中文
相关论文

相关论文: Graph Attention Network Based Single-Pixel Compres…

200 篇论文

This study investigates the application of single vector hydrophones in underwater acoustic signal processing for Direction of Arrival (DOA) estimation. Addressing the limitations of traditional DOA estimation methods in multi-source…

声音 · 计算机科学 2024-04-23 Jiabin Guo

Traditional Direction of Arrival (DOA) estimation methods struggle to simultaneously address three physical constraints in Ultra-Wideband (UWB) electromagnetic sensing: spatial undersampling, asynchronous array phase, and beam squint.…

信号处理 · 电气工程与系统科学 2026-03-25 Kailun Tian , Kaili Jiang , Dechang Wang , Hancong Feng , Yuxin Zhao , Ying Xiong , Bin Tang

As cyber threats grow increasingly sophisticated, reinforcement learning (RL) is emerging as a promising technique to create intelligent and adaptive cyber defense systems. However, most existing autonomous defensive agents have overlooked…

机器学习 · 计算机科学 2025-04-17 Ilya Orson Sandoval , Isaac Symes Thompson , Vasilios Mavroudis , Chris Hicks

With the rise of IoT-based botnet attacks, researchers have explored various learning models for detection, including traditional machine learning, deep learning, and hybrid approaches. A key advancement involves deploying attention…

机器学习 · 计算机科学 2025-05-26 Hassan Wasswa , Hussein Abbass , Timothy Lynar

We present a MUSIC-based Direction of Arrival (DOA) estimation strategy using small antenna arrays, via employing deep learning for reconstructing the signals of a virtual large antenna array. Not only does the proposed strategy deliver…

信号处理 · 电气工程与系统科学 2021-03-08 Aya Mostafa Ahmed , Udaya Sampath K. P. Miriya Thanthrige , Aly El Gamal , Aydin Sezgin

Joint estimation of carrier frequency and direction of arrival (DOA) for multiple signals has been found in many practical applications such as Cognitive Radio (CR). However, Nyquist sampling mechanism is costly or implemented due to wide…

信息论 · 计算机科学 2016-05-31 Liang Liu , Ping Wei

Graph representation learning has rapidly emerged as a pivotal field of study. Despite its growing popularity, the majority of research has been confined to embedding single-layer graphs, which fall short in representing complex systems…

机器学习 · 计算机科学 2024-03-29 Marco Bongiovanni , Luca Gallo , Roberto Grasso , Alfredo Pulvirenti

The Controller Area Network (CAN) protocol is widely adopted for in-vehicle communication but lacks inherent security mechanisms, making it vulnerable to cyberattacks. This paper introduces KD-GAT, an intrusion detection framework that…

机器学习 · 计算机科学 2026-04-01 Robert Frenken , Sidra Ghayour Bhatti , Hanqin Zhang , Qadeer Ahmed

We present adaptive strategies for antenna selection for Direction of Arrival (DoA) estimation of a far-field source using TDM MIMO radar with linear arrays. Our treatment is formulated within a general adaptive sensing framework that uses…

系统与控制 · 计算机科学 2017-04-12 David Mateos-Núñez , María A. González-Huici , Renato Simoni , Stefan Brüggenwirth

This paper investigates single-snapshot direction-of-arrival (DOA) estimation and target localization with coherent sparse extremely large aperture arrays (ELAAs) in automotive radar applications. Far-field and near-field signal models are…

信号处理 · 电气工程与系统科学 2025-09-23 Yunqiao Hu , Xuesu Xiao , Steven Jones , Shunqiao Sun

With the rapid expansion of low-altitude economy (LAE) services and the growing demand for integrated sensing and communication (ISAC) in air-ground networks, reliable direction-of-arrival (DOA) estimation has become essential for both…

信号处理 · 电气工程与系统科学 2026-04-02 Ye Tian , Tuo Wu , Jintao Wu , He Xu , Yuanjun Shen , Xianfu Lei , Kin-Fai Tong

Direction of Arrival (DoA) estimation using Sparse Linear Arrays (SLAs) has recently gained considerable attention in array processing thanks to their capability to provide enhanced degrees of freedom in resolving uncorrelated source…

信号处理 · 电气工程与系统科学 2021-12-01 Saeid Sedighi , M. R. Bhavani Shankar , Mojtaba Soltanalian , Björn Ottersten

We propose a deep learning system for attention-guided dual-layer image compression (AGDL). In the AGDL compression system, an image is encoded into two layers, a base layer and an attention-guided refinement layer. Unlike the existing ROI…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Xi Zhang , Xiaolin Wu

Graph Attention Networks (GATs) are the state-of-the-art neural architecture for representation learning with graphs. GATs learn attention functions that assign weights to nodes so that different nodes have different influences in the…

机器学习 · 计算机科学 2019-10-29 Guangtao Wang , Rex Ying , Jing Huang , Jure Leskovec

Radio map estimation from sparse measurements is fundamental to wireless network planning, optimization, and localized map updating. Most recent learning-based approaches formulate the problem as dense map completion over a predefined grid,…

信号处理 · 电气工程与系统科学 2026-04-21 Ang Li , Chengyu Liu , Yue Wang

A distributed MIMO radar is considered, in which the transmit and receive antennas belong to nodes of a small scale wireless network. The transmit waveforms could be uncorrelated, or correlated in order to achieve a desirable beampattern.…

信息论 · 计算机科学 2009-07-28 Athina P. Petropulu , Yao Yu , H. Vincent Poor

Graph Attention Networks(GATs) are useful deep learning models to deal with the graph data. However, recent works show that the classical GAT is vulnerable to adversarial attacks. It degrades dramatically with slight perturbations.…

机器学习 · 计算机科学 2022-08-05 Xianchen Zhou , Yaoyun Zeng , Hongxia Wang

Direction finding and positioning systems based on RF signals are significantly impacted by multipath propagation, particularly in indoor environments. Existing algorithms (e.g MUSIC) perform poorly in resolving Angle of Arrival (AoA) in…

信号处理 · 电气工程与系统科学 2021-12-13 Zhuangzhuang Dai , Yuhang He , Tran Vu , Niki Trigoni , Andrew Markham

In the area of geographic information processing. There are few researches on geographic text classification. However, the application of this task in Chinese is relatively rare. In our work, we intend to implement a method to extract text…

计算与语言 · 计算机科学 2021-01-28 Weipeng Jing , Xianyang Song , Donglin Di , Houbing Song

In the practical radar with multiple antennas, the antenna imperfections degrade the system performance. In this paper, the problem of estimating the direction of arrival (DOA) in multiple-input and multiple-output (MIMO) radar system with…

信号处理 · 电气工程与系统科学 2022-03-22 Peng Chen , Zhenxin Cao , Zhimin Chen , Xianbin Wang