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Improved Distribution Matching for Dataset Condensation

CVPR 2023 · Label-efficient and robust learning › Recognition and long-tail · approach: Data augmentation and generalization bias · 77 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace DM with IDM's partitioning, enriched model sampling, and class-aware regularizationDM dataset condensation · CIFAR-10, 1 Img/Clsaccuracy: 26.0±0.8 -> 45.6±0.7Helped
Replace DM with IDM's full methodDM dataset condensation · CIFAR-100, 10 Img/Clsaccuracy: 29.7±0.3 -> 45.1±0.1Helped
Add model sampling (ablation)DM · CIFAR-100, 10 Img/Clsaccuracy: 29.7±0.3 -> 32.0±0.5Helped
Add model sampling (ablation)DM · ImageNet Subset, 10 Img/Clsaccuracy: 11.9±0.3 -> 10.8±0.7Hurt
Add class-aware distribution regularization after model sampling (ablation)DM + Model Sampling · CIFAR-100, 10 Img/Clsaccuracy: 32.0±0.5 -> 34.3±0.3Helped
Add class-aware distribution regularization after model sampling (ablation)DM + Model Sampling · ImageNet Subset, 10 Img/Clsaccuracy: 10.8±0.7 -> 15.6±0.4Helped
Add partitioning and expansion augmentation (ablation)DM + Model Sampling + Distribution Regularization · CIFAR-100, 10 Img/Clsaccuracy: 34.3±0.3 -> 45.1±0.1Helped
Add partitioning and expansion augmentation (ablation)DM + Model Sampling + Distribution Regularization · ImageNet Subset, 10 Img/Clsaccuracy: 15.6±0.4 -> 17.1±0.6Helped
Use 2×2 instead of 1×1 partitioning (ablation)IDM augmentation · ImageNet Subset, 1 Img/Clsaccuracy: 5.4±0.1 -> 11.2±0.5Helped
Increase partition size from 2×2 to 3×3 (ablation)IDM augmentation · ImageNet Subset, 1 Img/Clsaccuracy: 11.2±0.5 -> 10.7±0.7Hurt
Use IDM instead of DM for condensed data constructionCIFAR-100 continual-learning memory · CIFAR-100, 5-step continual learningfinal performance: 33.8% -> 39.3%Helped
Use IDM instead of DM for condensed data constructionCIFAR-100 continual-learning memory · CIFAR-100, 10-step continual learningfinal performance: 33.7% -> 39.3%Helped

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