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Autonomous navigation in mobile robots, reliant on perception and planning, faces major hurdles in large-scale, complex environments. These include heavy computational burdens for mapping, sensor occlusion failures for UAVs, and traversal…

机器人学 · 计算机科学 2025-08-08 Hongyu Nie , Xu Liu , Zhaotong Tan , Sen Mei , Wenbo Su

We develop a unified framework for rotor-routing that extends the classical model to a broad class of multigraphs equipped with Generalized Rotor Mechanisms (GRM). This perspective places rotor-routing on the same footing as abelian…

离散数学 · 计算机科学 2025-11-24 David Auger , Pierre Coucheney , Kossi Roland Etse

We leverage physics-embedded differentiable graph network simulators (GNS) to accelerate particulate and fluid simulations to solve forward and inverse problems. GNS represents the domain as a graph with particles as nodes and learned…

地球物理 · 物理学 2023-09-26 Krishna Kumar , Yongjin Choi

This work-in-progress paper introduces a prototype for a novel Graph Neural Network (GNN) based approach to estimate hidden states in cyber attack simulations. Utilizing the Meta Attack Language (MAL) in conjunction with Relational Dynamic…

密码学与安全 · 计算机科学 2023-12-12 Pontus Johnson , Mathias Ekstedt

Because sensor nodes operate on power limited batteries, sensor functionalities have to be designed carefully. In particular, designing energy-efficient packet forwarding is important to maximize the lifetime of the network and to minimize…

网络与互联网体系结构 · 计算机科学 2012-05-11 Samir Medjiah , Toufik Ahmed , Francine Krief

Network performance modeling presents important challenges in modern computer networks due to increasing complexity, scale, and diverse traffic patterns. While traditional approaches like queuing theory and packet-level simulation have…

网络与互联网体系结构 · 计算机科学 2024-12-10 Shourya Verma , Simran Kadadi , Swathi Jayaprakash , Arpan Kumar Mahapatra , Ishaan Jain

To ensure seamless communication in wireless multi-hop networks, certain classes of routing protocols are defined. This vary paper, is based upon proactive routing protocols for Wireless multihop networks. Initially, we discuss Destination…

网络与互联网体系结构 · 计算机科学 2013-09-18 D. Mahmood , N. Javaid , U. Qasim , Z. A. Khan , A. Khan , S. Qurashi , A. Memon

The accuracy and reliability of vehicle localization on roads are crucial for applications such as self-driving cars, toll systems, and digital tachographs. To achieve accurate positioning, vehicles typically use global navigation satellite…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Lucas Heublein , Nisha L. Raichur , Tobias Feigl , Tobias Brieger , Fin Heuer , Lennart Asbach , Alexander Rügamer , Felix Ott

Accurate simulation of granular flow dynamics is crucial for assessing various geotechnical risks, including landslides and debris flows. Granular flows involve a dynamic rearrangement of particles exhibiting complex transitions from…

地球物理 · 物理学 2023-12-13 Yongjin Choi , Krishna Kumar

Multivariate time-series forecasting is a critical task for many applications, and graph time-series network is widely studied due to its capability to capture the spatial-temporal correlation simultaneously. However, most existing works…

机器学习 · 计算机科学 2022-10-14 Hongyuan Yu , Ting Li , Weichen Yu , Jianguo Li , Yan Huang , Liang Wang , Alex Liu

Unmanned Surface Vehicles (USVs) are pivotal in marine exploration, but their sensors' accuracy is compromised by the dynamic marine environment. Traditional calibration methods fall short in these conditions. This paper introduces a deep…

机器人学 · 计算机科学 2024-06-10 Yi Shen , Hao Liu , Chang Zhou , Wentao Wang , Zijun Gao , Qi Wang

Learning the physical simulation on large-scale meshes with flat Graph Neural Networks (GNNs) and stacking Message Passings (MPs) is challenging due to the scaling complexity w.r.t. the number of nodes and over-smoothing. There has been…

机器学习 · 计算机科学 2026-05-27 Yadi Cao , Menglei Chai , Minchen Li , Chenfanfu Jiang

The analysis of the end-to-end behavior of novel mobile communication methods in concrete evaluation scenarios frequently results in a methodological dilemma: Real world measurement campaigns are highly time-consuming and lack of a…

网络与互联网体系结构 · 计算机科学 2020-08-19 Benjamin Sliwa , Manuel Patchou , Christian Wietfeld

The increasing reliance on Global Navigation Satellite Systems (GNSS), particularly the Global Positioning System (GPS), underscores the urgent need to safeguard these technologies against malicious threats such as spoofing and jamming. As…

密码学与安全 · 计算机科学 2025-01-07 Ali Ghanbarzade , Hossein Soleimani

In recent years, network function virtualization and a software defined focus has allowed networks to become flexible and extensible in ways not possible previously. Although network modeling tools such as NS-2, NS-3, and OMNet++ have been…

网络与互联网体系结构 · 计算机科学 2021-01-27 Steven Platt

Semantic segmentation architectures are mainly built upon an encoder-decoder structure. These models perform subsequent downsampling operations in the encoder. Since operations on high-resolution activation maps are computationally…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Davide Mazzini

The availability of performant pre-trained models has led to a proliferation of fine-tuned expert models that are specialized to particular domains. This has enabled the creation of powerful and adaptive routing-based "Model MoErging"…

机器学习 · 计算机科学 2025-06-16 Pingzhi Li , Prateek Yadav , Jaehong Yoon , Jie Peng , Yi-Lin Sung , Mohit Bansal , Tianlong Chen

In greedy geometric routing, messages are passed in a network embedded in a metric space according to the greedy strategy of always forwarding messages to nodes that are closer to the destination. We show that greedy geometric routing…

计算几何 · 计算机科学 2009-10-02 Michael T. Goodrich , Darren Strash

Extensive research has been conducted, over recent years, on various ways of enhancing heuristic search for combinatorial optimization problems with machine learning algorithms. In this study, we investigate the use of predictions from…

神经与进化计算 · 计算机科学 2022-10-24 Ítalo Santana , Andrea Lodi , Thibaut Vidal

Global Navigation Satellite Systems (GNSS)-based positioning plays a crucial role in various applications, including navigation, transportation, logistics, mapping, and emergency services. Traditional GNSS positioning methods are…

信号处理 · 电气工程与系统科学 2024-06-26 Adyasha Mohanty , Grace Gao