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Related papers: Persistent Test-time Adaptation in Recurring Testi…

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Test-time adaptation (TTA) aims to address distributional shifts between training and testing data using only unlabeled test data streams for continual model adaptation. However, most TTA methods assume benign test streams, while test…

Machine Learning · Computer Science 2023-10-17 Taesik Gong , Yewon Kim , Taeckyung Lee , Sorn Chottananurak , Sung-Ju Lee

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

This paper introduces ReservoirTTA, a novel plug-in framework designed for prolonged test-time adaptation (TTA) in scenarios where the test domain continuously shifts over time, including cases where domains recur or evolve gradually. At…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Guillaume Vray , Devavrat Tomar , Xufeng Gao , Jean-Philippe Thiran , Evan Shelhamer , Behzad Bozorgtabar

Continual Test-Time Adaptation (CTTA) task investigates effective domain adaptation under the scenario of continuous domain shifts during testing time. Due to the utilization of solely unlabeled samples, there exists significant uncertainty…

Machine Learning · Computer Science 2025-12-18 Fan Lyu , Kaile Du , Yuyang Li , Hanyu Zhao , Fuyuan Hu , Zhang Zhang , Guangcan Liu , Liang Wang

Since experiencing domain shifts during test-time is inevitable in practice, test-time adaption (TTA) continues to adapt the model after deployment. Recently, the area of continual and gradual test-time adaptation (TTA) emerged. In contrast…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Mario Döbler , Robert A. Marsden , Bin Yang

Pretrained vision-language models (VLMs) like CLIP show strong zero-shot performance but struggle with generalization under distribution shifts. Test-Time Adaptation (TTA) addresses this by adapting VLMs to unlabeled test data in new…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Hamidreza Dastmalchi , Aijun An , Ali cheraghian

This paper studies continual test-time adaptation (CTTA), the task of adapting a model to constantly changing unseen domains in testing while preserving previously learned knowledge. Existing CTTA methods mostly focus on adaptation to the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Sohyun Lee , Nayeong Kim , Juwon Kang , Seong Joon Oh , Suha Kwak

Test-time adaptation (TTA) allows a model to be adapted to an unseen domain without accessing the source data. Due to the nature of practical environments, TTA has a limited amount of data for adaptation. Recent TTA methods further restrict…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Younggeol Cho , Youngrae Kim , Junho Yoon , Seunghoon Hong , Dongman Lee

Test-time adaptation (TTA) aims to adapt a pretrained model to distribution shifts using only unlabeled test data. While promising, existing methods like Tent suffer from instability and can catastrophically forget the source knowledge,…

Machine Learning · Computer Science 2025-10-08 Harshil Vejendla

Test-time adaptation (TTA) aims to adapt a model, initially trained on training data, to test data with potential distribution shifts. Most existing TTA methods focus on classification problems. The pronounced success of classification…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Chang'an Yi , Haotian Chen , Yifan Zhang , Yonghui Xu , Yan Zhou , Lizhen Cui

Deep classifiers may encounter significant performance degradation when processing unseen testing data from varying centers, vendors, and protocols. Ensuring the robustness of deep models against these domain shifts is crucial for their…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Yuhao Huang , Xin Yang , Xiaoqiong Huang , Xinrui Zhou , Haozhe Chi , Haoran Dou , Xindi Hu , Jian Wang , Xuedong Deng , Dong Ni

Since distribution shifts are likely to occur during test-time and can drastically decrease the model's performance, online test-time adaptation (TTA) continues to update the model after deployment, leveraging the current test data.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Robert A. Marsden , Mario Döbler , Bin Yang

Deep learning models perform poorly when domain shifts exist between training and test data. Test-time adaptation (TTA) is a paradigm to mitigate this issue by adapting pre-trained models using only unlabeled test samples. However, existing…

Machine Learning · Computer Science 2025-05-27 Taeckyung Lee , Sorn Chottananurak , Junsu Kim , Jinwoo Shin , Taesik Gong , Sung-Ju Lee

Test-time adaptation (TTA) has emerged as a promising solution to tackle the continual domain shift in machine learning by allowing model parameters to change at test time, via self-supervised learning on unlabeled testing data. At the same…

Machine Learning · Computer Science 2024-12-03 Trung-Hieu Hoang , Duc Minh Vo , Minh N. Do

Deep neural networks demonstrate strong performance under aligned training-test distributions. However, real-world test data often exhibit domain shifts. Test-Time Adaptation (TTA) addresses this challenge by adapting the model to test data…

Artificial Intelligence · Computer Science 2025-08-27 Byung-Joon Lee , Jin-Seop Lee , Jee-Hyong Lee

Test-time adaptation (TTA) aims to adapt models to maintain reliable performance on non-stationary test streams without requiring labeled data. Despite its empirical success, the learnability of TTA under non-stationary streams remains…

Machine Learning · Computer Science 2026-05-28 Zhi Zhou , Ming Yang , Shi-Yu Tian , Kun-Yang Yu , Lan-Zhe Guo , Yu-Feng Li

Given a model trained on source data, Test-Time Adaptation (TTA) enables adaptation and inference in test data streams with domain shifts from the source. Current methods predominantly optimize the model for each incoming test data batch…

Machine Learning · Computer Science 2024-07-18 Ziqiang Wang , Zhixiang Chi , Yanan Wu , Li Gu , Zhi Liu , Konstantinos Plataniotis , Yang Wang

Continual test-time domain adaptation (CTTA) aims to adjust models so that they can perform well over time across non-stationary environments. While previous methods have made considerable efforts to optimize the adaptation process, a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Yanshuo Wang , Jinguang Tong , Jun Lan , Weiqiang Wang , Huijia Zhu , Haoxing Chen , Xuesong Li , Jie Hong

Test-time adaptation (TTA) is a technique aimed at enhancing the generalization performance of models by leveraging unlabeled samples solely during prediction. Given the need for robustness in neural network systems when faced with…

Machine Learning · Computer Science 2023-07-07 Yongcan Yu , Lijun Sheng , Ran He , Jian Liang

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