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The self-localization capability is a crucial component for Unmanned Ground Vehicles (UGV) in farming applications. Approaches based solely on visual cues or on low-cost GPS are easily prone to fail in such scenarios. In this paper, we…

Robotics · Computer Science 2018-09-12 Marco Imperoli , Ciro Potena , Daniele Nardi , Giorgio Grisetti , Alberto Pretto

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…

We propose a fixed-lag smoother-based sensor fusion architecture to leverage the complementary benefits of range-based sensors and visual-inertial odometry (VIO) for localization. We use two fixed-lag smoothers (FLS) to decouple accurate…

Robotics · Computer Science 2024-01-05 Abhishek Goudar , Wenda Zhao , Angela P. Schoellig

This paper proposes a novel method for geo-tracking, i.e. continuous metric self-localization in outdoor environments by registering a vehicle's sensor information with aerial imagery of an unseen target region. Geo-tracking methods offer…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Florian Fervers , Sebastian Bullinger , Christoph Bodensteiner , Michael Arens , Rainer Stiefelhagen

In this paper, we propose a bistatic sensing-assisted beam tracking method for simultaneous communication and tracking of user vehicles navigating arbitrary-shaped road trajectories. Prior work on simultaneous communication and tracking…

Information Theory · Computer Science 2024-11-21 Avinash M , Srikrishna Bhashyam

This paper introduces a visual-based localization method for autonomous vehicles (AVs) that operate in the absence of any complicated hardware system but a single camera. Visual localization refers to techniques that aim to find the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Sara Zahedian , Kaveh Farokhi Sadabadi , Amir Nohekhan

Visual localization is the task of accurate camera pose estimation in a known scene. It is a key problem in computer vision and robotics, with applications including self-driving cars, Structure-from-Motion, SLAM, and Mixed Reality.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Torsten Sattler , Qunjie Zhou , Marc Pollefeys , Laura Leal-Taixe

A crucial function for automated vehicle technologies is accurate localization. Lane-level accuracy is not readily available from low-cost Global Navigation Satellite System (GNSS) receivers because of factors such as multipath error and…

Systems and Control · Computer Science 2017-03-28 Macheng Shen , Ding Zhao , Jing Sun , Huei Peng

Localization, or position fixing, is an important problem in robotics research. In this paper, we propose a novel approach for long-term localization in a changing environment using 3D LiDAR. We first create the map of a real environment…

Robotics · Computer Science 2019-10-29 Yilong Zhu , Bohuan Xue , Linwei Zheng , Huaiyang Huang , Ming Liu , Rui Fan

Visual Teach and Repeat has shown relative navigation is a robust and efficient solution for autonomous vision-based path following in difficult environments. Adding additional absolute sensors such as Global Navigation Satellite Systems…

Robotics · Computer Science 2021-07-20 Benjamin Congram , Timothy D. Barfoot

Global navigation satellite systems readily provide accurate position information when localizing a robot outdoors. However, an analogous standard solution does not exist yet for mobile robots operating indoors. This paper presents an…

Robotics · Computer Science 2023-10-10 Xibo Li , Shruti Patel , David Stronzek-Pfeifer , Christof Büskens

Accurate positioning, navigation, and timing (PNT) is fundamental to the operation of modern technologies and a key enabler of autonomous systems. A very important component of PNT is the Global Navigation Satellite System (GNSS) which…

Maps are essential for diverse applications, such as vehicle navigation and autonomous robotics. Both require spatial models for effective route planning and localization. This paper addresses the challenge of road graph construction for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Balázs Opra , Betty Le Dem , Jeffrey M. Walls , Dimitar Lukarski , Cyrill Stachniss

We present a vehicle self-localization method using point-based deep neural networks. Our approach processes measurements and point features, i.e. landmarks, from a high-definition digital map to infer the vehicle's pose. To learn the best…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Nico Engel , Vasileios Belagiannis , Klaus Dietmayer

We propose a method for accurately localizing ground vehicles with the aid of satellite imagery. Our approach takes a ground image as input, and outputs the location from which it was taken on a georeferenced satellite image. We perform…

Robotics · Computer Science 2015-11-02 Hang Chu , Hongyuan Mei , Mohit Bansal , Matthew R. Walter

This paper proposes a new image-based localization framework that explicitly localizes the camera/robot by fusing Convolutional Neural Network (CNN) and sequential images' geometric constraints. The camera is localized using a single or few…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 Jingwei Song , Mitesh Patel , Maani Ghaffari

This paper presents an adaptive learning method for data fusion in autonomous driving vehicles. The localization is based on the integration of Inertial Measurement Unit (IMU) with two Real-Time Kinematic (RTK) Global Positioning System…

Systems and Control · Electrical Eng. & Systems 2022-08-25 Farhad Aghili

Seamless operation of mobile robots in challenging environments requires low-latency local motion estimation (e.g., dynamic maneuvers) and accurate global localization (e.g., wayfinding). While most existing sensor-fusion approaches are…

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

Precise initialization plays a critical role in the performance of localization algorithms, especially in the context of robotics, autonomous driving, and computer vision. Poor localization accuracy is often a consequence of inaccurate…

Robotics · Computer Science 2025-05-15 Srinivas Ravuri , Yuan Xu , Martin Ludwig Zehetner , Ketan Motlag , Sahin Albayrak