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相关论文: Graph-based Active Learning for Semi-supervised Cl…

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This paper explores the applications and challenges of graph neural networks (GNNs) in processing complex graph data brought about by the rapid development of the Internet. Given the heterogeneity and redundancy problems that graph data…

机器学习 · 计算机科学 2024-10-24 Jianjun Wei , Yue Liu , Xin Huang , Xin Zhang , Wenyi Liu , Xu Yan

In recent years, image classification, as a core task in computer vision, relies on high-quality labelled data, which restricts the wide application of deep learning models in practical scenarios. To alleviate the problem of insufficient…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Jiyu Hu , Haijiang Zeng , Zhen Tian

In this paper, we propose a novel active learning approach integrated with an improved semi-supervised learning framework to reduce the cost of manual annotation and enhance model performance. Our proposed approach effectively leverages…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Wanli Ma , Oktay Karakus , Paul L. Rosin

Generative graph self-supervised learning (SSL) aims to learn node representations by reconstructing the input graph data. However, most existing methods focus on unsupervised learning tasks only and very few work has shown its superiority…

机器学习 · 计算机科学 2023-02-08 Xiang Li , Tiandi Ye , Caihua Shan , Dongsheng Li , Ming Gao

Network Intrusion Detection Systems (NIDS) are essential tools for detecting network attacks and intrusions. While extensive research has explored the use of supervised Machine Learning for attack detection and characterisation, these…

密码学与安全 · 计算机科学 2026-04-23 Georgios Anyfantis , Pere Barlet-Ros

Anomaly detection on attributed networks attracts considerable research interests due to wide applications of attributed networks in modeling a wide range of complex systems. Recently, the deep learning-based anomaly detection methods have…

机器学习 · 计算机科学 2021-05-07 Yixin Liu , Zhao Li , Shirui Pan , Chen Gong , Chuan Zhou , George Karypis

We introduce a novel masked graph autoencoder (MGAE) framework to perform effective learning on graph structure data. Taking insights from self-supervised learning, we randomly mask a large proportion of edges and try to reconstruct these…

机器学习 · 计算机科学 2022-01-10 Qiaoyu Tan , Ninghao Liu , Xiao Huang , Rui Chen , Soo-Hyun Choi , Xia Hu

In this paper, we propose graph signal processing based imaging for synthetic aperture radar. We present a modified version of fused least absolute shrinkage and selection operator to cater for graph structure of the radar image. We solve…

信号处理 · 电气工程与系统科学 2019-10-08 Shahzad Gishkori , Bernard Mulgrew

Data augmentation aims to generate new and synthetic features from the original data, which can identify a better representation of data and improve the performance and generalizability of downstream tasks. However, data augmentation for…

机器学习 · 计算机科学 2021-06-17 Zhengzheng Tang , Ziyue Qiao , Xuehai Hong , Yang Wang , Fayaz Ali Dharejo , Yuanchun Zhou , Yi Du

We learn, in an unsupervised way, an embedding from sequences of radar images that is suitable for solving the place recognition problem with complex radar data. Our method is based on invariant instance feature learning but is tailored for…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Matthew Gadd , Daniele De Martini , Paul Newman

We present a cost-effective new approach for generating denser depth maps for Autonomous Driving (AD) and Autonomous Vehicles (AVs) by integrating the images obtained from deep neural network (DNN) 4D radar detectors with conventional…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Mohammed Alsakabi , Aidan Erickson , John M. Dolan , Ozan K. Tonguz

Recent advances in machine learning have demonstrated an enormous utility of deep learning approaches, particularly Graph Neural Networks (GNNs) for materials science. These methods have emerged as powerful tools for high-throughput…

计算物理 · 物理学 2025-05-23 Junchi Liu , Ying Tang , Sergei Tretiak , Wenhui Duan , Liujiang Zhou

Graph Convolutional Networks (GCNs) have shown significant improvements in semi-supervised learning on graph-structured data. Concurrently, unsupervised learning of graph embeddings has benefited from the information contained in random…

机器学习 · 计算机科学 2018-02-27 Sami Abu-El-Haija , Amol Kapoor , Bryan Perozzi , Joonseok Lee

Self-supervised learning of graph neural networks (GNNs) aims to learn an accurate representation of the graphs in an unsupervised manner, to obtain transferable representations of them for diverse downstream tasks. Predictive learning and…

机器学习 · 计算机科学 2022-10-11 Dongki Kim , Jinheon Baek , Sung Ju Hwang

We introduce a deep learning (DL) framework for inverse problems in imaging, and demonstrate the advantages and applicability of this approach in passive synthetic aperture radar (SAR) image reconstruction. We interpret image recon-…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Bariscan Yonel , Eric Mason , Birsen Yazıcı

We consider graph representation learning in a self-supervised manner. Graph neural networks (GNNs) use neighborhood aggregation as a core component that results in feature smoothing among nodes in proximity. While successful in various…

机器学习 · 计算机科学 2021-07-20 Wei Zhuo , Guang Tan

Self-supervised learning has shown its promising capability in graph representation learning in recent work. Most existing pre-training strategies usually choose the popular Graph neural networks (GNNs), which can be seen as a special form…

机器学习 · 计算机科学 2023-06-16 Yilin Ding , Zhen Liu , Hao Hao

Supervised deep learning methods for segmentation require large amounts of labelled training data, without which they are prone to overfitting, not generalizing well to unseen images. In practice, obtaining a large number of annotations…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Krishna Chaitanya , Neerav Karani , Christian Baumgartner , Olivio Donati , Anton Becker , Ender Konukoglu

Semi-supervised learning on graphs is a widely applicable problem in network science and machine learning. Two standard algorithms -- label propagation and graph neural networks -- both operate by repeatedly passing information along edges,…

机器学习 · 计算机科学 2021-02-02 Junteng Jia , Austin R. Benson

Synthetic Aperture Radar (SAR) images are prone to be contaminated by noise, which makes it very difficult to perform target recognition in SAR images. Inspired by great success of very deep convolutional neural networks (CNNs), this paper…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Moussa Amrani , Abdelatif Bey , Abdenour Amamra