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Fraud detection on graph data can be viewed as a demanding task that requires distinguishing between different types of nodes. Because graph neural networks (GNNs) are naturally suited for processing information encoded in graph form…

机器学习 · 计算机科学 2026-04-17 Wei He , Wensheng Gan , Philip S. Yu

Recent advancements in 3D Gaussian Splatting (3D-GS) have established new benchmarks for rendering quality and efficiency in 3D reconstruction. However, 3D-GS faces critical limitations when generating novel views that significantly deviate…

图形学 · 计算机科学 2025-03-05 Yifei Gao , Kerui Ren , Jie Ou , Lei Wang , Jiaji Wu , Jun Cheng

Node localization plays an important role in many practical applications of wireless underground sensor networks (WUSNs), such as finding the locations of earthquake epicenters, underground explosions, and microseismic events in mines. It…

信息论 · 计算机科学 2016-11-25 Hongyang Chen , Robin Wentao Ouyang , Chen Wang

Hyperspectral target detection is a task of primary importance in remote sensing since it allows identification, location, and discrimination of target features. To this end, the reflectance maps, which contain the spectral signatures and…

信号处理 · 电气工程与系统科学 2023-05-24 Pia Addabbo , Nicomino Fiscante , Gaetano Giunta , Danilo Orlando , Giuseppe Ricci , Silvia Liberata Ullo

Distribution-to-distribution (D2D) point cloud registration techniques such as the Normal Distributions Transform (NDT) can align point clouds sampled from unstructured scenes and provide accurate bounds of their own solution error…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Matthew McDermott , Jason Rife

The diffusion phenomenon has a remarkable impact on Online Social Networks (OSNs). Gathering diffusion data over these large networks encounters many challenges which can be alleviated by adopting a suitable sampling approach. The…

社会与信息网络 · 计算机科学 2014-05-29 Motahareh Eslami Mehdiabadi , Hamid R. Rabiee , Mostafa Salehi

Semantic segmentation and change detection are two fundamental challenges in remote sensing, requiring models to capture either spatial semantics or temporal differences from satellite imagery. Existing deep learning models often struggle…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Ali Shibli , Andrea Nascetti , Yifang Ban

3D Gaussian Splatting (3DGS) has become a competitive approach for novel view synthesis (NVS) due to its advanced rendering efficiency through 3D Gaussian projection and blending. However, Gaussians are treated equally weighted for…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Zhihao Guo , Peng Wang , Zidong Chen , Xiangyu Kong , Yan Lyu , Guanyu Gao , Liangxiu Han

Future Internet of Things (IoT) applications will require that billions of wireless devices transmit data to the cloud frequently. However, the wireless medium access is pointed as a problem for the next generations of wireless networks;…

网络与互联网体系结构 · 计算机科学 2017-09-01 Gabriel Martins Dias , Boris Bellalta , Simon Oechsner

Rapid advancements in generative modeling have made synthetic audio generation easy, making speech-based services vulnerable to spoofing attacks. Consequently, there is a dire need for robust countermeasures more than ever. Existing…

声音 · 计算机科学 2025-09-03 Arnab Das , Yassine El Kheir , Carlos Franzreb , Tim Herzig , Tim Polzehl , Sebastian Möller

We consider the problem of estimating the directions of arrival (DOAs) of multiple sources from a single snapshot of an antenna array, a task with many practical applications. In such settings, the classical Bartlett beamformer is commonly…

信号处理 · 电气工程与系统科学 2025-09-22 Lioz Berman , Sharon Gannot , Tom Tirer

Traditional distributed source coding rarely considers the possible link between separate encoders. However, the broadcast nature of wireless communication in sensor networks provides a free gossip mechanism which can be used to simplify…

信息论 · 计算机科学 2010-10-19 Zichong Chen , Guillermo Barrenetxea , Martin Vetterli

Stochastic optimization is a pivotal enabler in modern machine learning, producing effective models for various tasks. However, several existing works have shown that model parameters and gradient information are susceptible to privacy…

机器学习 · 计算机科学 2025-09-15 Zhanhong Jiang , Md Zahid Hasan , Nastaran Saadati , Aditya Balu , Chao Liu , Soumik Sarkar

Deep Gaussian Processes (DGP) are hierarchical generalizations of Gaussian Processes (GP) that have proven to work effectively on a multiple supervised regression tasks. They combine the well calibrated uncertainty estimates of GPs with the…

Sparse-view satellite image surface reconstruction remains highly challenging, fundamentally because the reliability of multi-view matching under satellite imaging conditions is strongly spatially heterogeneous. Affected by large…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Min Chen , Wei Guo , Bin Wang , Wen Li , Tong Fang , Jinbo Zhang , Junqi Zhao , Hong Kuang , Han Hu , Xuming Ge , Qing Zhu , Bo Xu

Multipath and non-line-of-sight (NLOS) signals are the major causes of poor accuracy of a global navigation satellite system (GNSS) in urban areas. Despite the wide usage of the GNSS in populated urban areas, it is difficult to suggest a…

系统与控制 · 电气工程与系统科学 2022-06-10 Yongjun Lee , Yoola Hwang , Jae Young Ahn , Jiwon Seo , Byungwoon Park

An essential function for automated vehicle technologies is accurate localization. It is difficult, however, to achieve lane-level accuracy with low-cost Global Navigation Satellite System (GNSS) receivers due to the biased noisy…

机器人学 · 计算机科学 2016-09-01 Macheng Shen , Ding Zhao , Jing Sun

High-resolution satellite imagery have been increasingly used on remote sensing classification problems. One of the main factors is the availability of this kind of data. Even though, very little effort has been placed on the zebra crossing…

计算机视觉与模式识别 · 计算机科学 2017-07-20 Rodrigo F. Berriel , Andre Teixeira Lopes , Alberto F. de Souza , Thiago Oliveira-Santos

Sensors such as phasor measurement units (PMUs) endowed with GPS receivers are ubiquitously installed providing real-time grid visibility. A number of PMUs can cooperatively enable state estimation routines. However, GPS spoofing attacks…

系统与控制 · 计算机科学 2018-04-27 Paresh Risbud , Nikolaos Gatsis , Ahmad Taha

Smoothing methods find signals in noisy data. A challenge for Statistical inference is the choice of smoothing parameter. SiZer addressed this challenge in one-dimension by detecting significant slopes across multiple scales, but was not a…

统计理论 · 数学 2025-11-03 Rui Liu , Jan Hannig , J. S. Marron
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