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Radar sensors are gradually becoming a wide-spread equipment for road vehicles, playing a crucial role in autonomous driving and road safety. The broad adoption of radar sensors increases the chance of interference among sensors from…

Signal Processing · Electrical Eng. & Systems 2021-11-09 Nicolae-Cătălin Ristea , Andrei Anghel , Radu Tudor Ionescu

Effective tracking of surrounding traffic participants allows for an accurate state estimation as a necessary ingredient for prediction of future behavior and therefore adequate planning of the ego vehicle trajectory. One approach for…

Robotics · Computer Science 2024-06-04 Patrick Palmer , Martin Krüger , Richard Altendorfer , Torsten Bertram

This paper introduces a large-scale, high-precision LiDAR-Inertial Odometry (LIO) dataset, aiming to address the insufficient validation of LIO systems in complex real-world scenarios in existing research. The dataset covers four diverse…

Robotics · Computer Science 2025-07-29 Xiaofeng Jin , Ningbo Bu , Shijie Wang , Jianfei Ge , Jiangjian Xiao , Matteo Matteucci

Developing robot perception systems for recognizing objects in the real-world requires computer vision algorithms to be carefully scrutinized with respect to the expected operating domain. This demands large quantities of ground truth data…

Robotics · Computer Science 2019-03-04 Markus Suchi , Timothy Patten , David Fischinger , Markus Vincze

Highly dynamic environments, with moving objects such as cars or humans, can pose a performance challenge for LiDAR SLAM systems that assume largely static scenes. To overcome this challenge and support the deployment of robots in real…

Many complex vehicular systems, such as large marine vessels, contain confined spaces like water tanks, which are critical for the safe functioning of the vehicles. It is particularly hazardous for humans to inspect such spaces due to…

Robotics · Computer Science 2022-09-02 Benjamin Wong , Wade Marquette , Nikolay Bykov , Tyler M. Paine , Ashis G. Banerjee

Automotive radar has increasingly attracted attention due to growing interest in autonomous driving technologies. Acquiring situational awareness using multimodal data collected at high sampling rates by various sensing devices including…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Madhumitha Sakthi , Ahmed Tewfik , Marius Arvinte , Haris Vikalo

Many existing datasets for lidar place recognition are solely representative of structured urban environments, and have recently been saturated in performance by deep learning based approaches. Natural and unstructured environments present…

Orbital debris is a nonlinear control problem in a stratified orbital environment, not a static inventory. This paper develops a reduced-order shell-and-size framework that connects collision-rate scaling, fragment-production gain, natural…

Instrumentation and Methods for Astrophysics · Physics 2026-05-28 Slava G. Turyshev

In a dense Low Earth Orbit (LEO) satellite constellation, using a centralized algorithm for minimum-delay routing would incur significant signaling and computational overhead. In this work, we exploit the deterministic topology of the…

Networking and Internet Architecture · Computer Science 2022-12-08 Pranav S. Page , Kaustubh S. Bhargao , Hrishikesh V. Baviskar , Gaurav S. Kasbekar

Catalog maintenance of space objects by limited number of ground-based sensors presents a formidable challenging task to the space community. This article presents a methodology for time-invariant tracking and surveillance of space objects…

Instrumentation and Methods for Astrophysics · Physics 2025-07-02 Partha Chowdhury , Harsha M , Chinni Prabhunath Georg , Arun Balaji Buduru , Sanat K Biswas

We address the challenging problem of estimating the directions-of-arrival (DOAs) of multiple off-grid signals using a single snapshot of one-bit quantized measurements. Conventional DOA estimation methods face difficulties in tackling this…

Signal Processing · Electrical Eng. & Systems 2025-10-23 Yunqiao Hu , Shunqiao Sun , Yimin D. Zhang

The amount of debris in orbit has increased significantly over the years. With the recent growth of interest in space exploration, conjunction assessment has become a central issue. One important metric to evaluate conjunction risk is the…

Systems and Control · Electrical Eng. & Systems 2025-02-04 Ricardo N. Ferreira , Marta Guimarães , Cláudia Soares

Recent interest in geospatial artificial intelligence (GeoAI) has fostered a wide range of applications using artificial intelligence (AI), especially deep learning, for geospatial problem solving. However, major challenges such as a lack…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Wenwen Li , Chia-Yu Hsu , Maosheng Hu

Radar ensures robust sensing capabilities in adverse weather conditions, yet challenges remain due to its high inherent noise level. Existing radar odometry has overcome these challenges with strategies such as filtering spurious points,…

Robotics · Computer Science 2025-02-25 Wooseong Yang , Hyesu Jang , Ayoung Kim

In orbital mechanics, Gauss's method for orbit determination (OD) is a popular, minimal assumption solution for obtaining the initial state estimate of a passing resident space object (RSO). Since much of the cislunar domain relies on…

Earth and Planetary Astrophysics · Physics 2026-02-23 Ishan Paranjape , Tarun Hejmadi , Suman Chakravorty

This work outlines and assesses several methods for the detection of manoeuvres in Low Earth Orbit (LEO) from surveillance radar data. To be able to detect manoeuvres, the main starting assumption is that the object under analysis has an…

Optimization and Control · Mathematics 2022-03-08 Jose M. Montilla , Julio C. Sanchez , Rafael Vazquez , Jorge Galan-Vioque , Javier Rey Benayas , Jan Siminski

Promising solutions exist today that can accurately track mobile entities indoor using visual inertial odometry in favorable visual conditions, or by leveraging fine-grained ranging (RF, ultrasonic, IR, etc.) to reference anchors. However,…

Networking and Internet Architecture · Computer Science 2022-03-22 Md. Shaifur Rahman , Ayon Chakraborty , Karthikeyan Sunderasan , Sampath Rangarajan

LiDARs are usually more accurate than cameras in distance measuring. Hence, there is strong interest to apply LiDARs in autonomous driving. Different existing approaches process the rich 3D point clouds for object detection, tracking and…

Robotics · Computer Science 2020-10-15 You Li , Clément Le Bihan , Txomin Pourtau , Thomas Ristorcelli

We present the first example of binary microlensing for which the parameter measurements can be verified (or contradicted) by future Doppler observations. This test is made possible by a confluence of two relatively unusual circumstances.…