English
Related papers

Related papers: CANDI: Curated Test-Time Adaptation for Multivaria…

200 papers

Test-Time Adaptation (TTA) aims to tackle distribution shifts using unlabeled test data without access to the source data. In the context of multimodal data, there are more complex noise patterns than unimodal data such as simultaneous…

Machine Learning · Computer Science 2025-03-05 Zirun Guo , Tao Jin

Test-time adaptation (TTA) is an emerging paradigm that addresses distributional shifts between training and testing phases without additional data acquisition or labeling cost; only unlabeled test data streams are used for continual model…

Machine Learning · Computer Science 2023-01-12 Taesik Gong , Jongheon Jeong , Taewon Kim , Yewon Kim , Jinwoo Shin , Sung-Ju Lee

Test-time adaptation is a promising research direction that allows the source model to adapt itself to changes in data distribution without any supervision. Yet, current methods are usually evaluated on benchmarks that are only a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Damian Sójka , Sebastian Cygert , Bartłomiej Twardowski , Tomasz Trzciński

Multivariate time series anomaly detection has become increasingly important in real-world applications, where labeled data are often scarce. Many existing approaches rely on unsupervised learning to model normal patterns, but they often…

Machine Learning · Computer Science 2026-05-25 Jaehyeop Hong , Youngbum Hur

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

Machine learning methods strive to acquire a robust model during the training process that can effectively generalize to test samples, even in the presence of distribution shifts. However, these methods often suffer from performance…

Machine Learning · Computer Science 2024-12-13 Jian Liang , Ran He , Tieniu Tan

Time series anomaly detection (TSAD) focuses on identifying whether observations in streaming data deviate significantly from normal patterns. With the prevalence of connected devices, anomaly detection on time series has become paramount,…

Machine Learning · Computer Science 2025-06-11 Samy-Melwan Vilhes , Gilles Gasso , Mokhtar Z Alaya

Continual Test-time adaptation (CTTA) continuously adapts the deployed model on every incoming batch of data. While achieving optimal accuracy, existing CTTA approaches present poor real-world applicability on resource-constrained edge…

Machine Learning · Computer Science 2026-04-21 Xiao Ma , Young D. Kwon , Dong Ma

Multimodal sentiment analysis (MSA) is an emerging research topic that aims to understand and recognize human sentiment or emotions through multiple modalities. However, in real-world dynamic scenarios, the distribution of target data is…

Machine Learning · Computer Science 2025-02-11 Zirun Guo , Tao Jin , Wenlong Xu , Wang Lin , Yangyang Wu

Time series anomaly detection (TSAD) is an evolving area of research motivated by its critical applications, such as detecting seismic activity, sensor failures in industrial plants, predicting crashes in the stock market, and so on. Across…

Accurate detection and diagnosis of abnormal behaviors such as network attacks from multivariate time series (MTS) are crucial for ensuring the stable and effective operation of industrial cyber-physical systems (CPS). However, existing…

Machine Learning · Computer Science 2024-03-06 Haili Sun , Yan Huang , Lansheng Han , Cai Fu , Chunjie Zhou

Time series anomaly detection (TSAD) is a vital yet challenging task, particularly in scenarios where labeled anomalies are scarce and temporal dependencies are complex. Recent anomaly assumption (AA) approaches alleviate the lack of…

Machine Learning · Computer Science 2025-09-09 Xudong Mou , Rui Wang , Tiejun Wang , Renyu Yang , Shiru Chen , Jie Sun , Tianyu Wo , Xudong Liu

Continual Test-Time Adaptation (CTTA) generalizes conventional Test-Time Adaptation (TTA) by assuming that the target domain is dynamic over time rather than stationary. In this paper, we explore Multi-Modal Continual Test-Time Adaptation…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Haozhi Cao , Yuecong Xu , Jianfei Yang , Pengyu Yin , Shenghai Yuan , Lihua Xie

Multivariate time series anomaly detection (MTAD) plays a vital role in a wide variety of real-world application domains. Over the past few years, MTAD has attracted rapidly increasing attention from both academia and industry. Many deep…

Machine Learning · Computer Science 2023-06-13 Feng Xia , Xin Chen , Shuo Yu , Mingliang Hou , Mujie Liu , Linlin You

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

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…

Machine Learning · Computer Science 2023-06-07 Hao Zhao , Yuejiang Liu , Alexandre Alahi , Tao Lin

Time-series anomaly detection (TSAD) is a critical component in monitoring complex systems, yet modern deep learning-based detectors are often highly sensitive to localized input corruptions and structured noise. We propose ARTA…

Machine Learning · Computer Science 2026-05-07 Hadi Hojjati , Narges Armanfard

Effective anomaly detection in time series is pivotal for modern industrial applications and financial systems. Due to the scarcity of anomaly labels and the high cost of manual labeling, reconstruction-based unsupervised approaches have…

Machine Learning · Computer Science 2025-09-25 Tiejun Wang , Rui Wang , Xudong Mou , Mengyuan Ma , Tianyu Wo , Renyu Yang , Xudong Liu

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

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Mario Döbler , Florian Marencke , Robert A. Marsden , Bin Yang

Active Test-Time Adaptation (ATTA) improves model robustness under domain shift by selectively querying human annotations at deployment, but existing methods use heuristic uncertainty measures and suffer from low data selection efficiency,…

Machine Learning · Computer Science 2025-10-01 Tingyu Shi , Fan Lyu , Shaoliang Peng