margin losses · 15 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add class-wise adaptive augmentation with CUDABCL · CIFAR-100-LT IR 100accuracy: 51.0 -> 52.3 ± 0.2Helped
Add class-wise adaptive augmentation with CUDABCL · CIFAR-100-LT IR 50accuracy: 54.9 -> 56.2 ± 0.4Helped
Add class-wise adaptive augmentation with CUDABCL · CIFAR-100-LT IR 10accuracy: 64.4 -> 64.6 ± 0.1Helped
Add class-wise adaptive augmentation with CUDABCL · ImageNet-LTaccuracy: 55.6 ± 0.2 -> 56.3 ± 0.1Helped
Add class-wise adaptive augmentation with CUDARIDE (3 experts) · iNaturalist 2018accuracy: 71.6 ± 0.1 -> 72.4 ± 0.2Helped
Use static final augmentation strengths instead of the evolving curriculum (ablation)CUDA · CIFAR-100-LT IR 100accuracyHurt
Replace CUDA with hyperparameter optimization for choosing class-wise augmentation strengths (ablation)CUDA · CIFAR-100-LT IR 100accuracyHurt
Increase the augmentation preset from 10 to 14 operations (ablation)CUDA · CIFAR-100-LT IR 100accuracy: 41.6 -> 41.8Helped
Increase the augmentation preset from 14 to 22 operations (ablation)CUDA · CIFAR-100-LT IR 100accuracy: 41.8 -> 42.7Helped
Use fixed rather than random augmentation operation order (ablation)CUDA · CIFAR-100-LT IR 100accuracy: 42.7 -> 42.4No clear effect
Set the LoL threshold gamma to 0.3 instead of 0.4 (ablation)BS + CUDA · ImageNet-LTaccuracy: 51.59 -> 51.42Hurt
Set the LoL threshold gamma to 0.5 instead of 0.4 (ablation)BS + CUDA · ImageNet-LTaccuracy: 51.59 -> 51.38Hurt

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