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We propose a tensor-based domain alignment (DA) algorithm designed to align source and target tensors within an invariant subspace through the use of alignment matrices. These matrices along with the subspace undergo iterative optimization…

Machine Learning · Computer Science 2026-01-27 Chong Hyun Lee , Kibae Lee , Hyun Hee Yim

Domain adaptation techniques address the problem of reducing the sensitivity of machine learning methods to the so-called domain shift, namely the difference between source (training) and target (test) data distributions. In particular,…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Pietro Morerio , Vittorio Murino

Time Series Alignment is a critical task in signal processing with numerous real-world applications. In practice, signals often exhibit temporal shifts and scaling, making classification on raw data prone to errors. This paper introduces a…

Machine Learning · Computer Science 2025-02-27 Alireza Nourbakhsh , Hoda Mohammadzade

Domain shift remains a key challenge in deploying machine learning models to the real world. Unsupervised domain adaptation (UDA) aims to address this by minimising domain discrepancy during training, but the discrepancy estimates suffer…

Machine Learning · Computer Science 2026-05-07 Andrea Napoli , Paul White

Multivariate long-term time series forecasting is critical for applications such as weather prediction, and traffic analysis. In addition, the implementation of Transformer variants has improved prediction accuracy. Following these…

Machine Learning · Computer Science 2025-05-06 Minhyuk Lee , HyeKyung Yoon , MyungJoo Kang

Unlike images and natural language tokens, time series data is highly semantically sparse, resulting in labor-intensive label annotations. Unsupervised and Semi-supervised Domain Adaptation (UDA and SSDA) have demonstrated efficiency in…

Machine Learning · Computer Science 2024-10-10 Gang Tu , Dan Li , Bingxin Lin , Zibin Zheng , See-Kiong Ng

Deep learning approaches for semantic segmentation rely primarily on supervised learning approaches and require substantial efforts in producing pixel-level annotations. Further, such approaches may perform poorly when applied to unseen…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Multi-state survival analysis (MSA) uses multi-state models for the analysis of time-to-event data. In medical applications, MSA can provide insights about the complex disease progression in patients. A key challenge in MSA is the accurate…

Machine Learning · Computer Science 2022-07-13 Md Mahmudur Rahman , Sanjay Purushotham

Domain adaptation (DA) tries to tackle the scenarios when the test data does not fully follow the same distribution of the training data, and multi-source domain adaptation (MSDA) is very attractive for real world applications. By learning…

Machine Learning · Computer Science 2024-01-17 Jin Yuan , Feng Hou , Yangzhou Du , Zhongchao Shi , Xin Geng , Jianping Fan , Yong Rui

Visual domain adaptation aims to learn robust classifiers for the target domain by leveraging knowledge from a source domain. Existing methods either attempt to align the cross-domain distributions, or perform manifold subspace learning.…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Jindong Wang , Wenjie Feng , Yiqiang Chen , Han Yu , Meiyu Huang , Philip S. Yu

Domain adaption (DA) allows machine learning methods trained on data sampled from one distribution to be applied to data sampled from another. It is thus of great practical importance to the application of such methods. Despite the fact…

Computer Vision and Pattern Recognition · Computer Science 2017-07-20 Hao Lu , Lei Zhang , Zhiguo Cao , Wei Wei , Ke Xian , Chunhua Shen , Anton van den Hengel

Electroencephalography (EEG) data is often collected from diverse contexts involving different populations and EEG devices. This variability can induce distribution shifts in the data $X$ and in the biomedical variables of interest $y$,…

Machine Learning · Statistics 2024-10-08 Apolline Mellot , Antoine Collas , Sylvain Chevallier , Alexandre Gramfort , Denis A. Engemann

Multi-source domain adaptation (MSDA) addresses the challenge of learning a label prediction function for an unlabeled target domain by leveraging both the labeled data from multiple source domains and the unlabeled data from the target…

Machine Learning · Computer Science 2025-04-03 Yuhang Liu , Zhen Zhang , Dong Gong , Mingming Gong , Biwei Huang , Anton van den Hengel , Kun Zhang , Javen Qinfeng Shi

Audio-based music structure analysis (MSA) is an essential task in Music Information Retrieval that remains challenging due to the complexity and variability of musical form. Recent advances highlight the potential of fine-tuning…

Sound · Computer Science 2025-07-21 Yixiao Zhang , Haonan Chen , Ju-Chiang Wang , Jitong Chen

Compared to unsupervised domain adaptation, semi-supervised domain adaptation (SSDA) aims to significantly improve the classification performance and generalization capability of the model by leveraging the presence of a small amount of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Jichang Li , Guanbin Li , Yizhou Yu

Multi-source domain adaptation (MSDA) methods aim to transfer knowledge from multiple labeled source domains to an unlabeled target domain. Although current methods achieve target joint distribution identifiability by enforcing minimal…

Machine Learning · Computer Science 2023-12-15 Zijian Li , Ruichu Cai , Guangyi Chen , Boyang Sun , Zhifeng Hao , Kun Zhang

Semi-Supervised Domain Adaptation (SSDA) leverages knowledge from a fully labeled source domain to classify data in a partially labeled target domain. Due to the limited number of labeled samples in the target domain, there can be intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Yuting Hong , Li Dong , Xiaojie Qiu , Hui Xiao , Baochen Yao , Siming Zheng , Chengbin Peng

In this technical report, we present our submission to the VisDA Challenge in ECCV 2020 and we achieved one of the top-performing results on the leaderboard. Our solution is based on Structured Domain Adaptation (SDA) and Mutual…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Yixiao Ge , Shijie Yu , Dapeng Chen

Deep learning (DL) has been the primary approach used in various computer vision tasks due to its relevant results achieved on many tasks. However, on real-world scenarios with partially or no labeled data, DL methods are also prone to the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Lucas Fernando Alvarenga e Silva , Daniel Carlos Guimarães Pedronette , Fábio Augusto Faria , João Paulo Papa , Jurandy Almeida

Semantic segmentation plays an important role in intelligent vehicles, providing pixel-level semantic information about the environment. However, the labeling budget is expensive and time-consuming when semantic segmentation model is…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Weihao Yan , Yeqiang Qian , Yueyuan Li , Tao Li , Chunxiang Wang , Ming Yang