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Legged robots require knowledge of pose and velocity in order to maintain stability and execute walking paths. Current solutions either rely on vision data, which is susceptible to environmental and lighting conditions, or fusion of…

Robotics · Computer Science 2019-11-13 Ross Hartley , Maani Ghaffari , Ryan M. Eustice , Jessy W. Grizzle

Global Navigation Satellite Systems enable precise localization and timing even for highly mobile devices, but legacy implementations provide only limited support for the new generation of security-enhanced signals. Inertial Measurement…

Cryptography and Security · Computer Science 2025-02-07 Tore Johansson , Marco Spanghero , Panos Papadimitratos

We propose a novel method for geolocalizing Unmanned Aerial Vehicles (UAVs) in environments lacking Global Navigation Satellite Systems (GNSS). Current state-of-the-art techniques employ an offline-trained encoder to generate a vector…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Theo Di Piazza , Enric Meinhardt-Llopis , Gabriele Facciolo , Benedicte Bascle , Corentin Abgrall , Jean-Clement Devaux

We propose VISO-Grasp, a novel vision-language-informed system designed to systematically address visibility constraints for grasping in severely occluded environments. By leveraging Foundation Models (FMs) for spatial reasoning and active…

Robotics · Computer Science 2025-08-07 Yitian Shi , Di Wen , Guanqi Chen , Edgar Welte , Sheng Liu , Kunyu Peng , Rainer Stiefelhagen , Rania Rayyes

This paper focuses on designing a consistent and efficient filter for map-based visual-inertial localization. First, we propose a new Lie group with its algebra, based on which a novel invariant extended Kalman filter (invariant EKF) is…

Robotics · Computer Science 2022-04-27 Zhuqing Zhang , Yang Song , Shoudong Huang , Rong Xiong , Yue Wang

This paper presents an approach to tackle the problem of tram localization through utilizing a custom processing of Global Navigation Satellite System (GNSS) observables and the track map. The method is motivated by suboptimal performance…

Systems and Control · Electrical Eng. & Systems 2025-06-11 Jakub Kašpar , Vít Fanta , Vladimír Havlena

Accurate localization is crucial for various applications, including autonomous vehicles and next-generation wireless networks. However, the reliability and precision of Global Navigation Satellite Systems (GNSS), such as the Global…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Gouranga Charan , Tawfik Osman , Ahmed Alkhateeb

Precise indoor localization of moving targets is a challenging activity which cannot be easily accomplished without combining different sources of information. In this sense, the combination of different data sources with an appropriate…

Networking and Internet Architecture · Computer Science 2013-05-09 Alberto Savioli , Emanuele Goldoni , Pietro Savazzi , Paolo Gamba

After years of growth, drone-based delivery is transforming logistics. At its core, real-time 6-DoF drone pose tracking enables precise flight control and accurate drone landing. With the widespread availability of urban 3D maps, the Visual…

This paper addresses accurate pose estimation (position, velocity, and orientation) for a rigid body using a combination of generic inertial-frame and/or body-frame measurements along with an Inertial Measurement Unit (IMU). By embedding…

Systems and Control · Electrical Eng. & Systems 2025-04-08 Sifeddine Benahmed , Soulaimane Berkane , Tarek Hamel

A vehicular pose estimation technique is presented that tightly couples multi-antenna carrier-phase differential GNSS (CDGNSS) with a low-cost MEMS inertial sensor and vehicle dynamics constraints. This work is the first to explore the use…

Signal Processing · Electrical Eng. & Systems 2022-01-31 James E. Yoder , Todd E. Humphreys

Global Navigation Satellite Systems (GNSS) applications are often hindered by various sources of error, with multipath interference being one of the most challenging, particularly in urban environments. In this work, we build on previous…

Systems and Control · Electrical Eng. & Systems 2025-12-03 Abdelgabar Ahmed , Tarig Ballal , Xing Liu , Mohanad Ahmed , Tareq Y. Al-Naffouri

For land use monitoring, the main problems are robust positioning in urban canyons and strong terrain reliefs with the use of GPS system only. Indeed, satellite signal reflection and shielding in urban canyons and strong terrain relief…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 Oleg Kupervasser , Vitalii Sarychev , Alexander Rubinstein , Roman Yavich

Building upon the theory of Kalman Filtering on Lie Groups, this paper describes an Extended Kalman Filter and Smoother for Loosely Coupled Integration of GNSS/INS tailored for post-processing applications. The approach employs a dynamic…

Robotics · Computer Science 2022-10-07 Marcos R. Fernandes , Giorgio M. Magalhães , Yusef Cáceres , João B. R. do Val

Globally-consistent localization in urban environments is crucial for autonomous systems such as self-driving vehicles and drones, as well as assistive technologies for visually impaired people. Traditional Visual-Inertial Odometry (VIO)…

Robotics · Computer Science 2024-12-13 Roxane Merat , Giovanni Cioffi , Leonard Bauersfeld , Davide Scaramuzza

To achieve accurate and robust pose estimation in Simultaneous Localization and Mapping (SLAM) task, multi-sensor fusion is proven to be an effective solution and thus provides great potential in robotic applications. This paper proposes…

Robotics · Computer Science 2022-03-03 Chunran Zheng , Qingyan Zhu , Wei Xu , Xiyuan Liu , Qizhi Guo , Fu Zhang

This article introduces BEVPlace++, a novel, fast, and robust LiDAR global localization method for unmanned ground vehicles. It uses lightweight convolutional neural networks (CNNs) on Bird's Eye View (BEV) image-like representations of…

Robotics · Computer Science 2025-06-26 Lun Luo , Si-Yuan Cao , Xiaorui Li , Jintao Xu , Rui Ai , Zhu Yu , Xieyuanli Chen

It is commonly expected that future fifth generation (5G) networks will be deployed with a high spatial density of access nodes (ANs) in order to meet the envisioned capacity requirements of the upcoming wireless networks. Densification is…

Information Theory · Computer Science 2016-08-15 Mike Koivisto , Mário Costa , Aki Hakkarainen , Kari Leppänen , Mikko Valkama

This paper develops, implements, and validates a powerful single-antenna carrier-phase-based test to detect Global Navigation Satellite Systems (GNSS) spoofing attacks on ground vehicles equipped with a low-cost inertial measurement unit…

Signal Processing · Electrical Eng. & Systems 2022-03-02 Zachary Clements , James E. Yoder , Todd E. Humphreys

Driven by technological breakthroughs, indoor tracking and localization have gained importance in various applications including the Internet of Things (IoT), robotics, and unmanned aerial vehicles (UAVs). To tackle some of the challenges…

Signal Processing · Electrical Eng. & Systems 2025-01-06 Hammam Salem , Mohanad Ahmed , Mohammed AlSharif , Ali Muqaibel , Tareq Al-Naffouri