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Research map / Detection and segmentation / CNN features

Learning Dynamic Routing for Semantic Segmentation

CVPR 2020 · Detection and segmentation › CNN features · approach: Context modeling for semantic segmentation · 187 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use input-dependent dynamic routing instead of a fixed architecture (ablation)Segmentation network · Cityscapes valmIoU(%): 74.5 -> 76.1Helped
Use dynamic routing rather than a static common connection patternDynamic-A versus Common-A · Cityscapes valmIoU(%): 71.6 -> 72.8Helped
Use dynamic routing rather than a static common connection patternDynamic-B versus Common-B · Cityscapes valmIoU(%): 73.0 -> 73.8Helped
Use dynamic routing rather than a static common connection patternDynamic-C versus Common-C · Cityscapes valmIoU(%): 73.2 -> 74.6Helped
Use two SepConv3×3 operations per cell rather than one (ablation)Dynamic routing · Cityscapes valmIoU(%): 71.2 -> 76.1Helped
Increase cell depth from two to three SepConv3×3 operations (ablation)Dynamic routing · Cityscapes valmIoU(%): 76.1 -> 75.2Hurt
Replace the proposed max(0, Tanh) gate activation with Softmax (ablation)Dynamic routing · Cityscapes valmIoU(%): 76.1 -> 74.1Hurt
Replace the proposed max(0, Tanh) gate activation with Sigmoid (ablation)Dynamic routing · Cityscapes valmIoU(%): 76.1 -> 75.9Hurt
Apply a resource budget rather than leave routing unconstrained (ablation)Dynamic routing · Cityscapes valmIoU(%): 76.1 -> 74.6Hurt
Apply a resource budget rather than leave routing unconstrained (ablation)Dynamic routing · Cityscapes valFLOPs(G): 119.5 -> 66.6Helped
Increase training from 186K to 372K iterations (ablation)Dynamic network · Cityscapes val, single scale, no flippingmIoU(%): 76.1 -> 77.4Helped
Add Scheduled Drop Path (ablation)Dynamic network · Cityscapes val, single scale, no flippingmIoU(%): 77.4 -> 78.3Helped

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