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Following an initiative formalized in April 2016 formally known as ARL West between the U.S. Army Research Laboratory (ARL) and University of Southern California's Institute for Creative Technologies (USC ICT), a field experiment was…

计算机视觉与模式识别 · 计算机科学 2017-11-30 Dalton Rosario , Christoph Borel , Damon Conover , Ryan McAlinden , Anthony Ortiz , Sarah Shiver , Blair Simon

Fall detection, particularly critical for high-risk demographics like the elderly, is a key public health concern where timely detection can greatly minimize harm. With the advancements in radio frequency technology, radar has emerged as a…

机器人学 · 计算机科学 2024-02-07 Shuting Hu , Siyang Cao , Nima Toosizadeh , Jennifer Barton , Melvin G. Hector , Mindy J. Fain

Falls are one of the important causes of accidental or unintentional injury death worldwide. Therefore, this paper presents a reliable fall detection algorithm and a mobile cloud collaboration system for fall detection. The algorithm is an…

信号处理 · 电气工程与系统科学 2019-07-11 Tong Wu , Yang Gu , Yiqiang Chen , Yunlong Xiao , Jiwei Wang

Traditional search and rescue methods in wilderness areas can be time-consuming and have limited coverage. Drones offer a faster and more flexible solution, but optimizing their search paths is crucial. This paper explores the use of deep…

机器人学 · 计算机科学 2025-02-06 Jan-Hendrik Ewers , David Anderson , Douglas Thomson

Obstacle avoidance is a key feature for safe Unmanned Aerial Vehicle (UAV) navigation. While solutions have been proposed for static obstacle avoidance, systems enabling avoidance of dynamic objects, such as drones, are hard to implement…

机器人学 · 计算机科学 2018-08-02 Adrian Carrio , Sai Vemprala , Andres Ripoll , Srikanth Saripalli , Pascual Campoy

Meteor showers and their outbursts are the dominant source of meteoroid impact risk to spacecraft on short time scales. Meteor shower prediction models depend on historical observations to produce accurate forecasts. However, the current…

We developed a reliable probabilistic solar flare forecasting model using a deep neural network, named Deep Flare Net-Reliable (DeFN-R). The model can predict the maximum classes of flares that occur in the following 24 h after observing…

太阳与恒星天体物理 · 物理学 2020-09-02 Naoto Nishizuka , Yûki Kubo , Komei Sugiura , Mitsue Den , Mamoru Ishii

Suspended in the atmosphere are millions of tonnes of mineral dust which interacts with weather and climate. Accurate representation of mineral dust in weather models is vital, yet remains challenging. Large scale weather models use high…

地球物理 · 物理学 2024-06-18 Trish E. Nowak , Andy T. Augousti , Benno I. Simmons , Stefan Siegert

We use machine learning to predict the dimension of a lattice polytope directly from its Ehrhart series. This is highly effective, achieving almost 100% accuracy. We also use machine learning to recover the volume of a lattice polytope from…

组合数学 · 数学 2022-07-19 Tom Coates , Johannes Hofscheier , Alexander Kasprzyk

Fall recovery is a critical skill for humanoid robots in dynamic environments such as RoboCup, where prolonged downtime often decides the match. Recent techniques using deep reinforcement learning (DRL) have produced robust get-up…

机器人学 · 计算机科学 2025-12-16 Jonathan Spraggett

Existing data on building destruction in conflict zones rely on eyewitness reports or manual detection, which makes it generally scarce, incomplete and potentially biased. This lack of reliable data imposes severe limitations for media…

综合经济学 · 经济学 2021-07-07 Hannes Mueller , Andre Groger , Jonathan Hersh , Andrea Matranga , Joan Serrat

This article describes our approach to quantifying the characteristics of meteors such as temperature, chemical composition, and others. We are using a new approach based on colourimetry. We analyze an image of Leonid meteor-6230 obtained…

地球与行星天体物理 · 物理学 2021-06-15 B. E. Zhilyaev , V. N. Petukhov , V. N. Reshetnyk , A. P. Vidmachenko

Understanding dynamic 3D environment is crucial for robotic agents and many other applications. We propose a novel neural network architecture called $MeteorNet$ for learning representations for dynamic 3D point cloud sequences. Different…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Xingyu Liu , Mengyuan Yan , Jeannette Bohg

In recent years, understanding asteroids has shifted from light worlds to geological worlds by exploring modern spacecraft and advanced radar and telescopic surveys. However, flyby in 2029 will be an opportunity to conduct an internal…

天体物理仪器与方法 · 物理学 2021-06-08 Manuel Ntumba , Saurabh Gore , Jean-Baptiste Awanyo

The precise reconstruction of properties of photons and electrons in modern high energy physics detectors, such as the CMS or Atlas experiments, plays a crucial role in numerous physics results. Conventional geometrical algorithms are used…

高能物理 - 实验 · 物理学 2023-11-30 Polina Simkina , Fabrice Couderc , Julie Malclès , Mehmet Özgür Sahin

Over the past couple of decades, several networks for the automatic detection of fireballs have been deployed. Their primary scientific goal is to facilitate the rapid recovery of meteorites, determine their pre-atmospheric orbits, and look…

地球与行星天体物理 · 物理学 2026-05-12 M. Caldas , A. Guaimare , V. Abraham , L. Barrios , M. Hernández , L. Velasco , G. Tancredi

This paper addresses the visibility-based pursuit-evasion problem where a team of pursuer robots operating in a two-dimensional polygonal space seek to establish visibility of an arbitrarily fast evader. This is a computationally…

机器人学 · 计算机科学 2021-04-12 Trevor Olsen , Nicholas M. Stiffler , Jason M. O'Kane

Machine learning is now used in many areas of astrophysics, from detecting exoplanets in Kepler transit signals to removing telescope systematics. Recent work demonstrated the potential of using machine learning algorithms for atmospheric…

Detecting and adapting to catastrophic failures in robotic systems requires a robot to learn its new dynamics quickly and safely to best accomplish its goals. To address this challenging problem, we propose probabilistically-safe, online…

机器人学 · 计算机科学 2019-12-18 Mariah Schrum , Matthew Gombolay

Search and detection of objects on the ocean surface is a challenging task due to the complexity of the drift dynamics and lack of known optimal solutions for the path of the search agents. This challenge was highlighted by the unsuccessful…

最优化与控制 · 数学 2020-11-13 Stefan Ivić , Bojan Crnković , Hassan Arbabi , Sophie Loire , Patrick Clary , Igor Mezić