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Related papers: Exploiting Sparse Semantic HD Maps for Self-Drivin…

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We propose PRISM-Loc - a lightweight and robust approach for localization in large outdoor environments that combines a compact topological representation with a novel scan-matching and curb-detection module operating on raw LiDAR scans.…

Precise and real-time rail vehicle localization as well as railway environment monitoring is crucial for railroad safety. In this letter, we propose a multi-LiDAR based simultaneous localization and mapping (SLAM) system for railway…

Robotics · Computer Science 2021-12-28 Yusheng Wang , Weiwei Song , Yidong Lou , Fei Huang , Zhiyong Tu , Shimin Zhang

For utilizing autonomous vehicle in urban areas a reliable localization is needed. Especially when HD maps are used, a precise and repeatable method has to be chosen. Therefore accurate map generation but also re-localization against these…

Robotics · Computer Science 2025-04-04 Sven Ochs , Marc Heinrich , Philip Schörner , Marc René Zofka , J. Marius Zöllner

Despite impressive advances in simultaneous localization and mapping, dense robotic mapping remains challenging due to its inherent nature of being a high-dimensional inference problem. In this paper, we propose a dense semantic robotic…

Robotics · Computer Science 2017-09-26 Lu Gan , Maani Ghaffari Jadidi , Steven A. Parkison , Ryan M. Eustice

Urban environments offer a challenging scenario for autonomous driving. Globally localizing information, such as a GPS signal, can be unreliable due to signal shadowing and multipath errors. Detailed a priori maps of the environment with…

Robotics · Computer Science 2018-10-11 Jordan Chipka , Mark Campbell

Numerous navigation applications rely on data from global navigation satellite systems (GNSS), even though their accuracy is compromised in urban areas, posing a significant challenge, particularly for precise autonomous car localization.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Antonia Bieringer , Olaf Wysocki , Sebastian Tuttas , Ludwig Hoegner , Christoph Holst

In autonomous robotic systems, precise localization is a prerequisite for safe navigation. However, in complex urban environments, GNSS positioning often suffers from signal occlusion and multipath effects, leading to unreliable absolute…

Robotics · Computer Science 2025-07-09 Haitao Lu , Haijier Chen , Haoze Liu , Shoujian Zhang , Bo Xu , Ziao Liu

In this paper we present a robust, efficient and affordable approach to self-localization which does not require neither GPS nor knowledge about the appearance of the world. Towards this goal, we utilize freely available cartographic maps…

Computer Vision and Pattern Recognition · Computer Science 2016-06-24 Wei-Chiu Ma , Shenlong Wang , Marcus A. Brubaker , Sanja Fidler , Raquel Urtasun

LiDAR has become a standard sensor for autonomous driving applications as they provide highly precise 3D point clouds. LiDAR is also robust for low-light scenarios at night-time or due to shadows where the performance of cameras is…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Khaled El Madawy , Hazem Rashed , Ahmad El Sallab , Omar Nasr , Hanan Kamel , Senthil Yogamani

For autonomous ground vehicles (AGVs) deployed in suburban neighborhoods and other human-centric environments the problem of localization remains a fundamental challenge. There are well established methods for localization with GPS, lidar,…

Robotics · Computer Science 2024-05-02 Andrew J. Kramer , Christoffer Heckman

Accurate localization is a foundational capacity, required for autonomous vehicles to accomplish other tasks such as navigation or path planning. It is a common practice for vehicles to use GPS to acquire location information. However, the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Dongfang Liu , Yiming Cui , Xiaolei Guo , Wei Ding , Baijian Yang , Yingjie Chen

This paper addresses the problem of single image depth estimation (SIDE), focusing on improving the quality of deep neural network predictions. In a supervised learning scenario, the quality of predictions is intrinsically related to the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Nícolas Rosa , Vitor Guizilini , Valdir Grassi

Accurate online map matching is fundamental to vehicle navigation and the activation of intelligent driving functions. Current online map matching methods are prone to errors in complex road networks, especially in multilevel road area. To…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Xin Bi , Zhichao Li , Yuxuan Xia , Panpan Tong , Lijuan Zhang , Yang Chen , Junsheng Fu

Keeping a vehicle well-localized within a prebuilt-map is at the core of any autonomous vehicle navigation system. In this work, we show that both standard SIR sampling and rejection-based optimal sampling are suitable for efficient (10 to…

LiDAR sensors are often considered essential for autonomous driving, but high-resolution sensors remain expensive while affordable low-resolution sensors produce sparse point clouds that miss critical details. LiDAR super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 June Moh Goo , Zichao Zeng , Jan Boehm

Visual localization is a fundamental task for various applications including autonomous driving and robotics. Prior methods focus on extracting large amounts of often redundant locally reliable features, resulting in limited efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Fei Xue , Ignas Budvytis , Roberto Cipolla

This paper proposes a fine-grained self-localization method for outdoor robotics that utilizes a flexible number of onboard cameras and readily accessible satellite images. The proposed method addresses limitations in existing cross-view…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Shan Wang , Yanhao Zhang , Akhil Perincherry , Ankit Vora , Hongdong Li

In this paper, we introduce Semi-SMD, a novel metric depth estimation framework tailored for surrounding cameras equipment in autonomous driving. In this work, the input data consists of adjacent surrounding frames and camera parameters. We…

Robotics · Computer Science 2025-09-10 Yusen Xie , Zhengmin Huang , Shaojie Shen , Jun Ma

As urban environments manifest high levels of complexity it is of vital importance that safety systems embedded within autonomous vehicles (AVs) are able to accurately anticipate short-term future motion of nearby agents. This problem can…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Albert Dulian , John C. Murray

Autonomous driving needs various line-of-sight sensors to perceive surroundings that could be impaired under diverse environment uncertainties such as visual occlusion and extreme weather. To improve driving safety, we explore to wirelessly…

Networking and Internet Architecture · Computer Science 2020-12-21 Qiang Liu , Tao Han , Jiang , Xie , BaekGyu Kim