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A global navigation satellite system (GNSS) is a sensor that can acquire 3D position and velocity in an earth-fixed coordinate system and is widely used for outdoor position estimation of robots and vehicles. Various GNSS/inertial…

Robotics · Computer Science 2023-12-22 Taro Suzuki

Robotic applications are continuously striving towards higher levels of autonomy. To achieve that goal, a highly robust and accurate state estimation is indispensable. Combining visual and inertial sensor modalities has proven to yield…

Robotics · Computer Science 2022-08-02 Simon Boche , Xingxing Zuo , Simon Schaefer , Stefan Leutenegger

Perception tasks play a crucial role in the development of automated operations and systems across multiple application fields. In the railway transportation domain, these tasks can improve the safety, reliability, and efficiency of various…

Robotics · Computer Science 2024-03-27 Gianluca D'Amico , Mauro Marinoni , Giorgio Buttazzo

Track geometry monitoring is essential for maintaining the safety and efficiency of railway operations. While Track Recording Cars (TRCs) provide accurate measurements of track geometry indicators, their limited availability and high…

Systems and Control · Electrical Eng. & Systems 2026-05-29 Huy Truong-Ba , Jacky Chin , Michael E. Cholette , Pietro Borghesani

Traction adaptive motion planning and control has potential to improve an an automated vehicle's ability to avoid accident in a critical situation. However, such functionality require an accurate friction estimate for the road ahead of the…

Robotics · Computer Science 2021-05-17 Lars Svensson , Martin Törngren

Accurate and consistent vehicle localization in urban areas is challenging due to the large-scale and complicated environments. In this paper, we propose onlineFGO, a novel time-centric graph-optimization-based localization method that…

Robotics · Computer Science 2023-09-04 Haoming Zhang , Felix Widmayer , Lars Lünnemann , Dirk Abel

Effective maintenance of railway infrastructure is crucial for safe and comfortable transportation. Among the various degradation modes, track geometry deformation due to repeated loading significantly impacts operational safety. Detecting…

Applications · Statistics 2026-02-11 Huy Truong-Ba , Sinda Rebello , Michael E. Cholette , Venkat Reddy , Pietro Borghesani

Intelligent transportation systems (ITS) localization is of significant importance as it provides fundamental position and orientation for autonomous operations like intelligent vehicles. Integrating diverse and complementary sensors such…

Robotics · Computer Science 2024-09-20 Wei Liu , Jiaqi Zhu , Guirong Zhuo , Wufei Fu , Zonglin Meng , Yishi Lu , Min Hua , Feng Qiao , You Li , Yi He , Lu Xiong

Drift-free localization is essential for autonomous vehicles. In this paper, we address the problem by proposing a filter-based framework, which integrates the visual-inertial odometry and the measurements of the features in the pre-built…

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

We study the design of sampling trajectories for stable sampling and the reconstruction of bandlimited spatial fields using mobile sensors. The spectrum is assumed to be a symmetric convex set. As a performance metric we use the path…

Information Theory · Computer Science 2016-03-29 Karlheinz Gröchenig , José Luis Romero , Jayakrishnan Unnikrishnan , Martin Vetterli

We introduce Ground-Fusion, a low-cost sensor fusion simultaneous localization and mapping (SLAM) system for ground vehicles. Our system features efficient initialization, effective sensor anomaly detection and handling, real-time dense…

Robotics · Computer Science 2024-02-23 Jie Yin , Ang Li , Wei Xi , Wenxian Yu , Danping Zou

Vehicle location prediction or vehicle tracking is a significant topic within connected vehicles. This task, however, is difficult if only a single modal data is available, probably causing bias and impeding the accuracy. With the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-08 Yue Zhang , Bin Song , Xiaojiang Du , Mohsen Guizani

Railway detection is critical for the automation of railway systems. Existing models often prioritize either speed or accuracy, but achieving both remains a challenge. To address the limitations of presetting anchor groups that struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Hai Ni , Rui Wang , Scarlett Liu

Enabling autonomous operation of large-scale construction machines, such as excavators, can bring key benefits for human safety and operational opportunities for applications in dangerous and hazardous environments. To facilitate robot…

Robotics · Computer Science 2022-03-04 Julian Nubert , Shehryar Khattak , Marco Hutter

Fault diagnosis prevents train disruptions by ensuring the stability and reliability of their transmission systems. Data-driven fault diagnosis models have several advantages over traditional methods in terms of dealing with non-linearity,…

Machine Learning · Computer Science 2025-09-22 Jonathan Adam Rico , Nagarajan Raghavan , Senthilnath Jayavelu

In the application of computer-vision based displacement measurement, an optical target is usually required to prove the reference. In the case that the optical target cannot be attached to the measuring objective, edge detection, feature…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Dachuan Shi , Eldar Sabanovic , Luca Rizzetto , Viktor Skrickij , Roberto Oliverio , Nadia Kaviani , Yunguang Ye , Gintautas Bureika , Stefano Ricci , Markus Hecht

Deep Learning became an ubiquitous paradigm due to its extraordinary effectiveness and applicability in numerous domains. However, the approach suffers from the high demand of data required to achieve the potential of this type of model. An…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Andrei-Robert Alexandrescu , Razvan-Gabriel Petec , Alexandru Manole , Laura-Silvia Diosan

Estimating the state of an environment from high-dimensional, multimodal, and noisy observations is a fundamental challenge in reinforcement learning (RL). Traditional approaches rely on probabilistic models to account for the uncertainty,…

Machine Learning · Computer Science 2026-02-13 Alfredo Reichlin , Adriano Pacciarelli , Danica Kragic , Miguel Vasco

Machine learning has emerged as a promising approach to path loss prediction, yet its effectiveness often degrades when measurement data are scarce. To address this limitation, we propose an ensemble-based machine learning framework that…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Ahmed P. Mohamed , Byunghyun Lee , Yaguang Zhang , Christopher R. Anderson , David J. Love , James V. Krogmeier

The extreme popularity over the years for railway transportation urges the necessity to maintain efficient railway management systems around the globe. Even though, at present, there exist a large collection of Computer Aided Designed…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Obadage Rochana Rumalshan , Pramuka Weerasinghe , Mohamed Shaheer , Prabhath Gunathilake , Erunika Dayaratna