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Target-Relevant Knowledge Preservation for Multi-Source Domain Adaptive Object Detection

CVPR 2022 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Cross-domain few-shot with transformers · 34 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add AMSD to the UBT baselineUBT · BDD100K dawn/dusk (daytime+night sources)mAP: 33.1 -> 38.0Helped
Add HTRM to the UBT baselineUBT · BDD100K dawn/dusk (daytime+night sources)mAP: 33.1 -> 35.5Helped
Add AMSD classification and regression disentanglement (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 34.4 -> 38.0Helped
Use separate detectors per source instead of a shared feature extractor (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 33.1 -> 24.7Hurt
Add multi-head detection to shared features (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 33.1 -> 34.4Helped
Apply AMSD to classification head only (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 34.4 -> 36.5Helped
Apply AMSD to regression head only (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 34.4 -> 35.9Helped
Set AMSD μ to 0.05 instead of 0.01 (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 38.0 -> 36.8Hurt
Set AMSD μ to 0.002 instead of 0.01 (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 38.0 -> 37.0Hurt
Set AMSD λ to 1.0 instead of 0.2 (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 38.0 -> 37.2Hurt
Set AMSD λ to 0.04 instead of 0.2 (ablation)TRKP · BDD100K dawn/dusk (daytime+night sources)mAP: 38.0 -> 36.7Hurt
Mine source-target relevance at image level rather than instance level (ablation)HTRM · BDD100K dawn/dusk (daytime+night sources)mAP: 35.5 -> 32.6Hurt

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