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Convolutional neural networks and supervised learning have achieved remarkable success in various fields but are limited by the need for large annotated datasets. Few-shot learning (FSL) addresses this limitation by enabling models to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Yang Liu , Feixiang Liu , Jiale Du , Xinbo Gao , Jungong Han

Domain adaptation (DA) aims to transfer the knowledge learned from a source domain to an unlabeled target domain. Some recent works tackle source-free domain adaptation (SFDA) where only a source pre-trained model is available for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Shiqi Yang , Yaxing Wang , Joost van de Weijer , Luis Herranz , Shangling Jui

Cross-domain few-shot learning (CD-FSL) requires models to generalize from limited labeled samples under significant distribution shifts. While recent methods enhance adaptability through lightweight task-specific modules, they operate…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Ruixiao Shi , Fu Feng , Yucheng Xie , Jing Wang , Xin Geng

Unsupervised domain adaptation (UDA) via deep learning has attracted appealing attention for tackling domain-shift problems caused by distribution discrepancy across different domains. Existing UDA approaches highly depend on the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Yuqi Fang , Pew-Thian Yap , Weili Lin , Hongtu Zhu , Mingxia Liu

The success of deep convolutional neural networks (DCNNs) benefits from high volumes of annotated data. However, annotating medical images is laborious, expensive, and requires human expertise, which induces the label scarcity problem.…

Image and Video Processing · Electrical Eng. & Systems 2022-03-24 Ziyuan Zhao , Kaixin Xu , Shumeng Li , Zeng Zeng , Cuntai Guan

Segmenting images is critical for visual understanding but demands extensive pixel-level annotations. Foundational models have enabled new paradigms for predicting new classes guided by textual prompts, without annotations from the target…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Gabriele Rosi , Fabio Cermelli , Carlo Masone , Barbara Caputo

Domain Adaptation (DA) aims to generalize the classifier learned from the source domain to the target domain. Existing DA methods usually assume that rich labels could be available in the source domain. However, there are usually a large…

Computer Vision and Pattern Recognition · Computer Science 2020-05-11 Wei Wang , Zhihui Wang , Yuankai Xiang , Jing Sun , Haojie Li , Fuming Sun , Zhengming Ding

Unsupervised domain adaptation (UDA) is to learn classification models that make predictions for unlabeled data on a target domain, given labeled data on a source domain whose distribution diverges from the target one. Mainstream UDA…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Hui Tang , Xiatian Zhu , Ke Chen , Kui Jia , C. L. Philip Chen

Learning models on one labeled dataset that generalize well on another domain is a difficult task, as several shifts might happen between the data domains. This is notably the case for lidar data, for which models can exhibit large…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Björn Michele , Alexandre Boulch , Gilles Puy , Tuan-Hung Vu , Renaud Marlet , Nicolas Courty

Source-Free Unsupervised Domain Adaptation (SFUDA) is a challenging task where a model needs to be adapted to a new domain without access to target domain labels or source domain data. The primary difficulty in this task is that the model's…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Yangyang Shu , Xiaofeng Cao , Qi Chen , Bowen Zhang , Ziqin Zhou , Anton van den Hengel , Lingqiao Liu

We study the problem of few-shot graph classification across domains with nonequivalent feature spaces by introducing three new cross-domain benchmarks constructed from publicly available datasets. We also propose an attention-based graph…

Machine Learning · Computer Science 2022-01-21 Kaveh Hassani

Source-free Unsupervised Domain Adaptation (SFDA) aims to classify target samples by only accessing a pre-trained source model and unlabelled target samples. Since no source data is available, transferring the knowledge from the source…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Jinkun Jiang , Qingxuan Lv , Yuezun Li , Yong Du , Sheng Chen , Hui Yu , Junyu Dong

Robotic Perception in diverse domains such as low-light scenarios, where new modalities like thermal imaging and specialized night-vision sensors are increasingly employed, remains a challenge. Largely, this is due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Anirudha Ramesh , Anurag Ghosh , Christoph Mertz , Jeff Schneider

Labeling data is often expensive and time-consuming, especially for tasks such as object detection and instance segmentation, which require dense labeling of the image. While few-shot object detection is about training a model on novel…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Gabriel Huang , Issam Laradji , David Vazquez , Simon Lacoste-Julien , Pau Rodriguez

Domain adaptation is essential for activity recognition to ensure accurate and robust performance across diverse environments, sensor types, and data sources. Unsupervised domain adaptation methods have been extensively studied, yet, they…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Kunyu Peng , Di Wen , David Schneider , Jiaming Zhang , Kailun Yang , M. Saquib Sarfraz , Rainer Stiefelhagen , Alina Roitberg

The domain discrepancy existed between medical images acquired in different situations renders a major hurdle in deploying pre-trained medical image segmentation models for clinical use. Since it is less possible to distribute training data…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Shishuai Hu , Zehui Liao , Yong Xia

Person Re-Identification (ReID) across non-overlapping cameras is a challenging task and, for this reason, most works in the prior art rely on supervised feature learning from a labeled dataset to match the same person in different views.…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Gabriel Bertocco , Fernanda Andaló , Anderson Rocha

Unsupervised Domain Adaptation~(UDA) has attracted a surge of interest over the past decade but is difficult to be used in real-world applications. Considering the privacy-preservation issues and security concerns, in this work, we study a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Jiexiang Wang , Chaoqi Chen

Domain adaptation solves image classification problems in the target domain by taking advantage of the labelled source data and unlabelled target data. Usually, the source and target domains share the same set of classes. As a special case,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Qian Wang , Fanlin Meng , Toby P. Breckon

Can a pre-trained generator be adapted to the hybrid of multiple target domains and generate images with integrated attributes of them? In this work, we introduce a new task -- Few-shot Hybrid Domain Adaptation (HDA). Given a source…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Hengjia Li , Yang Liu , Linxuan Xia , Yuqi Lin , Tu Zheng , Zheng Yang , Wenxiao Wang , Xiaohui Zhong , Xiaobo Ren , Xiaofei He