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Unsupervised Domain Adaptation (UDA) addresses the problem of performance degradation due to domain shift between training and testing sets, which is common in computer vision applications. Most existing UDA approaches are based on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Songsong Wu , Yan Yan , Hao Tang , Jianjun Qian , Jian Zhang , Xiao-Yuan Jing

Transfer learning has achieved promising results by leveraging knowledge from the source domain to annotate the target domain which has few or none labels. Existing methods often seek to minimize the distribution divergence between domains,…

Machine Learning · Computer Science 2018-07-03 Jindong Wang , Yiqiang Chen , Shuji Hao , Wenjie Feng , Zhiqi Shen

Unsupervised domain adaptation (UDA) is a pivotal form in machine learning to extend the in-domain model to the distinctive target domains where the data distributions differ. Most prior works focus on capturing the inter-domain…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Zhiqing Xiao , Haobo Wang , Ying Jin , Lei Feng , Gang Chen , Fei Huang , Junbo Zhao

Deep learning (DL) techniques are highly effective for defect detection from images. Training DL classification models, however, requires vast amounts of labeled data which is often expensive to collect. In many cases, not only the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Adrian Shuai Li , Elisa Bertino , Rih-Teng Wu , Ting-Yan Wu

Multi-Source Domain Adaptation (MSDA) focuses on transferring the knowledge from multiple source domains to the target domain, which is a more practical and challenging problem compared to the conventional single-source domain adaptation.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Minghao Xu , Hang Wang , Bingbing Ni

Estimating a sparse covariance matrix is a fundamental problem in high-dimensional statistics. However, thresholding methods developed for independent data are generally not directly applicable to high-dimensional time series, where…

Methodology · Statistics 2026-05-15 Wenhao Zhang , Zhaoxing Gao

Multi-source unsupervised domain adaptation (MS-UDA) for sentiment analysis (SA) aims to leverage useful information in multiple source domains to help do SA in an unlabeled target domain that has no supervised information. Existing…

Computation and Language · Computer Science 2020-06-11 Yong Dai , Jian Liu , Xiancong Ren , Zenglin Xu

The human voice is a promising non-invasive digital biomarker, yet deep learning for voice-based health analysis is hindered by data scarcity and domain mismatch, where models pre-trained on general audio fail to capture the subtle…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-02 Weixin Liu , Bowen Qu , Matthew Pontell , Maria Powell , Bradley Malin , Zhijun Yin

Unsupervised domain adaptation is a promising technique for semantic segmentation and other computer vision tasks for which large-scale data annotation is costly and time-consuming. In semantic segmentation, it is attractive to train models…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Luke Melas-Kyriazi , Arjun K. Manrai

It is well known that the mismatch between training (source) and test (target) data distribution will significantly decrease the performance of acoustic scene classification (ASC) systems. To address this issue, domain adaptation (DA) is…

Sound · Computer Science 2021-05-24 Dongchao Yang , Helin Wang , Yuexian Zou

Contemporary domain adaptive semantic segmentation aims to address data annotation challenges by assuming that target domains are completely unannotated. However, annotating a few target samples is usually very manageable and worthwhile…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Jiaxing Huang , Dayan Guan , Aoran Xiao , Shijian Lu

Self-supervised adaptation (SSA) improves foundation model transfer to medical domains but is computationally prohibitive. Although parameter efficient fine-tuning methods such as LoRA have been explored for supervised adaptation, their…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Moein Sorkhei , Emir Konuk , Jingyu Guo , Chanjuan Meng , Christos Matsoukas , Kevin Smith

As time series data become increasingly prevalent in domains such as manufacturing, IT, and infrastructure monitoring, anomaly detection must adapt to nonstationary environments where statistical properties shift over time. Traditional…

Machine Learning · Computer Science 2025-08-12 Muyan Anna Li , Aditi Gautam

Deep neural networks have been shown as a class of useful tools for addressing signal recognition issues in recent years, especially for identifying the nonlinear feature structures of signals. However, this power of most deep learning…

Machine Learning · Computer Science 2021-06-15 Yihong Dong , Ying Peng , Muqiao Yang , Songtao Lu , Qingjiang Shi

We present a novel unsupervised domain adaptation (DA) method for cross-domain visual recognition. Though subspace methods have found success in DA, their performance is often limited due to the assumption of approximating an entire dataset…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Kowshik Thopalli , Rushil Anirudh , Jayaraman J. Thiagarajan , Pavan Turaga

Unsupervised domain adaptation methods seek to generalize effectively on unlabeled test data, especially when encountering the common challenge in time series data that distribution shifts occur between training and testing datasets. In…

Machine Learning · Computer Science 2025-08-27 Weide Liu , Xiaoyang Zhong , Lu Wang , Jingwen Hou , Yuemei Luo , Jiebin Yan , Yuming Fang

Domain Adaptation (DA) provides an effective way to tackle target-domain tasks by leveraging knowledge learned from source domains. Recent studies have extended this paradigm to Multi-Source Domain Adaptation (MSDA), which exploits multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Juepeng Zheng , Peifeng Zhang , Yibin Wen , Qingmei Li , Yang Zhang , Haohuan Fu

Adapting large-scale pre-trained generative models in a parameter-efficient manner is gaining traction. Traditional methods like low rank adaptation achieve parameter efficiency by imposing constraints but may not be optimal for tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Xinxi Zhang , Song Wen , Ligong Han , Felix Juefei-Xu , Akash Srivastava , Junzhou Huang , Hao Wang , Molei Tao , Dimitris N. Metaxas

Radar signal recognition (RSR) plays a pivotal role in electronic warfare (EW), as accurately classifying radar signals is critical for informing decision-making. Recent advances in deep learning have shown significant potential in…

Machine Learning · Computer Science 2025-07-16 Zi Huang , Simon Denman , Akila Pemasiri , Clinton Fookes , Terrence Martin

Accurate segmentation of organelle instances from electron microscopy (EM) images plays an essential role in many neuroscience researches. However, practical scenarios usually suffer from high annotation costs, label scarcity, and large…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Dafei Qiu , Shan Xiong , Jiajin Yi , Jialin Peng