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Test-time domain adaptation aims to adapt a source pre-trained model to a target domain without using any source data. Existing works mainly consider the case where the target domain is static. However, real-world machine perception systems…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Qin Wang , Olga Fink , Luc Van Gool , Dengxin Dai

Training data are usually limited or heterogeneous in many chemical and biological applications. Existing machine learning models for chemistry and materials science fail to consider generalizing beyond training domains. In this article, we…

机器学习 · 计算机科学 2023-10-31 Fang Wu , Nicolas Courty , Shuting Jin , Stan Z. Li

Source-free test-time adaptation (TTA) is appealing for mobile and wearable sensing because it enables on-device personalization from unlabeled test streams without centralizing private data. However, sensor-based human activity recognition…

人工智能 · 计算机科学 2026-04-29 Changyu Li , Lu Wang , Ming Lei , Jiashen Liu , Yichen Zhang , Kaishun Wu , Fei Luo

Cross-domain time series imputation is an underexplored data-centric research task that presents significant challenges, particularly when the target domain suffers from high missing rates and domain shifts in temporal dynamics. Existing…

机器学习 · 计算机科学 2025-06-17 Kexin Zhang , Baoyu Jing , K. Selçuk Candan , Dawei Zhou , Qingsong Wen , Han Liu , Kaize Ding

Prior to the deployment of robotic systems, pre-training the deep-recognition models on all potential visual cases is infeasible in practice. Hence, test-time adaptation (TTA) allows the model to adapt itself to novel environments and…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Junha Song , Kwanyong Park , InKyu Shin , Sanghyun Woo , Chaoning Zhang , In So Kweon

Domain shift poses a significant challenge in cross-domain spoken language recognition (SLR) by reducing its effectiveness. Unsupervised domain adaptation (UDA) algorithms have been explored to address domain shifts in SLR without relying…

音频与语音处理 · 电气工程与系统科学 2023-10-23 Xugang Lu , Peng Shen , Yu Tsao , Hisashi Kawai

In this paper, we propose a self-supervised learning solution for human activity recognition with smartphone accelerometer data. We aim to develop a model that learns strong representations from accelerometer signals, in order to perform…

信号处理 · 电气工程与系统科学 2024-10-28 Setareh Rahimi Taghanaki , Michael Rainbow , Ali Etemad

In physical Human-Robot Collaboration (pHRC), accurate human intent estimation and rational human-robot role allocation are crucial for safe and efficient assistance. Existing methods that rely on short-term motion data for intention…

机器人学 · 计算机科学 2025-05-27 Haotian Liu , Yuchuang Tong , Zhengtao Zhang

Autonomous robotic systems should reason about resource control and its impact on subsequent maneuvers, especially when operating with limited energy budgets or restricted sensing. Learning-based control is effective in handling complex…

机器人学 · 计算机科学 2026-02-24 Hoseong Jung , Sungil Son , Daesol Cho , Jonghae Park , Changhyun Choi , H. Jin Kim

Deep learning-based medical image segmentation models often face performance degradation when deployed across various medical centers, largely due to the discrepancies in data distribution. Test Time Adaptation (TTA) methods, which adapt…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Shishuai Hu , Zehui Liao , Zeyou Liu , Yong Xia

Language use differs between domains and even within a domain, language use changes over time. For pre-trained language models like BERT, domain adaptation through continued pre-training has been shown to improve performance on in-domain…

计算与语言 · 计算机科学 2021-09-09 Paul Röttger , Janet B. Pierrehumbert

Since autonomous driving systems usually face dynamic and ever-changing environments, continual test-time adaptation (CTTA) has been proposed as a strategy for transferring deployed models to continually changing target domains. However,…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Jiayi Ni , Senqiao Yang , Ran Xu , Jiaming Liu , Xiaoqi Li , Wenyu Jiao , Zehui Chen , Yi Liu , Shanghang Zhang

The problem of human activity recognition is central for understanding and predicting the human behavior, in particular in a prospective of assistive services to humans, such as health monitoring, well being, security, etc. There is…

机器学习 · 统计学 2013-12-30 Faicel Chamroukhi , Samer Mohammed , Dorra Trabelsi , Latifa Oukhellou , Yacine Amirat

Universal Domain Adaptation (UniDA) aims to transfer knowledge from a labeled source domain to an unlabeled target domain, even when their classes are not fully shared. Few dedicated UniDA methods exist for Time Series (TS), which remains a…

机器学习 · 计算机科学 2026-04-07 Romain Mussard , Fannia Pacheco , Maxime Berar , Gilles Gasso , Paul Honeine

Robustness to domain changes is a key capability for effective deployment of human action recognition systems in real-world scenarios, where action categories at inference can present important domain shifts or even unseen actions from…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Yannick Porto , Renato Martins , Thomas Chalumeau , Cedric Demonceaux

In this paper, we propose to tackle the problem of reducing discrepancies between multiple domains referred to as multi-source domain adaptation and consider it under the target shift assumption: in all domains we aim to solve a…

机器学习 · 统计学 2019-03-15 Ievgen Redko , Nicolas Courty , Rémi Flamary , Devis Tuia

Human behavior has the nature of mutual dependencies, which requires human-robot interactive systems to predict surrounding agents trajectories by modeling complex social interactions, avoiding collisions and executing safe path planning.…

机器人学 · 计算机科学 2026-04-21 Yuxiang Zhao , Wei Huang , Haipeng Zeng , Huan Zhao , Yujie Song

Machine learning traditionally assumes that the training and testing data are distributed independently and identically. However, in many real-world settings, the data distribution can shift over time, leading to poor generalization of…

机器学习 · 计算机科学 2024-02-19 Sepidehsadat Hosseini , Mengyao Zhai , Hossein Hajimirsadegh , Frederick Tung

Human activity recognition (HAR) in smart homes remains challenging because many daily activities exhibit similar local sensor patterns, while minimally intrusive sensing provides sparse and ambiguous observations. As a result, methods…

With the rapid development of online education system, knowledge tracing which aims at predicting students' knowledge state is becoming a critical and fundamental task in personalized education. Traditionally, existing methods are…

机器学习 · 计算机科学 2020-01-15 Song Cheng , Qi Liu , Enhong Chen