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Coarse-To-Fine Domain Adaptive Semantic Segmentation With Photometric Alignment and Category-Center Regularization

CVPR 2021 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Adaptation for semantic segmentation · 56 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add the complete coarse-to-fine pipelineDeepLab V3+(Resnet101) on GTA5→Cityscapes · GTA5→CityscapesmIoU: 37.6 -> 56.1Helped
Add global photometric alignment (GPA) (ablation)Coarse-to-fine segmentation on GTA5→Cityscapes · GTA5→CityscapesmIoU: 47.5 -> 56.1Helped
Add category-oriented triplet loss (CTL) (ablation)GPA-based segmentation on GTA5→Cityscapes · GTA5→CityscapesmIoU: 53.2 -> 56.1Helped
Add target consistency regularization (TCR) (ablation)GPA-based segmentation on GTA5→Cityscapes · GTA5→CityscapesmIoU: 53.1 -> 56.1Helped
Add both CTL and TCR (ablation)GPA-based segmentation on GTA5→Cityscapes · GTA5→CityscapesmIoU: 47.3 -> 56.1Helped
Use GPA rather than frequency alignment (ablation)Coarse-to-fine segmentation on GTA5→Cityscapes · GTA5→CityscapesmIoU: 52.0 -> 56.1Helped
Use GPA rather than BDL-GAN (ablation)Coarse-to-fine segmentation on GTA5→Cityscapes · GTA5→CityscapesmIoU: 54.5 -> 56.1Helped
Use the hybrid GPA scheme instead of gamma correction or histogram matching on all Lab channels (ablation)Coarse alignment on GTA5→Cityscapes · GTA5→CityscapesmIoU: 44.5 -> 47.3; 43.3 -> 47.3Helped
Exclude target-domain pseudo-labels from CTL (ablation)Category-oriented triplet loss on GTA5→Cityscapes · GTA5→CityscapesmIoU: 53.3 -> 56.1Helped
Use the complete coarse-to-fine pipeline rather than FDASemantic segmentation on GTA5→Cityscapes · GTA5→CityscapesmIoU: 50.4 -> 56.1Helped
Use the complete coarse-to-fine pipeline rather than CAG (16 classes)Semantic segmentation on Synthia→Cityscapes · Synthia→Cityscapes (16 classes)mIoU: 44.5 -> 48.2Helped
Use the complete coarse-to-fine pipeline rather than CAG (13 classes)Semantic segmentation on Synthia→Cityscapes · Synthia→Cityscapes (13 classes)mIoU*: 52.6 -> 55.5Helped

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