Bag of Tricks for Fully Test-Time Adaptation
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Abstract (arXiv)
Fully Test-Time Adaptation (TTA), which aims at adapting models to data drifts, has recently attracted wide interest. Numerous tricks and techniques have been proposed to ensure robust learning on arbitrary streams of unlabeled data. However, assessing the true impact of each individual technique and obtaining a fair comparison still constitutes a significant challenge. To help consolidate the community's knowledge, we present a categorization of selected orthogonal TTA techniques, including small batch normalization, stream rebalancing, reliable sample selection, and network confidence calibration. We meticulously dissect the effect of each approach on different scenarios of interest. Through our analysis, we shed light on trade-offs induced by those techniques between accuracy, the computational power required, and model complexity. We also uncover the synergy that arises when combining techniques and are able to establish new state-of-the-art results.
Key facts. Cited by 8 papers in the map (data through 7 Oct 2026). Builds on 32 of its 40 references that are in the map. First posted on arXiv 3 Oct 2023.
Builds on
32 of 40 references.
References · 32
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20 more
- 2020Do We Really Need to Access the Source Data? Source Hypothesis Transfer for Unsupervised Domain Adaptationcited by 844
- 2020RobustBench: a standardized adversarial robustness benchmarkcited by 659
- 2022Efficient Test-Time Model Adaptation without Forgettingcited by 467
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- 2022TTTFlow: Unsupervised Test-Time Training with Normalizing Flowcited by 33
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Built on by
Citing papers per year: 2023: 2; 2024: 3; 2025: 1; 2026: 2.
8 papers.
- 2024Merging Multi-Task Models via Weight-Ensembling Mixture of Expertscited by 85
- 2023In Search of Lost Online Test-time Adaptation: A Surveycited by 43
- 2023Concrete Subspace Learning based Interference Elimination for Multi-task Model Fusioncited by 36
- 2024Protected Test-Time Adaptation via Online Entropy Matching: A Betting Approachcited by 22
- 2024Efficient and Effective Weight-Ensembling Mixture of Experts for Multi-Task Model Mergingcited by 22
- 2025Simulations of Common Unsupervised Domain Adaptation Algorithms for Image Classificationcited by 6
- 2026Ramen: Robust Test-Time Adaptation of Vision-Language Models with Active Sample Selectioncited by 0
- 2026Entropy Minimization without Model Collapse: Mitigating Prediction Bias in Medical Imagingcited by 0
- 2026Entropy Minimization without Model Collapse: Mitigating Prediction Bias in Medical Imaging1 Jun 2026
- 2026Ramen: Robust Test-Time Adaptation of Vision-Language Models with Active Sample Selection23 Apr 2026
- 2025Simulations of Common Unsupervised Domain Adaptation Algorithms for Image Classification15 Feb 2025
- 2024Efficient and Effective Weight-Ensembling Mixture of Experts for Multi-Task Model Merging29 Oct 2024
- 2024Protected Test-Time Adaptation via Online Entropy Matching: A Betting Approach14 Aug 2024
- 2024Merging Multi-Task Models via Weight-Ensembling Mixture of Experts1 Feb 2024
- 2023Concrete Subspace Learning based Interference Elimination for Multi-task Model Fusion11 Dec 2023
- 2023In Search of Lost Online Test-time Adaptation: A Survey31 Oct 2023