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Research map / Architectures and efficiency / CNN design

Strip Pooling: Rethinking Spatial Pooling for Scene Parsing

CVPR 2020 · Architectures and efficiency › CNN design · approach: Higher-order pooling · 812 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add two MPMs to Base FCN (ablation)Base FCN with ResNet-50 · ADE20KmIoU: 37.63 -> 41.92Helped
Add a second MPM instead of using one (ablation)Base FCN with ResNet-50 · ADE20KmIoU: 40.50 -> 41.92Helped
Add more than two MPMs (ablation)Base FCN with ResNet-50 · ADE20KmIoUNo clear effect
Add long-range strip pooling to short-range aggregation (ablation)Two-MPM Base FCN · ADE20KmIoU: 40.50 -> 41.92Helped
Add short-range aggregation to long-range strip pooling (ablation)Two-MPM Base FCN · ADE20KmIoU: 41.14 -> 41.92Helped
Add SPM at the last building block of each stage (ablation)Base FCN + 2 MPM · ADE20KmIoU: 41.92 -> 42.61Helped
Add SPM to all blocks in the last stage rather than only the last block of each stage (ablation)Base FCN + 2 MPM · ADE20KmIoU: 42.61 -> 42.30Hurt
Add SPM at both the last block of each stage and all blocks in the last stage (ablation)Base FCN + 2 MPM · ADE20KmIoU: 41.92 -> 44.03Helped
Add SPMs to all backbone building blocks (ablation)Base FCN + 2 MPM · ADE20KmIoUNo clear effect
Replace strip pooling in SPM with global average pooling (ablation)Base FCN + SPM · ADE20KmIoU: 41.92 -> 41.34Hurt
Use ResNet-101 instead of ResNet-50 (ablation)SPNet · ADE20KmIoU: 45.03% -> 45.60%Helped
Add multi-scale testing with flipping (ablation)SPNet-50 · ADE20KmIoU: 44.03 -> 45.03Helped

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