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Research map / Architectures and efficiency / Attention and transformers

Global Filter Networks for Image Classification

NeurIPS 2021 · Architectures and efficiency › Attention and transformers · approach: Sparse and structured attention · 19 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
replace self-attention/MLP token mixing with global filter layer (FFT-based)GFNet-XS vs ResMLP-12 · ImageNet-1k valtop-1 accuracy (%): 76.6 -> 78.6Helped
global filter instead of self-attentionGFNet-Ti vs DeiT-Ti · ImageNet-1k valtop-1 accuracy (%): 72.2 -> 74.6Helped
global filter instead of self-attentionGFNet-S vs DeiT-S · ImageNet-1k valtop-1 accuracy (%): 79.8 -> 80.0No clear effect
hierarchical GFNet-H instead of ResNet/RegNet/PVTGFNet-H-Ti · ImageNet-1k valtop-1 accuracy (%): 75.1 -> 80.1 vs PVT-TiHelped
GFNet-H-B instead of Swin-SGFNet-H-B · ImageNet-1k valtop-1 accuracy (%): 83.0 -> 82.9No clear effect
fine-tune at 384 resolution for 30 epochsGFNet-B · ImageNet-1k valtop-1 accuracy (%): 80.7 -> 82.1Helped
GFNet-S vs DeiT-S under adversarial attackGFNet-S · FGSM/PGDaccuracy (%): 40.7 -> 42.6 FGSM; 16.7 -> 21.0 PGDHelped
GFNet-S vs DeiT-S on ImageNet-AGFNet-S · ImageNet-Atop-1 accuracy (%): 18.9 -> 14.3Hurt
replace global filter with FNet, local depthwise conv, or ResMLP mixing (ablation)GFNet-XS · ImageNet-1k valtop-1 accuracy (%)Hurt
use single residual connection per block (ablation)GFNet-XS · ImageNet-1k valtop-1 accuracy (%): +0.2%Helped

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