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Online transient stability assessment (TSA) is essential for secure and stable power system operations. The growing number of Phasor Measurement Units (PMUs) brings about massive sources of data that can enhance online TSA. However,…

系统与控制 · 电气工程与系统科学 2021-12-16 Rui Ma , Sara Eftekharnejad , Chen Zhong , Mustafa Cenk Gursoy

This paper proposes a topology-aware graph reinforcement learning approach to address the routing policy optimization problem in cloud server environments. The method builds a unified framework for state representation and structural…

机器学习 · 计算机科学 2025-09-08 Yuxi Wang , Heyao Liu , Guanzi Yao , Nyutian Long , Yue Kang

This paper concerns quasi-stochastic approximation (QSA) to solve root finding problems commonly found in applications to optimization and reinforcement learning. The general constant gain algorithm may be expressed as the…

最优化与控制 · 数学 2024-04-02 Caio Kalil Lauand , Sean Meyn

Gait recognition aims to distinguish different walking patterns by analyzing video-level human silhouettes, rather than relying on appearance information. Previous research on gait recognition has primarily focused on extracting local or…

计算机视觉与模式识别 · 计算机科学 2023-07-26 Qian Wu , Ruixuan Xiao , Kaixin Xu , Jingcheng Ni , Boxun Li , Ziyao Xu

This paper addresses the challenges of fault prediction and delayed response in distributed systems by proposing an intelligent prediction method based on temporal feature learning. The method takes multi-dimensional performance metric…

分布式、并行与集群计算 · 计算机科学 2025-05-28 Yang Wang , Wenxuan Zhu , Xuehui Quan , Heyi Wang , Chang Liu , Qiyuan Wu

Medical image segmentation is critical for clinical diagnosis, treatment planning, and monitoring, yet segmentation models often struggle with uncertainties stemming from occlusions, ambiguous boundaries, and variations in imaging devices.…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Xiao Ma , Yuhui Tao , Zetian Zhang , Yuhan Zhang , Xi Wang , Sheng Zhang , Zexuan Ji , Yizhe Zhang , Qiang Chen , Guang Yang

Federated edge learning (FEEL) enables collaborative model training across distributed clients over wireless networks without exposing raw data. While most existing studies assume static datasets, in real-world scenarios clients may…

机器学习 · 计算机科学 2025-09-10 Yuxuan Bai , Yuxuan Sun , Tan Chen , Wei Chen , Sheng Zhou , Zhisheng Niu

Temporal link prediction in dynamic graphs is a critical task with applications in diverse domains such as social networks, recommendation systems, and e-commerce platforms. While existing Temporal Graph Neural Networks (T-GNNs) have…

人工智能 · 计算机科学 2025-07-21 Haoyang Li , Yuming Xu , Yiming Li , Hanmo Liu , Darian Li , Chen Jason Zhang , Lei Chen , Qing Li

Augmentation by generative modelling yields a promising alternative to the accumulation of surgical data, where ethical, organisational and regulatory aspects must be considered. Yet, the joint synthesis of (image, mask) pairs for…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Yannik Frisch , Christina Bornberg , Moritz Fuchs , Anirban Mukhopadhyay

Over-the-air computation (OAC) is a promising technique to achieve fast model aggregation across multiple devices in federated edge learning (FEEL). In addition to the analog schemes, one-bit digital aggregation (OBDA) scheme was proposed…

信息论 · 计算机科学 2023-05-19 Li Qiao , Zhen Gao , Zhongxiang Li , Deniz Gündüz

Edge federated learning (FL) is an emerging paradigm that trains a global parametric model from distributed datasets based on wireless communications. This paper proposes a unit-modulus over-the-air computation (UMAirComp) framework to…

信息论 · 计算机科学 2022-04-12 Shuai Wang , Yuncong Hong , Rui Wang , Qi Hao , Yik-Chung Wu , Derrick Wing Kwan Ng

We present a novel graph-based learning of EEG representations with gradient alignment (GEEGA) that leverages multi-domain information to learn EEG representations for brain-computer interfaces. Our model leverages graph convolutional…

人机交互 · 计算机科学 2025-12-09 Prithila Angkan , Amin Jalali , Paul Hungler , Ali Etemad

This paper investigates an over-the-air federated learning (OTA-FL) system that employs fluid antennas (FAs) at an access point. The system enhances learning performance by leveraging the additional degrees of freedom provided by antenna…

信号处理 · 电气工程与系统科学 2025-02-04 Mohsen Ahmadzadeh , Saeid Pakravan , Ghosheh Abed Hodtani , Ming Zeng , Jean-Yves Chouinard , Leslie A. Rusch

Over-the-air federated learning (OTA-FL) is an emerging technique to reduce the computation and communication overload at the PS caused by the orthogonal transmissions of the model updates in conventional federated learning (FL). This…

信息论 · 计算机科学 2023-05-29 Saba Asaad , Hina Tabassum , Chongjun Ouyang , Ping Wang

Recent years have seen a shift towards learning-based methods for trajectory prediction, with challenges remaining in addressing uncertainty and capturing multi-modal distributions. This paper introduces Temporal Ensembling with…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Kai-Yin Hong , Chieh-Chih Wang , Wen-Chieh Lin

Modern generative models are usually designed to match target distributions directly in the data space, where the intrinsic dimension of data can be much lower than the ambient dimension. We argue that this discrepancy may contribute to the…

机器学习 · 计算机科学 2020-07-02 Zijun Zhang , Ruixiang Zhang , Zongpeng Li , Yoshua Bengio , Liam Paull

Federated learning (FL) is a distributed machine learning paradigm that enables multiple clients to train a shared model collaboratively while preserving privacy. However, the scaling of real-world FL systems is often limited by two…

机器学习 · 计算机科学 2024-12-31 Xinyi Hu

Federated learning (FL) has recently emerged as a promising technology to enable artificial intelligence (AI) at the network edge, where distributed mobile devices collaboratively train a shared AI model under the coordination of an edge…

信息论 · 计算机科学 2022-03-07 Zehong Lin , Hang Liu , Ying-Jun Angela Zhang

Improving robustness of the Segment Anything Model (SAM) to input degradations is critical for its deployment in high-stakes applications such as autonomous driving and robotics. Our approach to this challenge prioritizes three key aspects:…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Sohyun Lee , Yeho Gwon , Lukas Hoyer , Suha Kwak

In order to improve forecasts, a decisionmaker often combines probabilities given by various sources, such as human experts and machine learning classifiers. When few training data are available, aggregation can be improved by incorporating…

机器学习 · 计算机科学 2012-07-19 Joseph Kahn