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Domain adaptation seeks to leverage the abundant label information in a source domain to improve classification performance in a target domain with limited labels. While the field has seen extensive methodological development, its…

机器学习 · 统计学 2025-07-31 Elif Vural , Huseyin Karaca

Domain adaptation has been a fundamental technology for transferring knowledge from a source domain to a target domain. The key issue of domain adaptation is how to reduce the distribution discrepancy between two domains in a proper way…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Lei Tian , Yongqiang Tang , Liangchen Hu , Zhida Ren , Wensheng Zhang

Unsupervised domain adaptation is effective in leveraging rich information from a labeled source domain to an unlabeled target domain. Though deep learning and adversarial strategy made a significant breakthrough in the adaptability of…

机器学习 · 计算机科学 2020-08-25 You-Wei Luo , Chuan-Xian Ren , Dao-Qing Dai , Hong Yan

Manifold alignment (MA) involves a set of techniques for learning shared representations across domains, yet many traditional MA methods are incapable of performing out-of-sample extension, limiting their real-world applicability. We…

Optimizing complex systems, from discovering therapeutic drugs to designing high-performance materials, remains a fundamental challenge across science and engineering, as the underlying rules are often unknown and costly to evaluate.…

机器学习 · 计算机科学 2026-01-13 Tailin Zhou , Zhilin Chen , Wenlong Lyu , Zhitang Chen , Danny H. K. Tsang , Jun Zhang

Multimodal alignment is commonly learned from isolated image-text pairs via CLIP-style dual encoders, leaving the relational context among entities largely unused. Multimodal attributed graphs (MAGs), where nodes carry multimodal attributes…

机器学习 · 计算机科学 2026-05-18 Xu Wang , Xunkai Li , Yinlin Zhu , Rong-Hua Li , Guoren Wang

With the availability of diverse sensor modalities (i.e., RGB, Depth, Infrared) and the success of multi-modal learning, multi-modal face anti-spoofing (FAS) has emerged as a prominent research focus. The intuition behind it is that…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Jingyi Yang , Xun Lin , Zitong Yu , Liepiao Zhang , Xin Liu , Hui Li , Xiaochen Yuan , Xiaochun Cao

Diffusion models have become the State-of-the-Art for text-to-image generation, and increasing research effort has been dedicated to adapting the inference process of pretrained diffusion models to achieve zero-shot capabilities. An example…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Fabio Quattrini , Vittorio Pippi , Silvia Cascianelli , Rita Cucchiara

Structure inference is an important task for network data processing and analysis in data science. In recent years, quite a few approaches have been developed to learn the graph structure underlying a set of observations captured in a data…

机器学习 · 计算机科学 2020-04-16 Eda Bayram , Dorina Thanou , Elif Vural , Pascal Frossard

Fusion of a panchromatic (PAN) image and corresponding multispectral (MS) image is also known as pansharpening, which aims to combine abundant spatial details of PAN and spectral information of MS. Due to the absence of high-resolution MS…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Yinghui Xing , Litao Qu , Shizhou Zhang , Kai Zhang , Yanning Zhang

Supervised depth estimation has achieved high accuracy due to the advanced deep network architectures. Since the groundtruth depth labels are hard to obtain, recent methods try to learn depth estimation networks in an unsupervised way by…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Shanshan Zhao , Huan Fu , Mingming Gong , Dacheng Tao

Graph clustering aims at discovering a natural grouping of the nodes such that similar nodes are assigned to a common cluster. Many different algorithms have been proposed in the literature: for simple graphs, for graphs with attributes…

机器学习 · 计算机科学 2023-11-06 Ylli Sadikaj , Yllka Velaj , Sahar Behzadi , Claudia Plant

In recent years, semi-supervised graph learning with data augmentation (DA) is currently the most commonly used and best-performing method to enhance model robustness in sparse scenarios with few labeled samples. Differing from homogeneous…

机器学习 · 计算机科学 2022-12-02 Ying Chen , Siwei Qiang , Mingming Ha , Xiaolei Liu , Shaoshuai Li , Lingfeng Yuan , Xiaobo Guo , Zhenfeng Zhu

Multi-source unsupervised domain adaptation~(MSDA) aims at adapting models trained on multiple labeled source domains to an unlabeled target domain. In this paper, we propose a novel multi-source domain adaptation framework based on…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Jianzhong He , Xu Jia , Shuaijun Chen , Jianzhuang Liu

Graph-based methods have been demonstrated as one of the most effective approaches for semi-supervised learning, as they can exploit the connectivity patterns between labeled and unlabeled data samples to improve learning performance.…

机器学习 · 计算机科学 2019-07-01 Qimai Li , Xiao-Ming Wu , Han Liu , Xiaotong Zhang , Zhichao Guan

The main objective of this study is to propose an optimal transport based semi-supervised approach to learn from scarce labelled image data using deep convolutional networks. The principle lies in implicit graph-based transductive…

机器学习 · 计算机科学 2025-12-08 Antoine Blais , Nicolas Couëllan

We introduce a kernel method for manifold alignment (KEMA) and domain adaptation that can match an arbitrary number of data sources without needing corresponding pairs, just few labeled examples in all domains. KEMA has interesting…

机器学习 · 统计学 2016-04-04 Devis Tuia , Gustau Camps-Valls

Modern data analysis pipelines are becoming increasingly complex due to the presence of multi-view information sources. While graphs are effective in modeling complex relationships, in many scenarios a single graph is rarely sufficient to…

Unsupervised domain adaptation for point cloud semantic segmentation has attracted great attention due to its effectiveness in learning with unlabeled data. Most of existing methods use global-level feature alignment to transfer the…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Yikai Bian , Le Hui , Jianjun Qian , Jin Xie

With the growing interest in foundation models for brain signals, graph-based pretraining has emerged as a promising paradigm for learning transferable representations from connectome data. However, existing contrastive and masked…

机器学习 · 计算机科学 2026-03-10 Xinxu Wei , Rong Zhou , Lifang He , Yu Zhang