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Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu

Graph neural networks (GNNs) have achieved remarkable advances in graph-oriented tasks. However, real-world graphs invariably contain a certain proportion of heterophilous nodes, challenging the homophily assumption of traditional GNNs and…

机器学习 · 计算机科学 2025-02-04 Jiajun Zhou , Shengbo Gong , Xuanze Chen , Chenxuan Xie , Shanqing Yu , Qi Xuan , Xiaoniu Yang

Text-to-image diffusion models have made significant progress in generating naturalistic images from textual inputs, and demonstrate the capacity to learn and represent complex visual-semantic relationships. While these diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Rushikesh Zawar , Shaurya Dewan , Prakanshul Saxena , Yingshan Chang , Andrew Luo , Yonatan Bisk

One of the primary tasks in Natural Language Understanding (NLU) is to recognize the intents as well as domains of users' spoken and written language utterances. Most existing research formulates this as a supervised classification problem…

计算与语言 · 计算机科学 2020-06-03 Nikhita Vedula , Rahul Gupta , Aman Alok , Mukund Sridhar

Infrared and visible image fusion (IVIF) is essential for integrating thermal saliency with textural details to support downstream perception. However, most existing approaches suffer from "semantic blindness," leading to the erroneous…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Xiaoyang Zhang , jinjiang Li , Guodong Fan , Yakun Ju , Linwei Fan , Jun Liu , Alex C. Kot

Functional connectivity estimates are highly sensitive to analysis choices and can be dominated by noise when the number of sampled time points is small relative to network dimensionality. This issue is particularly acute in fMRI, where…

无序系统与神经网络 · 物理学 2026-02-10 Izaro Fernandez-Iriondo , Antonio Jimenez-Marin , Jesus Cortes , Pablo Villegas

Data imputation is an effective way to handle missing data, which is common in practical applications. In this study, we propose and test a novel data imputation process that achieve two important goals: (1) preserve the row-wise…

机器学习 · 计算机科学 2023-09-13 Katrina Chen , Xiuqin Liang , Zheng Ma , Zhibin Zhang

Tenuous subgraph finding aims to detect a subgraph with few social interactions and weak relationships among nodes. Despite significant efforts have been made on this task, they are mostly carried out in view of graph-structured data. These…

社会与信息网络 · 计算机科学 2022-09-01 Heli sun , Miaomiao Sun , Liang He , Xiaolin Jia

Learning-based MIMO detection has shown strong empirical performance, yet existing methods typically rely on fixed-depth architectures without explicitly modeling the progressive refinement of symbol estimates. In this paper, we revisit…

信息论 · 计算机科学 2026-05-04 Nan Jiang , Jiadong Hong , Lei Liu , Xinyu Bian , Wenjie Wang , Zhaoyang Zhang

Diffusion frameworks have achieved comparable performance with previous state-of-the-art image generation models. Researchers are curious about its variants in discriminative tasks because of its powerful noise-to-image denoising pipeline.…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Zhangxuan Gu , Haoxing Chen , Zhuoer Xu , Jun Lan , Changhua Meng , Weiqiang Wang

We present a novel graph diffusion-embedding networks (GDEN) for graph structured data. GDEN is motivated by our closed-form formulation on regularized feature diffusion on graph. GDEN integrates both regularized feature diffusion and…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Bo Jiang , Doudou Lin , Jin Tang

In the context of multi-view clustering, graph learning is recognized as a crucial technique, which generally involves constructing an adaptive neighbor graph based on probabilistic neighbors, and then learning a consensus graph for…

机器学习 · 计算机科学 2025-07-08 Long Shi , Lei Cao , Yunshan Ye , Yu Zhao , Badong Chen

Graph Neural Networks (GNNs) have demonstrated impressive performance in learning representations from graph-structured data. However, their message-passing mechanism inherently relies on the assumption of label consistency among connected…

机器学习 · 计算机科学 2026-04-28 Taihua Xu , Genhao Tian , Jicong Fan , Xibei Yang , Qinghua Zhang , Yun Cui

In today's data-sensitive landscape, distributed learning emerges as a vital tool, not only fortifying privacy measures but also streamlining computational operations. This becomes especially crucial within fully decentralized…

机器学习 · 计算机科学 2025-09-29 Durgesh Kalwar , Mayank Baranwal , Harshad Khadilkar

Diffusion tensor imaging (DTI) is a novel modality of magnetic resonance imaging that allows noninvasive mapping of the brain's white matter. A particular map derived from DTI measurements is a map of water principal diffusion directions,…

应用统计 · 统计学 2008-12-18 Armin Schwartzman , Robert F. Dougherty , Jonathan E. Taylor

Federated learning (FL) is a promising machine learning paradigm that collaborates with client models to capture global knowledge. However, deploying FL models in real-world scenarios remains unreliable due to the coexistence of…

机器学习 · 计算机科学 2024-10-24 Xinting Liao , Weiming Liu , Pengyang Zhou , Fengyuan Yu , Jiahe Xu , Jun Wang , Wenjie Wang , Chaochao Chen , Xiaolin Zheng

Localizing the source of graph diffusion phenomena, such as misinformation propagation, is an important yet extremely challenging task. Existing source localization models typically are heavily dependent on the hand-crafted rules.…

社会与信息网络 · 计算机科学 2022-06-22 Junxiang Wang , Junji Jiang , Liang Zhao

Federated graph learning (FGL) enables multiple clients to collaboratively train powerful graph neural networks without sharing their private, decentralized graph data. Inherited from generic federated learning, FGL is critically challenged…

机器学习 · 计算机科学 2025-08-15 Xinrui Li , Qilin Fan , Tianfu Wang , Kaiwen Wei , Ke Yu , Xu Zhang

Graph clustering aims to partition nodes into distinct clusters based on their similarity, thereby revealing relationships among nodes. Nevertheless, most existing methods do not fully utilize these edge weights. Leveraging edge weights in…

机器学习 · 计算机科学 2026-02-03 Haobing Liu , Yinuo Zhang , Tingting Wang , Ruobing Jiang , Yanwei Yu

Distributed learning frameworks often rely on exchanging model parameters across workers, instead of revealing their raw data. A prime example is federated learning that exchanges the gradients or weights of each neural network model. Under…

机器学习 · 计算机科学 2020-11-05 Hyowoon Seo , Jihong Park , Seungeun Oh , Mehdi Bennis , Seong-Lyun Kim