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Sensors producing 3D point clouds such as 3D laser scanners and RGB-D cameras are widely used in robotics, be it for autonomous driving or manipulation. Aligning point clouds produced by these sensors is a vital component in such…

Robotics · Computer Science 2019-07-23 Fahira Afzal Maken , Fabio Ramos , Lionel Ott

The perception of autonomous vehicles using radars has attracted increased research interest due its ability to operate in fog and bad weather. However, training radar models is hindered by the cost and difficulty of annotating large-scale…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Yiduo Hao , Sohrab Madani , Junfeng Guan , Mohammed Alloulah , Saurabh Gupta , Haitham Hassanieh

Autonomous driving highly depends on capable sensors to perceive the environment and to deliver reliable information to the vehicles' control systems. To increase its robustness, a diversified set of sensors is used, including radar…

Signal Processing · Electrical Eng. & Systems 2021-05-04 Alexander Fuchs , Johanna Rock , Mate Toth , Paul Meissner , Franz Pernkopf

Lifelong indoor localization in a given map is the basis for navigation of autonomous mobile robots. In this letter, we address the problem of robust localization in cluttered indoor environments like office spaces and corridors using 3D…

Robotics · Computer Science 2024-12-05 Fujing Xie , Sören Schwertfeger

Real-time light detection and ranging (LiDAR) perceptions, e.g., 3D object detection and simultaneous localization and mapping are computationally intensive to mobile devices of limited resources and often offloaded on the edge. Offloading…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Jin Heo , Gregorie Phillips , Per-Erik Brodin , Ada Gavrilovska

We investigate a new paradigm that uses differentiable SLAM architectures in a self-supervised manner to train end-to-end deep learning models in various LiDAR based applications. To the best of our knowledge there does not exist any work…

Driver assistance systems as well as autonomous cars have to rely on sensors to perceive their environment. A heterogeneous set of sensors is used to perform this task robustly. Among them, radar sensors are indispensable because of their…

Signal Processing · Electrical Eng. & Systems 2019-06-26 Johanna Rock , Mate Toth , Elmar Messner , Paul Meissner , Franz Pernkopf

Currently, visual odometry and LIDAR odometry are performing well in pose estimation in some typical environments, but they still cannot recover the localization state at high speed or reduce accumulated drifts. In order to solve these…

Robotics · Computer Science 2025-04-01 Jintao Cheng , Bohuan Xue , Shiyang Chen , Qiuchi Xiang , Xiaoyu Tang

Radar odometry estimation has emerged as a critical technique in the field of autonomous navigation, providing robust and reliable motion estimation under various environmental conditions. Despite its potential, the complex nature of radar…

Robotics · Computer Science 2024-04-08 Matteo Frosi , Mirko Usuelli , Matteo Matteucci

As autonomous vehicles and advanced driving assistance systems have entered wider deployment, there is an increased interest in building robust perception systems using radars. Radar-based systems are lower cost and more robust to adverse…

Signal Processing · Electrical Eng. & Systems 2023-12-14 Bo Yang , Ishan Khatri , Michael Happold , Chulong Chen

Teach and Repeat (T&R) topometric navigation enables robots to autonomously repeat previously traversed paths without relying on GPS, making it well suited for operations in GPS-denied environments such as underground mines and lunar…

Robotics · Computer Science 2026-03-12 Katya M. Papais , Wenda Zhao , Timothy D. Barfoot

Radar offers unique advantages for localization in unstructured environments, including robustness to weather, lighting, and airborne particulates. While most prior work has studied radar odometry in urban, largely planar settings, its…

This paper presents novel hybrid architectures that combine grid- and point-based processing to improve the detection performance and orientation estimation of radar-based object detection networks. Purely grid-based detection models…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Michael Ulrich , Sascha Braun , Daniel Köhler , Daniel Niederlöhner , Florian Faion , Claudius Gläser , Holger Blume

LiDAR place recognition (LPR) plays a vital role in autonomous navigation. However, existing LPR methods struggle to maintain robustness under adverse weather conditions such as rain, snow, and fog, where weather-induced noise and point…

Robotics · Computer Science 2025-06-23 Xiongwei Zhao , Xieyuanli Chen , Xu Zhu , Xingxiang Xie , Haojie Bai , Congcong Wen , Rundong Zhou , Qihao Sun

In person re-identification (ReID) tasks, many works explore the learning of part features to improve the performance over global image features. Existing methods explicitly extract part features by either using a hand-designed image…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Dengjie Li , Siyu Chen , Yujie Zhong , Lin Ma

ICP algorithms typically involve a fixed choice of data association method and a fixed choice of error metric. In this paper, we propose Hybrid ICP, a novel and flexible ICP variant which dynamically optimises both the data association…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Kamil Dreczkowski , Edward Johns

Simulating realistic sensors is a challenging part in data generation for autonomous systems, often involving carefully handcrafted sensor design, scene properties, and physics modeling. To alleviate this, we introduce a pipeline for…

LIDAR sensors are usually used to provide autonomous vehicles with 3D representations of their environment. In ideal conditions, geometrical models could detect the road in LIDAR scans, at the cost of a manual tuning of numerical…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Edouard Capellier , Franck Davoine , Veronique Cherfaoui , You Li

Traditional radar imaging methods suffer from the problems of low resolution and poor noise suppression. We propose a new radar imaging method based on Self-supervised deep-learning-assisted compressed sensing (SS-DL-CS-Net). The original…

Image and Video Processing · Electrical Eng. & Systems 2022-08-09 Shaoyin Huang

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