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Related papers: Towards Stable Test-Time Adaptation in Dynamic Wil…

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In this work, we propose a novel complementary learning approach to enhance test-time adaptation (TTA), which has been proven to exhibit good performance on testing data with distribution shifts such as corruptions. In test-time adaptation…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Jiayi Han , Longbin Zeng , Liang Du , Weiyang Ding , Jianfeng Feng

Test-time adaptation (TTA) refers to adjusting the model during the testing phase to cope with changes in sample distribution and enhance the model's adaptability to new environments. In real-world scenarios, models often encounter samples…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Ziqiong Liu , Yushun Tang , Junyang Ji , Zhihai He

In real-world scenarios, tabular data often suffer from distribution shifts that threaten the performance of machine learning models. Despite its prevalence and importance, handling distribution shifts in the tabular domain remains…

Machine Learning · Computer Science 2025-02-13 Changhun Kim , Taewon Kim , Seungyeon Woo , June Yong Yang , Eunho Yang

Encountering shifted data at test time is a ubiquitous challenge when deploying predictive models. Test-time adaptation (TTA) methods address this issue by continuously adapting a deployed model using only unlabeled test data. While TTA can…

Machine Learning · Computer Science 2025-11-11 Mona Schirmer , Metod Jazbec , Christian A. Naesseth , Eric Nalisnick

Traditional test-time adaptation (TTA) methods face significant challenges in adapting to dynamic environments characterized by continuously changing long-term target distributions. These challenges primarily stem from two factors:…

Machine Learning · Computer Science 2023-11-10 Fahim Faisal Niloy , Sk Miraj Ahmed , Dripta S. Raychaudhuri , Samet Oymak , Amit K. Roy-Chowdhury

Test-time adaptation (TTA) aims to adapt a trained classifier using online unlabeled test data only, without any information related to the training procedure. Most existing TTA methods adapt the trained classifier using the classifier's…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Minguk Jang , Sae-Young Chung , Hye Won Chung

When continual test-time adaptation (TTA) persists over the long term, errors accumulate in the model and further cause it to predict only a few classes for all inputs, a phenomenon known as model collapse. Recent studies have explored…

Machine Learning · Computer Science 2026-03-05 Taejun Lim , Joong-Won Hwang , Kibok Lee

Test-time adaptation (TTA) enhances the zero-shot robustness under distribution shifts by leveraging unlabeled test data during inference. Despite notable advances, several challenges still limit its broader applicability. First, most…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Youjia Zhang , Youngeun Kim , Young-Geun Choi , Hongyeob Kim , Huiling Liu , Sungeun Hong

Speech emotion recognition (SER) with audio-language models (ALMs) remains vulnerable to distribution shifts at test time, leading to performance degradation in out-of-domain scenarios. Test-time adaptation (TTA) provides a promising…

Sound · Computer Science 2026-02-05 Jiacheng Shi , Hongfei Du , Y. Alicia Hong , Ye Gao

Test-Time Adaptation (TTA) addresses domain shifts between training and testing. However, existing methods assume a homogeneous target domain (e.g., single domain) at any given time. They fail to handle the dynamic nature of real-world…

Machine Learning · Computer Science 2025-12-25 Chuyang Ye , Dongyan Wei , Zhendong Liu , Yuanyi Pang , Yixi Lin , Qinting Jiang , Jingyan Jiang , Dongbiao He

Test-time adaptation (TTA) has emerged as a viable solution to adapt pre-trained models to domain shifts using unlabeled test data. However, TTA faces challenges of adaptation failures due to its reliance on blind adaptation to unknown test…

Machine Learning · Computer Science 2024-04-03 Taeckyung Lee , Sorn Chottananurak , Taesik Gong , Sung-Ju Lee

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.…

Machine Learning · Computer Science 2023-11-13 Saypraseuth Mounsaveng , Florent Chiaroni , Malik Boudiaf , Marco Pedersoli , Ismail Ben Ayed

Recently, test-time adaptation (TTA) has been proposed as a promising solution for addressing distribution shifts. It allows a base model to adapt to an unforeseen distribution during inference by leveraging the information from the batch…

Machine Learning · Computer Science 2023-02-07 Tong Wu , Feiran Jia , Xiangyu Qi , Jiachen T. Wang , Vikash Sehwag , Saeed Mahloujifar , Prateek Mittal

Test-Time Adaptation (TTA) enables pre-trained models to adjust to distribution shift by learning from unlabeled test-time streams. However, existing methods typically treat these streams as independent samples, overlooking the supervisory…

Machine Learning · Computer Science 2026-01-30 Young Kyung Kim , Oded Schlesinger , Qiangqiang Wu , J. Matías Di Martino , Guillermo Sapiro

Test-time adaptation (TTA) refers to adapting neural networks to distribution shifts, with access to only the unlabeled test samples from the new domain at test-time. Prior TTA methods optimize over unsupervised objectives such as the…

Machine Learning · Computer Science 2022-11-24 Sachin Goyal , Mingjie Sun , Aditi Raghunathan , Zico Kolter

Graph-based learning excels at capturing interaction patterns in diverse domains like recommendation, fraud detection, and particle physics. However, its performance often degrades under distribution shifts, especially those altering…

Machine Learning · Computer Science 2026-05-12 Hans Hao-Hsun Hsu , Shikun Liu , Han Zhao , Pan Li

Time series encountered in practice are rarely stationary. When the data distribution changes, a forecasting model trained on past observations can lose accuracy. We study a small-footprint test-time adaptation (TTA) framework for causal…

Statistical Finance · Quantitative Finance 2026-02-03 Yurui Wu , Qingying Deng , Wonou Chung , Mairui Li

In recent advancements in Test Time Adaptation (TTA), most existing methodologies focus on updating normalization layers to adapt to the test domain. However, the reliance on normalization-based adaptation presents key challenges. First,…

Machine Learning · Computer Science 2026-03-24 Hyeongyu Kim , Geonhui Han , Dosik Hwang

Currently, pre-trained language models (PLMs) do not cope well with the distribution shift problem, resulting in models trained on the training set failing in real test scenarios. To address this problem, the test-time adaptation (TTA)…

Computation and Language · Computer Science 2023-04-26 Yi Su , Yixin Ji , Juntao Li , Hai Ye , Min Zhang

Test-time adaptation (TTA) enhances model robustness by enabling adaptation to target distributions that differ from training distributions, improving real-world generalizability. However, most existing TTA approaches focus on adjusting the…

Machine Learning · Computer Science 2026-05-05 Yewon Han , Seoyun Yang , Taesup Kim