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Dense Learning Based Semi-Supervised Object Detection

CVPR 2022 · Detection and segmentation › Weakly supervised detection and segmentation · approach: Pseudo-labeling for semi-supervised detection · 85 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use DSL instead of supervised-only FCOSFCOS · MS-COCO 10% labeledmAP: 23.86 -> 36.22Helped
Use DSL instead of the strongest listed baselineobject detection · PASCAL-VOC07 test, unlabeled VOC12AP50:90: 48.7 -> 56.8Helped
Add Adaptive Filtering (ablation)DSL on FCOS · MS-COCO 10% labeledmAP: 23.7 -> 32.2Helped
Add MetaNet pseudo-label refinement (ablation)DSL on FCOS · MS-COCO 10% labeledmAP: 32.2 -> 32.5Helped
Add Aggregated Teacher (ablation)DSL on FCOS · MS-COCO 10% labeledmAP: 32.5 -> 34.5Helped
Add patch-shuffle augmentation (ablation)DSL on FCOS · MS-COCO 10% labeledmAP: 34.5 -> 34.9Helped
Add scale uncertainty-consistency loss (ablation)DSL on FCOS · MS-COCO 10% labeledmAP: 34.9 -> 36.2Helped
Use a single threshold instead of multi-level Adaptive Filtering (ablation)FCOS pseudo-label assignment · MS-COCO 10% labeledmAP: 36.2 vs. 27.1, 28.8, 30.7, 27.5Hurt
Use class-adaptive τ2 instead of fixed τ2=0.3 (ablation)Adaptive Filtering · MS-COCO 10% labeledmAP: 36.0 -> 36.2Helped
Add EMA parameter aggregation (ablation)FCOS teacher · MS-COCO 10% labeledmAP: 33.0 -> 34.1Helped
Add layer aggregation (ablation)FCOS teacher · MS-COCO 10% labeledmAP: 33.0 -> 35.0Helped
Combine EMA and layer aggregation (ablation)FCOS teacher · MS-COCO 10% labeledmAP: 35.0 -> 36.2Helped

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