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Vision-language models (VLMs) such as CLIP exhibit strong Out-of-distribution (OOD) detection capabilities by aligning visual and textual representations. Recent CLIP-based test-time adaptation methods further improve detection performance…

计算与语言 · 计算机科学 2026-04-20 Jinlun Ye , Jiang Liao , Runhe Lai , Xinhua Lu , Jiaxin Zhuang , Zhiyong Gan , Ruixuan Wang

Partially-supervised multi-organ medical image segmentation aims to develop a unified semantic segmentation model by utilizing multiple partially-labeled datasets, with each dataset providing labels for a single class of organs. However,…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Xixi Jiang , Dong Zhang , Xiang Li , Kangyi Liu , Kwang-Ting Cheng , Xin Yang

Recent studies have proposed different methods to improve multilingual word representations in contextualized settings including techniques that align between source and target embedding spaces. For contextualized embeddings, alignment…

计算与语言 · 计算机科学 2026-03-20 Sawsan Alqahtani , Garima Lalwani , Yi Zhang , Salvatore Romeo , Saab Mansour

Adapting models deployed to test distributions can mitigate the performance degradation caused by distribution shifts. However, privacy concerns may render model parameters inaccessible. One promising approach involves utilizing…

机器学习 · 计算机科学 2023-10-18 Zige Wang , Yonggang Zhang , Zhen Fang , Long Lan , Wenjing Yang , Bo Han

Prior research on out-of-distribution detection (OoDD) has primarily focused on single-modality models. Recently, with the advent of large-scale pretrained vision-language models such as CLIP, OoDD methods utilizing such multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Jeonghyeon Kim , Sangheum Hwang

We consider the problem of active domain adaptation (ADA) to unlabeled target data, of which subset is actively selected and labeled given a budget constraint. Inspired by recent analysis on a critical issue from label distribution mismatch…

机器学习 · 计算机科学 2022-08-16 Sehyun Hwang , Sohyun Lee , Sungyeon Kim , Jungseul Ok , Suha Kwak

In this paper, we tackle the inductive semi-supervised learning problem that aims to obtain label predictions for out-of-sample data. The proposed approach, called Optimal Transport Induction (OTI), extends efficiently an optimal transport…

机器学习 · 统计学 2021-12-15 Mourad El Hamri , Younès Bennani , Issam Falih

Recent advancements in dense out-of-distribution (OOD) detection have primarily focused on scenarios where the training and testing datasets share a similar domain, with the assumption that no domain shift exists between them. However, in…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Zhitong Gao , Shipeng Yan , Xuming He

Speech Large Language Models have achieved breakthroughs in multilingual speech-to-text translation. However, existing approaches often overlook semantic commonalities across source languages, leading to biased translation performance. In…

Transferring knowledge learned from the labeled source domain to the raw target domain for unsupervised domain adaptation (UDA) is essential to the scalable deployment of autonomous driving systems. State-of-the-art methods in UDA often…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Lingdong Kong , Niamul Quader , Venice Erin Liong

Domain adaptation (DA) is a representation learning methodology that transfers knowledge from a label-sufficient source domain to a label-scarce target domain. While most of early methods are focused on unsupervised DA (UDA), several…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Yoonhyung Kim , Changick Kim

Optimal transport (OT) has gained popularity due to its various applications in fields such as machine learning, statistics, and signal processing. However, the balanced mass requirement limits its performance in practical problems. To…

机器学习 · 计算机科学 2024-04-24 Yikun Bai , Ivan Medri , Rocio Diaz Martin , Rana Muhammad Shahroz Khan , Soheil Kolouri

Unsupervised domain adaptation (UDA) has proven to be very effective in transferring knowledge obtained from a source domain with labeled data to a target domain with unlabeled data. Owing to the lack of labeled data in the target domain…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Qing Yu , Go Irie , Kiyoharu Aizawa

Test-time adaptation (TTA) aims to adapt a trained classifier using online unlabeled test data only, without any information related to the training procedure. Most existing TTA methods adapt the trained classifier using the classifier's…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Minguk Jang , Sae-Young Chung , Hye Won Chung

By leveraging data from a fully labeled source domain, unsupervised domain adaptation (UDA) improves classification performance on an unlabeled target domain through explicit discrepancy minimization of data distribution or adversarial…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Shengjia Zhang , Tiancheng Lin , Yi Xu

Semantically coherent out-of-distribution detection (SCOOD) is a recently proposed realistic OOD detection setting: given labeled in-distribution (ID) data and mixed in-distribution and out-of-distribution unlabeled data as the training…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Zhimao Peng , Enguang Wang , Xialei Liu , Ming-Ming Cheng

Unsupervised domain adaption (UDA) is a transfer learning task where the data and annotations of the source domain are available but only have access to the unlabeled target data during training. Most previous methods try to minimise the…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Xinyao Shu , Shiyang Yan , Zhenyu Lu , Xinshao Wang , Yuan Xie

Domain adaptation aims to transfer knowledge from a labeled source domain to an unlabeled target domain with different distributions. In real-world scenarios, the label spaces of the two domains often have an inclusion relationship, where…

人工智能 · 计算机科学 2026-05-08 Chuan-Xian Ren , Cheng-Jun Guo , Hong Yan

Unsupervised action segmentation has recently pushed its limits with ASOT, an optimal transport (OT)-based method that simultaneously learns action representations and performs clustering using pseudo-labels. Unlike other OT-based…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Elena Bueno-Benito , Mariella Dimiccoli

Semi-supervised domain adaptation (SSDA) methods have demonstrated great potential in large-scale image classification tasks when massive labeled data are available in the source domain but very few labeled samples are provided in the…

计算机视觉与模式识别 · 计算机科学 2020-12-07 Zhiyong Huang , Kekai Sheng , Weiming Dong , Xing Mei , Chongyang Ma , Feiyue Huang , Dengwen Zhou , Changsheng Xu