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SHOT-VAE: Semi-supervised Deep Generative Models With Label-aware ELBO Approximations

AAAI 2021 · Label-efficient and robust learning › Semi-supervised learning · approach: GAN-based semi-supervised learning · 18 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace the labeled-data objective with smooth-ELBO (ablation)Semi-supervised VAE on CIFAR-10 · CIFAR-10 (10% labels)error rate: 18.08% to 13.54%Helped
Add OT-approximation to smooth-ELBO (ablation)SHOT-VAE on CIFAR-10 · CIFAR-10 (10% labels)error rate: 13.54% to 8.51%Helped
Replace the standard labeled-data ELBO with smooth-ELBO (ablation)Semi-supervised VAE · CIFAR-100error rateHelped
Add OT-approximation to the model (ablation)SHOT-VAE · CIFAR-10 and CIFAR-100inference accuracyHelped
Continue optimizing ELBO after its bottleneck without OT-approximation (ablation)Semi-supervised VAE · CIFAR-10 and CIFAR-100inference accuracyNo clear effect
Remove the labeled-data ELBO term (ablation)M2 · CIFAR-10 and CIFAR-100inference accuracyNo clear effect
Add OT-approximation to smooth-ELBO (ablation)SHOT-VAE on MNIST · MNIST (100 labels)error rate: 3.14(\pm 0.19) to 3.12(\pm 0.22)Helped
Add OT-approximation to smooth-ELBO (ablation)SHOT-VAE on SVHN · SVHN (1k labels)error rate: 29.38(\pm 0.78) to 28.82(\pm 0.49)Helped
Reduce model size from 36.5M to 1.5M parameters (ablation)SHOT-VAE · CIFAR-10 (4k labels)error rate: 6.11(\pm 0.34) to 8.51(\pm 0.32)Hurt
Combine SHOT-VAE with data augmentation (ablation)SHOT-VAE · CIFAR-10accuracyHelped
Combine SHOT-VAE with Mean Teacher (ablation)SHOT-VAE · CIFAR-100accuracyHelped

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