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Related papers: TrainSim: A Railway Simulation Framework for LiDAR…

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Perception is a key element for enabling intelligent autonomous navigation. Understanding the semantics of the surrounding environment and accurate vehicle pose estimation are essential capabilities for autonomous vehicles, including…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Mohamed Afifi , Mohamed ElHelw

LiDAR sensors are widely used in autonomous driving due to the reliable 3D spatial information. However, the data of LiDAR is sparse and the frequency of LiDAR is lower than that of cameras. To generate denser point clouds spatially and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Xudong Huang , Chunyu Lin , Haojie Liu , Lang Nie , Yao Zhao

Automated inspection and detection of foreign objects on railways is important for rail transportation safety as it helps prevent potential accidents and trains derailment. Most existing vision-based approaches focus on the detection of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Tiange Wang , Zijun Zhang , Fangfang Yang , Kwok-Leung Tsui

Conventionally, human intuition defines vision as a modality of passive optical sensing, relying on ambient light to perceive the environment. However, active optical sensing, which involves emitting and receiving signals, offers unique…

Robotics · Computer Science 2026-02-27 Wei Gao , Jie Zhang , Mingle Zhao , Zhiyuan Zhang , Shu Kong , Maani Ghaffari , Dezhen Song , Cheng-Zhong Xu , Hui Kong

Accurate LiDAR simulation is crucial for autonomous driving, especially under adverse weather conditions. Existing methods struggle to capture the complex interactions between LiDAR signals and atmospheric phenomena, leading to unrealistic…

Robotics · Computer Science 2026-04-03 Vivek Anand , Bharat Lohani , Rakesh Mishra , Gaurav Pandey

In recent years, interest in automatic train operations has significantly increased. To enable advanced functionalities, robust vision-based algorithms are essential for perceiving and understanding the surrounding environment. However, the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Xavier Diaz , Gianluca D'Amico , Raul Dominguez-Sanchez , Federico Nesti , Max Ronecker , Giorgio Buttazzo

Designing and validating sensor applications and algorithms in simulation is an important step in the modern development process. Furthermore, modern open-source multi-sensor simulation frameworks are moving towards the usage of video-game…

Robotics · Computer Science 2023-03-24 Wouter Jansen , Nico Huebel , Jan Steckel

We present an approach for optical navigation in unstructured, dynamic railroad environments. We propose a way how to cope with the estimation of the train motion from sole observations of the planar track bed. The occasional significant…

Robotics · Computer Science 2020-07-08 Darius Burschka , Christian Robl , Sebastian Ohrendorf-Weiss

In recent studies, numerous previous works emphasize the importance of semantic segmentation of LiDAR data as a critical component to the development of driver-assistance systems and autonomous vehicles. However, many state-of-the-art…

Photorealistic simulation plays a crucial role in applications such as autonomous driving, where advances in neural radiance fields (NeRFs) may allow better scalability through the automatic creation of digital 3D assets. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Shanlin Sun , Bingbing Zhuang , Ziyu Jiang , Buyu Liu , Xiaohui Xie , Manmohan Chandraker

Globally rising demand for transportation by rail is pushing existing infrastructure to its capacity limits, necessitating the development of accurate, robust, and high-frequency positioning systems to ensure safe and efficient train…

Robotics · Computer Science 2023-08-24 Cornelius von Einem , Andrei Cramariuc , Roland Siegwart , Cesar Cadena , Florian Tschopp

This paper presents a simulation workflow for generating synthetic LiDAR datasets to support autonomous vehicle perception, robotics research, and sensor security analysis. Leveraging the CoppeliaSim simulation environment and its Python…

Robotics · Computer Science 2025-06-24 Abhishek Phadke , Shakib Mahmud Dipto , Pratip Rana

Detecting potential obstacles in railway environments is critical for preventing serious accidents. Identifying a broad range of obstacle categories under complex conditions requires large-scale datasets with precisely annotated,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Qiushi Guo , Jason Rambach

Semantic scene understanding is important for various applications. In particular, self-driving cars need a fine-grained understanding of the surfaces and objects in their vicinity. Light detection and ranging (LiDAR) provides precise…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Jens Behley , Martin Garbade , Andres Milioto , Jan Quenzel , Sven Behnke , Cyrill Stachniss , Juergen Gall

Accurate rail location is a crucial part in the railway support driving system for safety monitoring. LiDAR can obtain point clouds that carry 3D information for the railway environment, especially in darkness and terrible weather…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Xinyi Yu , Weiqi He , Xuecheng Qian , Yang Yang , Linlin Ou

Maintaining railway axles is critical to preventing severe accidents and financial losses. The railway industry is increasingly interested in advanced condition monitoring techniques to enhance safety and efficiency, moving beyond…

Human detection and tracking is an essential task for service robots, where the combined use of multiple sensors has potential advantages that are yet to be exploited. In this paper, we introduce a framework allowing a robot to learn a new…

Robotics · Computer Science 2018-08-01 Zhi Yan , Li Sun , Tom Duckett , Nicola Bellotto

Simulation of the real-world traffic can be used to help validate the transportation policies. A good simulator means the simulated traffic is similar to real-world traffic, which often requires dense traffic trajectories (i.e., with a high…

Machine Learning · Computer Science 2021-03-24 Hua Wei , Chacha Chen , Chang Liu , Guanjie Zheng , Zhenhui Li

Level crossing accidents remain a significant safety concern in modern railway systems, particularly under adverse weather conditions that degrade sensor performance. This review surveys state-of-the-art sensor technologies and fusion…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Chenyang Yan , Mats Bengtsson

Perception sensors, particularly camera and Lidar, are key elements of Autonomous Driving Systems (ADS) that enable them to comprehend their surroundings to informed driving and control decisions. Therefore, developing realistic simulation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Hamed Haghighi , Xiaomeng Wang , Hao Jing , Mehrdad Dianati