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Dynamic Transfer for Multi-Source Domain Adaptation

CVPR 2021 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Conditional distribution alignment · 85 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace static transfer with dynamic residual transfer (ablation)MCD on DomainNet · DomainNetaccuracy: 38.5±0.61 -> 49.7±0.46Helped
Add self-training to DRTDRT · DomainNetaccuracy: 49.7±0.46 -> 51.3±0.32Helped
Use channel attention instead of a static model (ablation)Dynamic residual transfer · DomainNetaccuracy: 38.5±0.61 -> 47.8±0.59Helped
Use subspace routing instead of a static model (ablation)Dynamic residual transfer · DomainNetaccuracy: 38.5±0.61 -> 49.7±0.46Helped
Combine channel attention and subspace routing (ablation)Dynamic residual transfer · DomainNetaccuracy: 49.7±0.46 -> 49.6±0.50No clear effect
Use the combined dynamic residual for target infograph and quickdraw (ablation)Subspace Routing DRT · DomainNet, target infograph and quickdrawaccuracy: 31.0±0.56 -> 31.6±0.61; 9.9±1.03 -> 11.9±0.96Helped
Use the combined dynamic residual on the other target domains (ablation)Subspace Routing DRT · DomainNet, targets clipart, painting, real, and sketchaccuracy: 69.7±0.24 -> 69.1±0.35; 59.5±0.43 -> 58.2±0.25; 68.4±0.28 -> 67.8±0.36; 59.4±0.21 -> 58.8±0.44Hurt
Set the subspace routing basis count to K=4 rather than K=2, K=6, or K=8 (ablation)Subspace Routing DRT · DomainNetaccuracy: 48.8, 49.7, 49.5, 49.3No clear effect
Add DRT without domain alignment loss (ablation)Source Only · DomainNetaccuracy: 40.6±0.56 -> 42.8±0.74Helped
Add DRT while retaining ADDA alignment (ablation)ADDA · DomainNetaccuracy: 32.2±0.63 -> 44.9±0.64Helped
Add DRT while retaining M³SDA-β alignment (ablation)M³SDA-β · DomainNetaccuracy: 42.6±0.64 -> 48.8±0.55Helped
Use M³SDA-β alignment instead of MCD alignment with DRT (ablation)DRT · DomainNet, target quickdrawaccuracy: 9.9±1.03 -> 13.6±0.34Helped

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