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Nested Hierarchical Transformer: Towards Accurate, Data-Efficient and Interpretable Visual Understanding

AAAI 2022 · Architectures and efficiency › Attention and transformers · approach: Efficient and robust vision transformers · 155 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use nested local transformers with the proposed block aggregationNesT · CIFAR10 testaccuracy: 95.97 -> 97.20Helped
Use nested local transformers with the proposed block aggregationNesT · CIFAR100 testaccuracy: 80.75 -> 82.56Helped
Use NesT-B instead of Swin-BImageNet-1k · ImageNet-1kTop-1 accuracy: 83.3 -> 83.8Helped
Use NesT-S instead of Swin-BImageNet-1k · ImageNet-1kTop-1 accuracy: 83.3 -> 83.3No clear effect
Use NesT-B instead of Swin-BImageNet-1k with ImageNet-22K pre-training · ImageNet-1kImageNet accuracy: 86.0 -> 86.2Helped
Add teacher distillation (ablation)NesT-B · CIFAR10accuracy: 97.2 -> 97.1No clear effect
Add teacher distillation (ablation)NesT-B · CIFAR100accuracy: 82.6 -> 84.5Helped
Use a strongly augmented teacher instead of standard augmentation for teacher training (ablation)NesT-B distilled from PN-164-48 · CIFAR100accuracy: 84.5 -> 83.7Hurt
Use a strongly augmented teacher instead of standard augmentation for teacher training (ablation)NesT-B distilled from PN-164-270 · CIFAR100accuracy: 84.9 -> 83.8Hurt
Vary MSA head count from 1 to 96 while holding hidden dimension fixed (ablation)NesT₄-B · CIFAR10accuracy: 97.1; 96.85; 96.92; 97.07; 97.21; 97.01; 97.03; 97.08No clear effect
Use a deeper hierarchy rather than a shallower one (ablation)NesT · CIFARaccuracyHelped
Increase hierarchy depth to 5 (ablation)NesT · CIFARaccuracyHurt

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