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相关论文: Smoothing the Shift: Towards Stable Test-Time Adap…

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Variations in Magnetic resonance imaging (MRI) scanners and acquisition protocols cause distribution shifts that degrade reconstruction performance on unseen data. Test-time adaptation (TTA) offers a promising solution to address this…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Lipei Zhang , Rui Sun , Zhongying Deng , Yanqi Cheng , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero

We study the problem of multi-task non-smooth optimization that arises ubiquitously in statistical learning, decision-making and risk management. We develop a data fusion approach that adaptively leverages commonalities among a large number…

机器学习 · 统计学 2022-10-25 Henry Lam , Kaizheng Wang , Yuhang Wu , Yichen Zhang

Real-world systems often encounter new data over time, which leads to experiencing target domain shifts. Existing Test-Time Adaptation (TTA) methods tend to apply computationally heavy and memory-intensive backpropagation-based approaches…

Monitoring the growth of subcortical regions of the fetal brain in ultrasound (US) images can help identify the presence of abnormal development. Manually segmenting these regions is a challenging task, but recent work has shown that it can…

Multimodal fusion focuses on integrating information from multiple modalities with the goal of more accurate prediction, which has achieved remarkable progress in a wide range of scenarios, including autonomous driving and medical…

机器学习 · 计算机科学 2024-11-04 Qingyang Zhang , Yake Wei , Zongbo Han , Huazhu Fu , Xi Peng , Cheng Deng , Qinghua Hu , Cai Xu , Jie Wen , Di Hu , Changqing Zhang

Test-Time Adaptation (TTA) has emerged as an effective solution for adapting Vision Transformers (ViT) to distribution shifts without additional training data. However, existing TTA methods often incur substantial computational overhead,…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Yizhe Xiong , Zihan Zhou , Yiwen Liang , Hui Chen , Zijia Lin , Tianxiang Hao , Fan Zhang , Jungong Han , Guiguang Ding

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…

机器学习 · 计算机科学 2026-05-12 Hans Hao-Hsun Hsu , Shikun Liu , Han Zhao , Pan Li

Unsupervised Domain Adaptation (UDA) is essential for adapting machine learning models to new, unlabeled environments where data distribution shifts can degrade performance. Existing UDA algorithms are designed for single-label tasks and…

人工智能 · 计算机科学 2025-11-17 Jihoon Yun , Chengzhang Li , Dhrubojyoti Roy , Anish Arora

Reliable long-term decoding of surface electromyography (EMG) is hindered by signal drift caused by electrode shifts, muscle fatigue, and posture changes. While state-of-the-art models achieve high intra-session accuracy, their performance…

机器学习 · 计算机科学 2026-01-08 Nia Touko , Matthew O A Ellis , Cristiano Capone , Alessio Burrello , Elisa Donati , Luca Manneschi

Online adaptation to distribution shifts in satellite image segmentation stands as a crucial yet underexplored problem. In this paper, we address source-free and online domain adaptation, i.e., test-time adaptation (TTA), for satellite…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Fahim Faisal Niloy , Kishor Kumar Bhaumik , Simon S. Woo

Training on test-time data enables deep learning models to adapt to dynamic environmental changes, enhancing their practical applicability. Online adaptation from source to target domains is promising but it remains highly reliant on the…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Jisu Han , Jihee Park , Dongyoon Han , Wonjun Hwang

Test-time adaptation (TTA) has been widely explored to prevent performance degradation when test data differ from the training distribution. However, fully leveraging the rich representations of large pretrained models with minimal…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Sunghyun Baek , Jaemyung Yu , Seunghee Koh , Minsu Kim , Hyeonseong Jeon , Junmo Kim

Current test-time adaptation (TTA) approaches aim to adapt a machine learning model to environments that change continuously. Yet, it is unclear whether TTA methods can maintain their adaptability over prolonged periods. To answer this…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Trung-Hieu Hoang , Duc Minh Vo , Minh N. Do

Open-set test-time adaptation (OSTTA) addresses the challenge of adapting models to new environments where out-of-distribution (OOD) samples coexist with in-distribution (ID) samples affected by distribution shifts. In such settings,…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Wenjie Zhao , Jia Li , Xin Dong , Yapeng Tian , Yu Xiang , Yunhui Guo

A foundational requirement of a deployed ML model is to generalize to data drawn from a testing distribution that is different from training. A popular solution to this problem is to adapt a pre-trained model to novel domains using only…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Kowshik Thopalli , Pavan Turaga , Jayaraman J. Thiagarajan

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…

统计金融 · 定量金融 2026-02-03 Yurui Wu , Qingying Deng , Wonou Chung , Mairui Li

Unsupervised Domain Adaptation (UDA) leverages labeled source data to train models for unlabeled target data. Given the prevalence of multivariate time series (MTS) data across various domains, the UDA task for MTS classification has…

机器学习 · 计算机科学 2025-04-08 Xiao Lin , Zhichen Zeng , Tianxin Wei , Zhining Liu , Yuzhong chen , Hanghang Tong

Fully-test-time adaptation (F-TTA) can mitigate performance loss due to distribution shifts between train and test data (1) without access to the training data, and (2) without knowledge of the model training procedure. In online F-TTA, a…

机器学习 · 计算机科学 2023-09-11 Skyler Seto , Barry-John Theobald , Federico Danieli , Navdeep Jaitly , Dan Busbridge

Unsupervised Graph Domain Adaptation (UGDA) seeks to bridge distribution shifts between domains by transferring knowledge from labeled source graphs to given unlabeled target graphs. Existing UGDA methods primarily focus on aligning…

机器学习 · 计算机科学 2025-01-17 Wei Chen , Guo Ye , Yakun Wang , Zhao Zhang , Libang Zhang , Daixin Wang , Zhiqiang Zhang , Fuzhen Zhuang

Test-time adaption (TTA) has witnessed important progress in recent years, the prevailing methods typically first encode the image and the text and design strategies to model the association between them. Meanwhile, the image encoder is…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Yaxiong Wang , Zhenqiang Zhang , Lechao Cheng , Zhun Zhong , Dan Guo , Meng Wang