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A DIRT-T Approach to Unsupervised Domain Adaptation

ICLR 2018 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Adversarial domain adaptation · 431 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
refine VADA with DIRT-TVADA · Visual domain adaptation benchmarksaccuracy: DIRT-T consistently improves upon VADAHelped
refine VADA with DIRT-TVADA · Room A → Room Baccuracy: 53.0 -> 53.0No clear effect
add virtual adversarial training to VADA (ablation)VADA · Visual domain adaptation benchmarksaccuracyHelped
add virtual adversarial training during DIRT-T refinement (ablation)DIRT-T initialized from VADA no-vat · Visual domain adaptation benchmarksaccuracy: 94.8 -> 98.3; 96.3 -> 99.4; 68.6 -> 69.8; 94.4 -> 95.3; 99.1 -> 99.6; 69.2 -> 71.0Helped
remove virtual adversarial training from VADA (ablation)VADA · Visual domain adaptation benchmarksaccuracy: 93.8, 83.1, 66.8, 93.4, 98.4, 79.1, 68.6Mixed
remove the teacher KL constraint during DIRT-T (ablation)DIRT-T · SVHN → MNIST and STL → CIFARaccuracyHurt
apply instance normalization to inputs (ablation)DIRT-T · MNIST → SVHNaccuracy: 54.5 -> 76.5Helped
apply instance normalization to inputs (ablation)DIRT-T · SYN DIGITS → SVHNaccuracy: 96.1 -> 96.2No clear effect
apply instance normalization to inputs (ablation)DIRT-T · STL → CIFARaccuracy: 75.3 -> 73.3Hurt
replace natural-gradient refinement with naive gradient descent (remove KL constraint) (ablation)DIRT-T · STL → CIFARaccuracyHurt
replace natural-gradient refinement with naive gradient descent (remove KL constraint) (ablation)DIRT-T · SVHN → MNISTaccuracyMixed
apply DIRT-T refinement to VADA (ablation)VADA · MNIST → SVHNaccuracy: 47.5 -> 54.5; 73.3 -> 76.5Helped

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