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Research map / Label-efficient and robust learning / Domain adaptation and generalization

Domain Generalization by Solving Jigsaw Puzzles

CVPR 2019 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Optimization-based domain generalization · 862 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add image-level jigsaw prediction as an auxiliary task to object classificationAlexNet JiGen · PACSaverage accuracy: 71.52 -> 73.38Helped
Add image-level jigsaw prediction as an auxiliary task to object classificationAlexNet JiGen · VLCSaverage accuracy: 72.66 -> 73.19Helped
Add image-level jigsaw prediction as an auxiliary task to object classificationResNet-18 JiGen · Office-Homeaverage accuracy: 60.51 -> 61.20Helped
Add image-level jigsaw prediction as an auxiliary task to object classificationResNet-18 JiGen · PACSaverage accuracy: 79.05 -> 80.51Mixed
Include unlabeled target images in jigsaw training and set target jigsaw weight to 0.3JiGen · PACS domain adaptationaverage accuracy: 85.30 -> 86.46Helped
Add the jigsaw task with alpha 0.1 or 1 while keeping beta at 0.6 (ablation)AlexNet JiGen · PACSaverage accuracyHelped
Set beta to 1 while retaining a high jigsaw loss weight, so training uses only ordered images (ablation)AlexNet JiGen · PACSaverage accuracyHurt
Train with shuffled images only (beta 0) (ablation)AlexNet JiGen · PACSaccuracy: <20%Hurt
Vary the number of jigsaw classes from 5 to 1000 (ablation)AlexNet JiGen · PACSaccuracy: 1.5 percentage pointsNo clear effect
Vary the patch grid size from 2×2 to 4×4 (ablation)AlexNet JiGen · PACSaccuracyNo clear effect
Use rotation prediction instead of jigsaw prediction as the auxiliary task (ablation)AlexNet domain generalization model · PACSaverage accuracy: 71.52 -> 72.13Helped

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