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DASO: Distribution-Aware Semantics-Oriented Pseudo-Label for Imbalanced Semi-Supervised Learning

CVPR 2022 · Label-efficient and robust learning › Semi-supervised learning · approach: Confidence-based pseudo-label selection · 90 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add DASO to FixMatchFixMatch · CIFAR10-LT, γu=1, N1=500accuracy (%): 73.0 ± 3.81 -> 86.6 ± 0.84Helped
Add DASO to FixMatchFixMatch · CIFAR10-LT, γu=1/100, N1=500accuracy (%): 62.5 ± 0.94 -> 71.0 ± 0.95Helped
Add DASO to FixMatchFixMatch · STL10-LT, γl=10, N1=150accuracy (%): 56.1 ± 2.32 -> 70.0 ± 1.19Helped
Add semantic alignment loss (ablation)DASO · CIFAR10-LTaccuracy: 70.98 -> 75.97Helped
Add semantic alignment loss (ablation)DASO · STL10-LTaccuracy: 61.64 -> 70.21Helped
Use distribution-aware class-adaptive blending rather than constant blending (ablation)DASO · CIFAR10-LTaccuracy: 72.96 -> 75.97Helped
Use distribution-aware class-adaptive blending rather than constant blending (ablation)DASO · STL10-LTaccuracy: 64.21 -> 70.21Helped
Add semantic pseudo-label contribution (υk=1) instead of relying only on linear pseudo-labels (υk=0) (ablation)DASO · CIFAR10-LTaccuracy: 73.15; 72.35Mixed
Add semantic pseudo-label contribution (υk=1) instead of relying only on linear pseudo-labels (υk=0) (ablation)DASO · STL10-LTaccuracy: 58.51 -> 62.60Helped
Use balanced prototypes and an EMA encoder (ablation)DASO · CIFAR10-LTaccuracy: 74.98 -> 75.97Helped
Use balanced prototypes and an EMA encoder (ablation)DASO · STL10-LTaccuracy: 68.54 -> 70.21Helped
Set Tdist to 1.5 rather than 0.3 (ablation)DASO · CIFAR10-LTaccuracy: 73.97 -> 75.97Helped

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