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This paper addresses the problem of target detection and localisation in a limited area using multiple coordinated agents. The swarm of Unmanned Aerial Vehicles (UAVs) determines the position of the dispersion of stack effluents to a gas…

Robotics · Computer Science 2019-07-18 Daniele Facinelli , Matteo Larcher , Davide Brunelli , Daniele Fontanelli

The Euler Characteristic Transform (ECT) of Turner et al. provides a way to statistically analyze non-diffeomorphic shapes without relying on landmarks. In applications, this transform is typically approximated by a discrete set of…

Algebraic Topology · Mathematics 2024-11-14 Henry Kirveslahti , Xiaohan Wang

In this paper, we study the trajectory optimization of a cellular-connected unmanned aerial vehicle (UAV) which aims to sense the location of a target while maintaining satisfactory communication quality with the ground base stations…

Information Theory · Computer Science 2024-04-17 Xiangming Du , Shuowen Zhang , Liang Liu

Exoplanet transmission spectra, which measure the absorption of light passing through a planet's atmosphere during transit, are most often assessed globally, resulting in a single spectrum per planetary atmosphere. However, the inherent…

Earth and Planetary Astrophysics · Physics 2022-12-21 David Grant , Hannah R. Wakeford

This paper proposes \textit{Contour Context}, a simple, effective, and efficient topological loop closure detection pipeline with accurate 3-DoF metric pose estimation, targeting the urban utonomous driving scenario. We interpret the…

Robotics · Computer Science 2023-07-11 Binqian Jiang , Shaojie Shen

Context: Planets outside our solar system transiting their host star, i. e. those with an orbital inclination near 90 degree, are of special interest to derive physical properties of extrasolar planets. With the knowledge of the host star's…

Astrophysics · Physics 2009-11-13 S. D. Huegelmeyer , S. Dreizler , D. Homeier , A. Reiners

The Earth Mover's Distance (EMD) is a state-of-the art metric for comparing discrete probability distributions, but its high distinguishability comes at a high cost in computational complexity. Even though linear-complexity approximation…

Machine Learning · Computer Science 2019-05-29 Kubilay Atasu , Thomas Mittelholzer

Geopositioning and tracking a moving boat at sea is a very challenging problem, requiring boat detection, matching and estimating its GPS location from imagery with no common features. The problem can be stated as follows: given imagery…

Computer Vision and Pattern Recognition · Computer Science 2021-09-06 Jianli Wei , Guanyu Xu , Alper Yilmaz

For two multisets $S$ and $T$ of points in $[\Delta]^2$, such that $|S| = |T|= n$, the earth-mover distance (EMD) between $S$ and $T$ is the minimum cost of a perfect bipartite matching with edges between points in $S$ and $T$, i.e.,…

Data Structures and Algorithms · Computer Science 2014-04-28 Arman Yousefi , Rafail Ostrovsky

Fine localization in autonomous driving platforms is a task of broad interest, receiving much attention in recent years. Some localization algorithms use the Euclidean distance as a similarity measure between the local image acquired by a…

Signal Processing · Electrical Eng. & Systems 2020-02-12 Samuel Todd Flanagan , Drupad K. Khublani , Jean-Francois Chamberland , Siddharth Agarwal , Ankit Vora

Unmanned aerial vehicles (UAVs) can offer timely and cost-effective delivery of high-quality sensing data. How- ever, deciding when and where to take measurements in complex environments remains an open challenge. To address this issue, we…

Robotics · Computer Science 2017-03-09 Marija Popovic , Teresa Vidal-Calleja , Gregory Hitz , Inkyu Sa , Roland Siegwart , Juan Nieto

With more devices competing for limited spectrum, dynamic spectrum sharing is increasingly vulnerable to interference from unauthorized emitters. This motivates fast detection and localization of these emitters using low-cost, distributed…

Signal Processing · Electrical Eng. & Systems 2025-12-02 H. Nazim Bicer

Deployment of automated ground vehicles (AGVs) beyond the confines of sunny and dry climes will require sub-lane-level positioning techniques based on radio waves rather than near-visible-light radiation. Like human sight, lidar and cameras…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Lakshay Narula , Peter A. Iannucci , Todd E. Humphreys

The mapping of ocean floor layers is a current challenge for the oil industry. Existing solution methods involve mapping through seismic methods and wave inversion, which are complex and computationally expensive. The introduction of…

Machine Learning · Computer Science 2024-12-10 Guilherme G. D. Fernandes , Vitor S. P. P. Oliveira , João P. I. Astolfo

An unmanned autonomous vehicle (UAV) is sent on a mission to explore and reconstruct an unknown environment from a series of measurements collected by Bayesian optimization. The success of the mission is judged by the UAV's ability to…

Machine Learning · Statistics 2021-04-09 Antoine Blanchard , Themistoklis Sapsis

Providing connectivity to unmanned aerial vehicle-user equipments such as drones or flying taxis is a major challenge for tomorrow cellular systems. In this paper, the use of coordinated multi-point transmission for providing seamless…

Information Theory · Computer Science 2019-08-22 Ramy Amer , Walid Saad , Nicola Marchetti

Localization is the challenge of determining the robot's pose in a mapped environment. This is done by implementing a probabilistic algorithm to filter noisy sensor measurements and track the robot's position and orientation. This paper…

Robotics · Computer Science 2025-01-03 Sagarnil Das

Based on the vision of global coverage for sixth-generation (6G) wireless communication systems, the low earth orbit (LEO) satellite-to-ground channel model for urban scenarios has emerged as highly important for the system design. In this…

Systems and Control · Electrical Eng. & Systems 2025-01-07 Jiahao Ning , Jinhao Deng , Yuanfang Li , Chi Zhao , Jiashu Liu , Songjiang Yang , Yinghua Wang , Jie Huang , Cheng-Xiang Wang

The calibration of weather radar for detecting meteorological phenomena has advanced rapidly, aiming to enhance accuracy. Utilizing an unmanned aerial vehicle (UAV) equipped with a suspended metal sphere introduces an efficient calibration…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Jiabiao Zhao , Da Li , Jiayuan Cui , Houjun Sun , Jianjun Ma

An important capability of autonomous Unmanned Aerial Vehicles (UAVs) is autonomous landing while avoiding collision with obstacles in the process. Such capability requires real-time local trajectory planning. Although trajectory-planning…

Robotics · Computer Science 2021-11-19 Yossi Magrisso , Ehud Rivlin , Hector Rotstein
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