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Characterizing and Avoiding Negative Transfer

CVPR 2019 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Statistical transfer learning · 478 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add the discriminator gate to deep transfer methodsDAN, DCORAL, DANN, ADDA, PADA, and GTA · Four benchmarks, eight transfer tasksaccuracy: ↑8.3; ↑5.2; ↑8.1; ↑7.1; ↑7.5; ↑13.3; ↑8.9; ↑10.4Helped
Add the discriminator gate to DANNDANN · W→D and A→D; ε=0.0accuracy: ↓0.2; ↓0.2No clear effect
Add the discriminator gate to DANNDANN · W→D and A→D; ε=0.9, L%=30%accuracy: ↑9.4; ↑29.3Helped
Add the discriminator gate to DANNDANN · A→D, ε=0.7 and 0.3; L%=30% and 10%accuracy: 70.4 -> 82.5; 49.4 -> 58.7; 72.5 -> 82.7; 54.3 -> 60.7Helped
Add a discriminator gate, without joint-label distribution matching (ablation)DANN_gate · A→D, average across four settingsaccuracy: 71.2 -> 66.0Hurt
Use label information but remove the discriminator gate (ablation)DANN_gate · A→D, average across four settingsaccuracy: 71.2 -> 64.9Hurt
Match only the joint distribution (ablation)DANN_gate · A→D, average across four settingsaccuracy: 71.2 -> 70.6Hurt
Match only the marginal distribution (ablation)DANN_gate · A→D, average across four settingsaccuracy: 71.2 -> 69.3Hurt
Remove marginal and joint distribution matching (ablation)DANN_gate · A→D, average across four settingsaccuracy: 71.2 -> 67.3Hurt
Exclude perturbed source data using a human oracle (ablation)DANN_gate · A→D, average across four settingsaccuracy: 71.2 -> 78.7Hurt
Increase source-target distribution divergenceDANN · Office-31 W→D and A→Dnegative transfer gapHurt
Increase the amount of labeled target dataDANN relative to its target-only baseline · Office-31 transfer tasksnegative transfer gapHurt

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