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Currently, GPS is by far the most popular global localization method. However, it is not always reliable or accurate in all environments. SLAM methods enable local state estimation but provide no means of registering the local map to a…

In several applications it is desired to have 3D models not only from the outdoor spaces but also from inside the building. In the context of First Responder enhancement in large scale natural and man-made disasters, a method is presented…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Jürgen Wohlfeil , Henry Meißner , Adrian Schischmanow , Thomas Kraft , Dirk Baumbach , Ines Ernst , Dennis Dahlke

Determining the state of a mobile robot is an essential building block of robot navigation systems. In this paper, we address the problem of estimating the robots pose in an indoor environment using 2D LiDAR data and investigate how modern…

Accurate localization is crucial for water robotics, yet traditional onboard Global Navigation Satellite System (GNSS) approaches are difficult or ineffective due to signal reflection on the water's surface and its high cost of aquatic GNSS…

This paper proposes an efficient hybrid localization framework for the autonomous navigation of an unmanned ground vehicle in uneven or rough terrain, as well as techniques for detailed processing of 3D point cloud data. The framework is an…

Robotics · Computer Science 2024-04-01 Ioannis Alamanos , George P. Moustris , Costas S. Tzafestas

Robust and accurate, map-based localization is crucial for autonomous mobile systems. In this paper, we exploit range images generated from 3D LiDAR scans to address the problem of localizing mobile robots or autonomous cars in a map of a…

Robotics · Computer Science 2022-04-26 Xieyuanli Chen , Ignacio Vizzo , Thomas Läbe , Jens Behley , Cyrill Stachniss

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

In this letter, we introduce GroundLoc, a LiDAR-only localization pipeline designed to localize a mobile robot in large-scale outdoor environments using prior maps. GroundLoc employs a Bird's-Eye View (BEV) image projection focusing on the…

Robotics · Computer Science 2025-10-29 Nicolai Steinke , Daniel Goehring

Automotive self-localization is an essential task for any automated driving function. This means that the vehicle has to reliably know its position and orientation with an accuracy of a few centimeters and degrees, respectively. This paper…

3D object reconstruction based on deep neural networks has gained increasing attention in recent years. However, 3D reconstruction of underground objects to generate point cloud maps remains a challenge. Ground Penetrating Radar (GPR) is…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Jinchang Zhang , Guoyu Lu

This paper describes the development of a cost-effective yet precise indoor robot navigation system composed of a custom robot controller board and an indoor positioning system. First, the proposed robot controller board has been specially…

Robotics · Computer Science 2025-01-03 Ali Safa , Ali Al-Zawqari

An accurate room localization system is a powerful tool for providing location-based services. Considering that people spend most of their time indoors, indoor localization systems are becoming increasingly important in designing smart…

Networking and Internet Architecture · Computer Science 2018-04-25 Jose Luis Carrera V. , Zhongliang Zhao , Torsten Braun

Annotating automotive radar data is a difficult task. This article presents an automated way of acquiring data labels which uses a highly accurate and portable global navigation satellite system (GNSS). The proposed system is discussed…

Signal Processing · Electrical Eng. & Systems 2019-06-05 Nicolas Scheiner , Nils Appenrodt , Jürgen Dickmann , Bernhard Sick

Reliable localization in prior maps is essential for autonomous navigation, particularly under adverse weather, where optical sensors may fail. We present CFEAR-TR, a teach-and-repeat localization pipeline using a single spinning radar,…

Robotics · Computer Science 2026-03-09 Maximilian Hilger , Daniel Adolfsson , Ralf Becker , Henrik Andreasson , Achim J. Lilienthal

For autonomous navigation, accurate localization with respect to a map is needed. In urban environments, infrastructure such as buildings or bridges cause major difficulties to Global Navigation Satellite Systems (GNSS) and, despite…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Maxime Noizet , Philippe Xu , Philippe Bonnifait

This paper presents an experimental evaluation on the accuracy of indoor localisation. The research was carried out as part of a European Union project targeting the creation of ICT solutions for older adult care. Current expectation is…

Computers and Society · Computer Science 2020-09-08 Iuliana Marin , Maria Iuliana Bocicor , Arthur-Jozsef Molnar

Automated patient positioning is a crucial step in streamlining MRI workflows and enhancing patient throughput. RGB-D camera-based systems offer a promising approach to automate this process by leveraging depth information to estimate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Eytan Kats , Kai Geißler , Jochen G. Hirsch , Stefan Heldman , Mattias P. Heinrich

Lifelong localization in a given map is an essential capability for autonomous service robots. In this paper, we consider the task of long-term localization in a changing indoor environment given sparse CAD floor plans. The commonly used…

Robotics · Computer Science 2022-10-05 Nicky Zimmerman , Tiziano Guadagnino , Xieyuanli Chen , Jens Behley , Cyrill Stachniss

Cross-view geo-localization (CVGL) estimates a camera's location by matching a street-view image to geo-referenced overhead imagery, enabling GPS-denied localization and navigation. Existing methods almost universally formulate CVGL as an…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yunus Talha Erzurumlu , Jiyong Kwag , Alper Yilmaz

Global localization is essential for autonomous robotics, especially in indoor environments where the GPS signal is denied. We propose a novel WiFi-based localization framework that leverages ubiquitous wireless infrastructure and the…

Robotics · Computer Science 2025-08-15 Xu Ma , Jiajie Zhang , Fujing Xie , Sören Schwertfeger