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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…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Minguk Jang , Sae-Young Chung , Hye Won Chung

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…

机器学习 · 计算机科学 2024-07-18 Ziqiang Wang , Zhixiang Chi , Yanan Wu , Li Gu , Zhi Liu , Konstantinos Plataniotis , Yang Wang

Test-time adaptation (TTA) adapts the pre-trained models to test distributions during the inference phase exclusively employing unlabeled test data streams, which holds great value for the deployment of models in real-world applications.…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Shuang Li , Longhui Yuan , Binhui Xie , Tao Yang

Deep networks are prone to performance degradation when there is a domain shift between the source (training) data and target (test) data. Recent test-time adaptation methods update batch normalization layers of pre-trained source models…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Wenyu Zhang , Li Shen , Wanyue Zhang , Chuan-Sheng Foo

Test-Time Adaptation aims to adapt source domain model to testing data at inference stage with success demonstrated in adapting to unseen corruptions. However, these attempts may fail under more challenging real-world scenarios. Existing…

机器学习 · 计算机科学 2025-03-27 Yongyi Su , Xun Xu , Kui Jia

Despite their recent success, deep neural networks continue to perform poorly when they encounter distribution shifts at test time. Many recently proposed approaches try to counter this by aligning the model to the new distribution prior to…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Samarth Sinha , Peter Gehler , Francesco Locatello , Bernt Schiele

Convolutional Neural Networks (CNNs) work very well for supervised learning problems when the training dataset is representative of the variations expected to be encountered at test time. In medical image segmentation, this premise is…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Neerav Karani , Ertunc Erdil , Krishna Chaitanya , Ender Konukoglu

Tabular data plays a vital role in various real-world scenarios and finds extensive applications. Although recent deep tabular models have shown remarkable success, they still struggle to handle data distribution shifts, leading to…

机器学习 · 计算机科学 2024-12-17 Zhi Zhou , Kun-Yang Yu , Lan-Zhe Guo , Yu-Feng Li

Covariate shift has been shown to sharply degrade both predictive accuracy and the calibration of uncertainty estimates for deep learning models. This is worrying, because covariate shift is prevalent in a wide range of real world…

机器学习 · 计算机科学 2021-01-18 Zachary Nado , Shreyas Padhy , D. Sculley , Alexander D'Amour , Balaji Lakshminarayanan , Jasper Snoek

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…

机器学习 · 计算机科学 2025-02-13 Changhun Kim , Taewon Kim , Seungyeon Woo , June Yong Yang , Eunho Yang

Despite their success in many computer vision tasks, convolutional networks tend to require large amounts of labeled data to achieve generalization. Furthermore, the performance is not guaranteed on a sample from an unseen domain at test…

计算机视觉与模式识别 · 计算机科学 2019-09-09 Ozan Ciga , Jianan Chen , Anne Martel

Test-time adaptation (TTA) addresses distribution shifts for streaming test data in unsupervised settings. Currently, most TTA methods can only deal with minor shifts and rely heavily on heuristic and empirical studies. To advance TTA under…

机器学习 · 计算机科学 2024-04-09 Shurui Gui , Xiner Li , Shuiwang Ji

Test-Time Adaptation (TTA) has recently emerged as a promising approach for tackling the robustness challenge under distribution shifts. However, the lack of consistent settings and systematic studies in prior literature hinders thorough…

机器学习 · 计算机科学 2023-06-07 Hao Zhao , Yuejiang Liu , Alexandre Alahi , Tao Lin

Test-time adaptation (TTA) effectively counters distribution shifts but exposes models to adversarial manipulation via the unlabeled test stream. Existing class-wise targeted attacks remain impractical for stealthy exploitation in this…

机器学习 · 计算机科学 2026-05-25 Phuc Duc Nguyen , Quang Duc Nguyen

Domain shift is a common problem in the realistic world, where training data and test data follow different data distributions. To deal with this problem, fully test-time adaptation (TTA) leverages the unlabeled data encountered during test…

人工智能 · 计算机科学 2024-04-29 Guoliang Lin , Hanjiang Lai , Yan Pan , Jian Yin

Test-time Adaptation (TTA) aims to improve model performance when the model encounters domain changes after deployment. The standard TTA mainly considers the case where the target domain is static, while the continual TTA needs to undergo a…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Xinru Meng , Han Sun , Jiamei Liu , Ningzhong Liu , Huiyu Zhou

Recent reports suggest that a generic supervised deep CNN model trained on a large-scale dataset reduces, but does not remove, dataset bias. Fine-tuning deep models in a new domain can require a significant amount of labeled data, which for…

计算机视觉与模式识别 · 计算机科学 2015-10-09 Eric Tzeng , Judy Hoffman , Trevor Darrell , Kate Saenko

Node classification is of great importance among various graph mining tasks. In practice, real-world graphs generally follow the long-tail distribution, where a large number of classes only consist of limited labeled nodes. Although Graph…

机器学习 · 计算机科学 2022-06-27 Song Wang , Kaize Ding , Chuxu Zhang , Chen Chen , Jundong Li

Deep neural networks have shown promising results for various clinical prediction tasks. However, training deep networks such as those based on Recurrent Neural Networks (RNNs) requires large labeled data, significant hyper-parameter tuning…

机器学习 · 计算机科学 2021-03-05 Priyanka Gupta , Pankaj Malhotra , Jyoti Narwariya , Lovekesh Vig , Gautam Shroff

Deep neural network models have demonstrated their effectiveness in classifying multi-label data from various domains. Typically, they employ a training mode that combines mini-batches with optimizers, where each sample is randomly selected…

机器学习 · 计算机科学 2024-03-28 Ao Zhou , Bin Liu , Jin Wang , Grigorios Tsoumakas