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Related papers: Online Adaptation to Label Distribution Shift

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Distribution shift, a change in the statistical properties of data over time, poses a critical challenge for deep learning anomaly detection systems. Existing anomaly detection systems often struggle to adapt to these shifts. Specifically,…

Cryptography and Security · Computer Science 2026-05-19 Ehssan Mousavipour , Andrey Dimanchev , Majid Ghaderi

We consider the problem of online learning in the presence of distribution shifts that occur at an unknown rate and of unknown intensity. We derive a new Bayesian online inference approach to simultaneously infer these distribution shifts…

Machine Learning · Statistics 2021-10-28 Aodong Li , Alex Boyd , Padhraic Smyth , Stephan Mandt

Machine learning society has witnessed the emergence of a myriad of Out-of-Distribution (OoD) algorithms, which address the distribution shift between the training and the testing distribution by searching for a unified predictor or…

Machine Learning · Computer Science 2023-06-16 Runpeng Yu , Songhua Liu , Xingyi Yang , Xinchao Wang

Conversion rate prediction is critical to many online applications such as digital display advertising. To capture dynamic data distribution, industrial systems often require retraining models on recent data daily or weekly. However, the…

Information Retrieval · Computer Science 2023-07-25 Yifan Wang , Peijie Sun , Min Zhang , Qinglin Jia , Jingjie Li , Shaoping Ma

Out-of-distribution (OOD) detection is crucial to modern deep learning applications by identifying and alerting about the OOD samples that should not be tested or used for making predictions. Current OOD detection methods have made…

Machine Learning · Computer Science 2023-09-22 Xinheng Wu , Jie Lu , Zhen Fang , Guangquan Zhang

Data distribution shift is a common problem in machine learning-powered smart city applications where the test data differs from the training data. Augmenting smart city applications with online machine learning models can handle this issue…

Machine Learning · Computer Science 2026-02-16 Shawqi Al-Maliki , Faissal El Bouanani , Mohamed Abdallah , Junaid Qadir , Ala Al-Fuqaha

When deployed in the real world, machine learning models inevitably encounter changes in the data distribution, and certain -- but not all -- distribution shifts could result in significant performance degradation. In practice, it may make…

Machine Learning · Statistics 2022-05-06 Aleksandr Podkopaev , Aaditya Ramdas

Although multi-label learning can deal with many problems with label ambiguity, it does not fit some real applications well where the overall distribution of the importance of the labels matters. This paper proposes a novel learning…

Machine Learning · Computer Science 2016-04-06 Xin Geng

The integrity of training data, even when annotated by experts, is far from guaranteed, especially for non-IID datasets comprising both in- and out-of-distribution samples. In an ideal scenario, the majority of samples would be…

Machine Learning · Computer Science 2023-11-07 Zhilin Zhao , Longbing Cao , Chang-Dong Wang

Online continual learning, the process of training models on streaming data, has gained increasing attention in recent years. However, a critical aspect often overlooked is the label delay, where new data may not be labeled due to slow and…

Machine Learning · Computer Science 2024-04-29 Botos Csaba , Wenxuan Zhang , Matthias Müller , Ser-Nam Lim , Mohamed Elhoseiny , Philip Torr , Adel Bibi

When deploying modern machine learning-enabled robotic systems in high-stakes applications, detecting distribution shift is critical. However, most existing methods for detecting distribution shift are not well-suited to robotics settings,…

We revisit the fundamental problem of learning with distribution shift, in which a learner is given labeled samples from training distribution $D$, unlabeled samples from test distribution $D'$ and is asked to output a classifier with low…

Data Structures and Algorithms · Computer Science 2024-05-22 Adam R. Klivans , Konstantinos Stavropoulos , Arsen Vasilyan

Multi-label data stream usually contains noisy labels in the real-world applications, namely occuring in both relevant and irrelevant labels. However, existing online multi-label classification methods are mostly limited in terms of label…

Machine Learning · Computer Science 2024-10-04 Yizhang Zou , Xuegang Hu , Peipei Li , Jun Hu , You Wu

Test-time adaptation (TTA) aims to adapt a pre-trained model to the target domain in a batch-by-batch manner during inference. While label distributions often exhibit imbalances in real-world scenarios, most previous TTA approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Sunghyun Park , Seunghan Yang , Jaegul Choo , Sungrack Yun

Model-based offline reinforcement learning trains policies using pre-collected datasets and learned environment models, eliminating the need for direct real-world environment interaction. However, this paradigm is inherently challenged by…

Machine Learning · Computer Science 2025-10-28 Wang Luo , Haoran Li , Zicheng Zhang , Congying Han , Chi Zhou , Jiayu Lv , Tiande Guo

Popular zero-shot models suffer due to artifacts inherited from pretraining. One particularly detrimental issue, caused by unbalanced web-scale pretraining data, is mismatched label distribution. Existing approaches that seek to repair the…

Machine Learning · Computer Science 2024-10-31 Changho Shin , Jitian Zhao , Sonia Cromp , Harit Vishwakarma , Frederic Sala

Vision-language models (VLMs) such as CLIP exhibit strong Out-of-distribution (OOD) detection capabilities by aligning visual and textual representations. Recent CLIP-based test-time adaptation methods further improve detection performance…

Computation and Language · Computer Science 2026-04-20 Jinlun Ye , Jiang Liao , Runhe Lai , Xinhua Lu , Jiaxin Zhuang , Zhiyong Gan , Ruixuan Wang

Test-time adaptation (TTA) is an effective approach to mitigate performance degradation of trained models when encountering input distribution shifts at test time. However, existing TTA methods often suffer significant performance drops…

Machine Learning · Computer Science 2025-02-06 Minguk Jang , Hye Won Chung

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

Federated learning achieves joint training of deep models by connecting decentralized data sources, which can significantly mitigate the risk of privacy leakage. However, in a more general case, the distributions of labels among clients are…

Machine Learning · Computer Science 2022-12-20 Tao Sheng , Chengchao Shen , Yuan Liu , Yeyu Ou , Zhe Qu , Jianxin Wang