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Domain Adaptation (DA) is always challenged by the spurious correlation between domain-invariant features (e.g., class identity) and domain-specific features (e.g., environment) that does not generalize to the target domain. Unfortunately,…

机器学习 · 计算机科学 2023-12-05 Zhongqi Yue , Hanwang Zhang , Qianru Sun

Universal Domain Adaptation (UniDA) targets knowledge transfer in the presence of both covariate and label shifts. Recently, Source-free Universal Domain Adaptation (SF-UniDA) has emerged to achieve UniDA without access to source data,…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Sanqing Qu , Tianpei Zou , Lianghua He , Florian Röhrbein , Alois Knoll , Guang Chen , Changjun Jiang

In this work, we tackle the problem of unsupervised domain adaptation (UDA) for video action recognition. Our approach, which we call UNITE, uses an image teacher model to adapt a video student model to the target domain. UNITE first…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Arun Reddy , William Paul , Corban Rivera , Ketul Shah , Celso M. de Melo , Rama Chellappa

Class imbalance naturally exists when train and test models in different domains. Unsupervised domain adaptation (UDA) augments model performance with only accessible annotations from the source domain and unlabeled data from the target…

计算与语言 · 计算机科学 2022-05-27 Yuexin Wu , Xiaolei Huang

Unsupervised Domain Adaptation (UDA) aims to adapt a model trained on a labeled source domain to an unlabeled target domain by addressing the domain shift. Existing Unsupervised Domain Adaptation (UDA) methods often fall short in fully…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Junzhou Chen , Xuan Wen , Ronghui Zhang , Bingtao Ren , Di Wu , Zhigang Xu , Danwei Wang

Universal Domain Adaptation (UniDA) addresses unsupervised domain adaptation where target classes may differ arbitrarily from source ones, except for a shared subset. A widely used approach, partial domain matching (PDM), aligns only shared…

机器学习 · 计算机科学 2025-07-08 Hung-Chieh Fang , Po-Yi Lu , Hsuan-Tien Lin

In this paper, we propose LiOn-XA, an unsupervised domain adaptation (UDA) approach that combines LiDAR-Only Cross-Modal (X) learning with Adversarial training for 3D LiDAR point cloud semantic segmentation to bridge the domain gap arising…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Thomas Kreutz , Jens Lemke , Max Mühlhäuser , Alejandro Sanchez Guinea

Annotating large scale datasets to train modern convolutional neural networks is prohibitively expensive and time-consuming for many real tasks. One alternative is to train the model on labeled synthetic datasets and apply it in the real…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Yuhu Shan , Wen Feng Lu , Chee Meng Chew

Unsupervised domain adaptation (UDA) is a technique used to transfer knowledge from a labeled source domain to a different but related unlabeled target domain. While many UDA methods have shown success in the past, they often assume that…

机器学习 · 计算机科学 2023-02-07 Yiling Liu , Juncheng Dong , Ziyang Jiang , Ahmed Aloui , Keyu Li , Hunter Klein , Vahid Tarokh , David Carlson

Collecting real-world optical flow datasets is a formidable challenge due to the high cost of labeling. A shortage of datasets significantly constrains the real-world performance of optical flow models. Building virtual datasets that…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Miaojie Feng , Longliang Liu , Hao Jia , Gangwei Xu , Xin Yang

Domain adaptation aims to leverage the supervision signal of source domain to obtain an accurate model for target domain, where the labels are not available. To leverage and adapt the label information from source domain, most existing…

机器学习 · 计算机科学 2019-11-22 Yuxuan Song , Lantao Yu , Zhangjie Cao , Zhiming Zhou , Jian Shen , Shuo Shao , Weinan Zhang , Yong Yu

Methods for unsupervised domain adaptation (UDA) help to improve the performance of deep neural networks on unseen domains without any labeled data. Especially in medical disciplines such as histopathology, this is crucial since large…

计算机视觉与模式识别 · 计算机科学 2023-02-03 Kevin Thandiackal , Luigi Piccinelli , Pushpak Pati , Orcun Goksel

Universal domain adaptation (UniDA) is a practical but challenging problem, in which information about the relation between the source and the target domains is not given for knowledge transfer. Existing UniDA methods may suffer from the…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Yanzuo Lu , Meng Shen , Andy J Ma , Xiaohua Xie , Jian-Huang Lai

Unsupervised domain adaptation (UDA) plays a crucial role in object detection when adapting a source-trained detector to a target domain without annotated data. In this paper, we propose a novel and effective four-step UDA approach that…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Mohamed L. Mekhalfi , Davide Boscaini , Fabio Poiesi

Unsupervised domain adaptation is one of the challenging problems in computer vision. This paper presents a novel approach to unsupervised domain adaptations based on the optimal transport-based distance. Our approach allows aligning target…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Thanh-Dat Truong , Naga Venkata Sai Raviteja Chappa , Xuan Bac Nguyen , Ngan Le , Ashley Dowling , Khoa Luu

Unsupervised domain adaptation (UDA) for semantic segmentation is a promising task freeing people from heavy annotation work. However, domain discrepancies in low-level image statistics and high-level contexts compromise the segmentation…

计算机视觉与模式识别 · 计算机科学 2023-01-04 Haoyu Ma , Xiangru Lin , Yizhou Yu

In this report, we present the technical details of our submission to the EPIC-KITCHENS-100 Unsupervised Domain Adaptation (UDA) Challenge for Action Recognition 2022. This task aims to adapt an action recognition model trained on a labeled…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Yi Cheng , Dongyun Lin , Fen Fang , Hao Xuan Woon , Qianli Xu , Ying Sun

Given labeled instances on a source domain and unlabeled ones on a target domain, unsupervised domain adaptation aims to learn a task classifier that can well classify target instances. Recent advances rely on domain-adversarial training of…

计算机视觉与模式识别 · 计算机科学 2019-12-18 Hui Tang , Kui Jia

Adversarial discriminative domain adaptation (ADDA) is an efficient framework for unsupervised domain adaptation in image classification, where the source and target domains are assumed to have the same classes, but no labels are available…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Aaron Chadha , Yiannis Andreopoulos

Deep learning based medical image diagnosis has shown great potential in clinical medicine. However, it often suffers two major difficulties in real-world applications: 1) only limited labels are available for model training, due to…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Yifan Zhang , Ying Wei , Qingyao Wu , Peilin Zhao , Shuaicheng Niu , Junzhou Huang , Mingkui Tan