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Semi-supervised Learning with Multi-Head Co-Training

AAAI 2022 · Label-efficient and robust learning › Semi-supervised learning · approach: Holistic semi-supervised pipelines · 24 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use multi-head co-training with weak-to-strong augmentation and peer-generated pseudo-labelsWRN 28-2 · CIFAR-10, 4000 labelserror rate: 4.26±0.05 -> 3.84±0.09Helped
Use multi-head co-training with weak-to-strong augmentation and peer-generated pseudo-labelsWRN 28-2 · SVHN, 250 labelserror rate: 2.48±0.38 -> 2.21±0.18Helped
Use multi-head co-training with weak-to-strong augmentation and peer-generated pseudo-labelsWRN 28-8 · CIFAR-100, 10000 labelserror rate: 22.60±0.12 -> 21.68±0.16Helped
Use multi-head co-training with weak-to-strong augmentation and peer-generated pseudo-labelsResNet-18 · Mini-ImageNet, 4000 labelserror rate: 46.32±0.27 -> 46.53±0.15No clear effect
Use multi-head co-training with weak-to-strong augmentation and peer-generated pseudo-labelsResNet-18 · Mini-ImageNet, 10000 labelserror rate: 39.43±0.09 -> 39.74±0.12No clear effect
Add peer heads instead of using one head with self-generated pseudo-labels (ablation)Multi-Head Co-Training · CIFAR-10, 4000 labelserror rate: 4.43 -> 3.84Helped
Give each head its own strong augmentation (ablation)Multi-Head Co-Training · CIFAR-10, 4000 labelserror rate: 4.45 -> 3.84Helped
Add weak augmentation for pseudo-labeling instead of using original images (ablation)Multi-Head Co-Training · CIFAR-10, 4000 labelserror rate: 4.86 -> 3.84Helped
Initialize heads independently rather than identically (ablation)Multi-Head Co-Training · CIFAR-10, 4000 labelserror rate: 4.28 -> 3.84Helped
Add an exponential moving average model (ablation)Multi-Head Co-Training · CIFAR-10, 4000 labelserror rate: 6.23 -> 3.84Helped

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