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Instance Level Affinity-Based Transfer for Unsupervised Domain Adaptation

CVPR 2021 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Conditional distribution alignment · 80 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add ILA-DA to CDANCDAN · Digits (3 transfer tasks)average accuracy (%): 93.1 -> 94.88Helped
Add ILA-DA to DANNDANN · Digits (3 transfer tasks)average accuracy (%): 89.29 -> 93.83Helped
Add ILA-DA to CDANCDAN · Office-31 (6 transfer tasks)average accuracy (%): 86.6 -> 89.30Helped
Add ILA-DA to DANNDANN · Office-31 (6 transfer tasks)average accuracy (%): 82.2 -> 85.54Helped
Add ILA-DA to CDANCDAN · Birds-31 (6 transfer tasks)average accuracy (%): 82.18 -> 86.03Helped
Add ILA-DA to DANNDANN · Birds-31 (6 transfer tasks)average accuracy (%): 78.44 -> 83.63Helped
Replace MSC loss with triplet loss (ablation)CDAN with ILA-DA · Office-31 (6 transfer tasks)average accuracy (%): 89.30 -> 87.63Hurt
Replace kNN pseudo-labeling with classifier predictions (ablation)ILA-DA with CDAN · Office-31 (6 transfer tasks)average accuracy (%): 89.30 -> 86.68Hurt
Set sampling fraction μ to 0.33 instead of 0.67 (ablation)ILA-DA with CDAN · Office-31 (6 transfer tasks)average accuracy (%): 89.30 -> 87.91Hurt
Set sampling fraction μ to 0.50 instead of 0.67 (ablation)ILA-DA with CDAN · Office-31 (6 transfer tasks)average accuracy (%): 89.30 -> 88.53Hurt
Accept all pseudo-labels by setting μ to 1.00 (ablation)ILA-DA with CDAN · Office-31 (6 transfer tasks)average accuracy (%): 89.30 -> 87.92Hurt
Use k=1 instead of k=5 neighbors (ablation)ILA-DA with CDAN · Office-31 (6 transfer tasks)average accuracy (%): 89.30 -> 87.46Hurt

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