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Monitoring the behavior of automated real-time stream processing systems has become one of the most relevant problems in real world applications. Such systems have grown in complexity relying heavily on high dimensional input data, and data…

In cognitive radio systems, the ability to accurately detect primary user's signal is essential to secondary user in order to utilize idle licensed spectrum. Conventional energy detector is a good choice for blind signal detection, while it…

Information Theory · Computer Science 2019-09-09 Jiabao Gao , Xuemei Yi , Caijun Zhong , Xiaoming Chen , Zhaoyang Zhang

Admittedly, Graph Convolution Network (GCN) has achieved excellent results on graph datasets such as social networks, citation networks, etc. However, softmax used as the decision layer in these frameworks is generally optimized with…

Machine Learning · Computer Science 2022-07-19 Xuelong Li , Ziheng Jiao , Hongyuan Zhang , Rui Zhang

Continual learning is increasingly sought after in real world machine learning applications, as it enables learning in a more human-like manner. Conventional machine learning approaches fail to achieve this, as incrementally updating the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Joe Khawand , Peter Hanappe , David Colliaux

Federated Learning (FL) is a decentralized machine-learning paradigm, in which a global server iteratively averages the model parameters of local users without accessing their data. User heterogeneity has imposed significant challenges to…

Machine Learning · Computer Science 2021-06-11 Zhuangdi Zhu , Junyuan Hong , Jiayu Zhou

Federated Learning (FL) has emerged as a machine learning approach able to preserve the privacy of user's data. Applying FL, clients train machine learning models on a local dataset and a central server aggregates the learned parameters…

Cryptography and Security · Computer Science 2024-09-27 Luiz Leite , Yuri Santo , Bruno L. Dalmazo , André Riker

Deep learning-based approaches achieve state-of-the-art performance in the majority of image segmentation benchmarks. However, training of such models requires a sizable amount of manual annotations. In order to reduce this effort, we…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Mahdyar Ravanbakhsh , Tassilo Klein , Kayhan Batmanghelich , Moin Nabi

Live video streaming has become a mainstay as a standard communication solution for several enterprises worldwide. To efficiently stream high-quality live video content to a large amount of offices, companies employ distributed video…

Artificial Intelligence · Computer Science 2020-11-12 Stefanos Antaris , Dimitrios Rafailidis

In this article, motivated by biosurveillance and censoring sensor networks, we investigate the problem of distributed monitoring large-scale data streams where an undesired event may occur at some unknown time and affect only a few unknown…

Methodology · Statistics 2016-03-30 Kun Liu , Ruizhi Zhang , Yajun Mei

Real-world data streams exhibit inherent non-stationarity characterized by concept drift, posing significant challenges for adaptive learning systems. While existing methods address isolated distribution shifts, they overlook the critical…

Machine Learning · Computer Science 2026-03-24 En Yu , Jie Lu , Guangquan Zhang

Strong generative models can accurately learn channel distributions. This could save recurring costs for physical measurements of the channel. Moreover, the resulting differentiable channel model supports training neural encoders by…

Information Theory · Computer Science 2024-06-12 Muah Kim , Rick Fritschek , Rafael F. Schaefer

The performance of federated learning (FL) over wireless networks critically depends on accurate and timely channel state information (CSI) across distributed devices. This requirement is tightly linked to how rapidly the channel gains…

Information Theory · Computer Science 2025-10-31 Mehdi Karbalayghareh , David J. Love , Christopher G. Brinton

Federated learning (FL) provides a decentralized machine learning paradigm where a server collaborates with a group of clients to learn a global model without accessing the clients' data. User heterogeneity is a significant challenge for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Jiangming Shi , Shanshan Zheng , Xiangbo Yin , Yang Lu , Yuan Xie , Yanyun Qu

An emerging fluid antenna system (FAS) brings a new dimension, i.e., the antenna positions, to deal with the deep fading, but simultaneously introduces challenges related to the transmit design. This paper proposes an ``unsupervised…

Signal Processing · Electrical Eng. & Systems 2025-02-07 Changpeng He , Yang Lu , Wei Chen , Bo Ai , Kai-Kit Wong , Dusit Niyato

Federated graph learning (FGL) enables collaborative training of graph neural networks (GNNs) across decentralized subgraphs without exposing raw data. While existing FGL methods often achieve high overall accuracy, we show that this…

Machine Learning · Computer Science 2026-01-26 Zekai Chen , Kairui Yang , Xunkai Li , Henan Sun , Zhihan Zhang , Jia Li , Qiangqiang Dai , Rong-Hua Li , Guoren Wang

Graph representation learning is a fundamental problem for modeling relational data and benefits a number of downstream applications. Traditional Bayesian-based graph models and recent deep learning based GNN either suffer from…

Machine Learning · Computer Science 2024-03-27 Hanxuan Yang , Qingchao Kong , Wenji Mao

Prevailing deep graph learning models often suffer from label sparsity issue. Although many graph few-shot learning (GFL) methods have been developed to avoid performance degradation in face of limited annotated data, they excessively rely…

Machine Learning · Computer Science 2022-10-04 Chunhui Zhang , Hongfu Liu , Jundong Li , Yanfang Ye , Chuxu Zhang

This paper is devoted to signal processing on point-clouds by means of neural networks. Nowadays, state-of-the-art in image processing and computer vision is mostly based on training deep convolutional neural networks on large datasets.…

Machine Learning · Computer Science 2021-04-06 Amitoz Azad , Julien Rabin , Abderrahim Elmoataz

With changes in privacy laws, there is often a hard requirement for client data to remain on the device rather than being sent to the server. Therefore, most processing happens on the device, and only an altered element is sent to the…

Cryptography and Security · Computer Science 2022-12-27 Ajinkya K Mulay

Dynamic graphs are ubiquitous in real-world systems, and building generalizable dynamic Graph Foundation Models has become a frontier in graph learning. However, dynamic graphs from different domains pose fundamental challenges to unified…

Machine Learning · Computer Science 2026-05-14 Haonan Yuan , Qingyun Sun , Junhua Shi , Xingcheng Fu , Jianxin Li , Philip S. Yu