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Dual-stream Network for Visual Recognition

NeurIPS 2021 · Detection and segmentation › CNN features · approach: Convolution-transformer backbones · 35 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use dual local/global streams with DS-Net-S* rather than DeiT-SImage classification · ImageNet-1k validationTop-1 (%): +2.4%Helped
Add Inter-scale Alignment to DS-Net-S (ablation)DS-Net-S · ImageNet-1k validationTop-1 (%): 81.9 -> 82.3Helped
Use a 50/50 global-local channel split (ablation)DS-Net-T · ImageNet-1k validationTop-1 (%): 77.1 -> 78.1Helped
Remove local feature propagation fL (ablation)DS-Net-T* · ImageNet-1k validationTop-1 (%): 79.0 -> 76.7Hurt
Remove global feature propagation fG (ablation)DS-Net-T* · ImageNet-1k validationTop-1 (%): 79.0 -> 76.6Hurt
Remove global-to-local co-attention (ablation)DS-Net-T* · ImageNet-1k validationTop-1 (%): 79.0 -> 76.5Hurt
Remove local-to-global co-attention (ablation)DS-Net-T* · ImageNet-1k validationTop-1 (%): 79.0 -> 76.4Hurt
Remove both directions of Inter-scale Alignment (ablation)DS-Net-T* · ImageNet-1k validationTop-1 (%): 79.0 -> 78.1Hurt
Replace FPN with DS-FPNDS-Net-T with RetinaNet · MSCOCO 2017AP bbox: 39.0 -> 40.4Helped
Insert DS-Blocks in lateral connections and extra feature outputs (ablation)DS-Net-T with RetinaNet FPN · MSCOCO RetinaNetAP bbox: 39.0 -> 40.4Helped
Add DS-Net-S* as backbone instead of ResNet-50RetinaNet · MSCOCO minivalAP bbox: 36.3 -> 42.7Helped
Add DS-Net-S* as backbone instead of ResNet-50Mask R-CNN · MSCOCO minivalAP segm: 34.7 -> 40.2Helped

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