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We propose to design and build an algorithm that will use a Convolutional Neural Network (CNN) and observations from the Unistellar network to reliably detect asteroid occultations. The Unistellar Network, made of more than 10,000 digital…

Earth and Planetary Astrophysics · Physics 2022-12-21 Dorian Cazeneuve , Franck Marchis , Guillaume Blaclard , Paul A. Dalba , Victor Martin , Joé Asencioa

We present a new particle tracking software algorithm designed to accurately track the motion of low-contrast particles against a background with large variations in light levels. The method is based on a polynomial fit of the intensity…

Soft Condensed Matter · Physics 2009-11-13 Salman S. Rogers , Thomas A. Waigh , Xiubo Zhao , Jian R. Lu

Aims: We describe a fast, robust and automatic detection algorithm, TRUFAS, and apply it to data that are being expected from the CoRoT mission. Methods: The procedure proposed for the detection of planetary transits in light curves works…

Astrophysics · Physics 2009-11-16 C. Regulo , M. Almenara , R. Alonso , H. J. Deeg , T. Roca Cortes

Searching for potential active compounds in large databases is a necessary step to reduce time and costs in modern drug discovery pipelines. Such virtual screening methods seek to provide predictions that allow the search space to be…

Biomolecules · Quantitative Biology 2023-05-23 Rafael Mena-Yedra , Juana L. Redondo , Horacio Pérez-Sánchez , Pilar M. Ortigosa

Data association in SLAM is fundamentally challenging, and handling ambiguity well is crucial to achieve robust operation in real-world environments. When ambiguous measurements arise, conservatism often mandates that the measurement is…

Robotics · Computer Science 2019-03-07 Kristoffer M. Frey , Ted J. Steiner , Jonathan P. How

With the continuous improvement of attack methods, there are more and more distributed, complex, targeted attacks in which the attackers use combined attack methods to achieve the purpose. Advanced cyber attacks include multiple stages to…

Cryptography and Security · Computer Science 2021-10-26 Xiaoyu Wang , Xiaorui Gong , Lei Yu , Jian Liu

This paper explores the critical issue of enhancing cybersecurity measures for low-cost, Wi-Fi-based Unmanned Aerial Vehicles (UAVs) against Distributed Denial of Service (DDoS) attacks. In the current work, we have explored three variants…

Cryptography and Security · Computer Science 2024-07-01 Ashish Sharma , SVSLN Surya Suhas Vaddhiparthy , Sai Usha Goparaju , Deepak Gangadharan , Harikumar Kandath

The Atacama Large Millimeter Array (ALMA) has revolutionised the field of solar millimetre astronomy with its high angular resolution and cadence. However, with a limited field of view (FOV), targeted observations of highly dynamic…

Solar and Stellar Astrophysics · Physics 2025-09-10 Mats Kirkaune , Sven Wedemeyer , Joshiwa van Marrewijk , Tony Mroczkowski , Thomas W. Morris

In this paper, we study the problem of spatial link discovery (LD), focusing primarily on topological and proximity relations between spatial objects. The problem is timely due to the large number of sources that generate spatial data,…

Databases · Computer Science 2018-03-06 Georgios Santipantakis , Christos Doulkeridis , George A. Vouros , Akrivi Vlachou

We introduce a new Lagrangian particle tracking algorithm that tracks particles in three dimensions to separations between trajectories approaching contact. The algorithm also detects low Weber number binary collisions that result in…

Fluid Dynamics · Physics 2020-07-15 Reece Vincent Kearney , Gregory Paul Bewley

The Einstein rings and proper motions of nearby stars tend to be large. Thus, every year some foreground stars within a few hundred parsecs of Earth induce gravitational lensing events in background stars. In some of these cases, the events…

Earth and Planetary Astrophysics · Physics 2015-06-04 Rosanne Di Stefano , James Matthews , Sebastien Lepine

The recent increase in the use of aerial vehicles raises concerns about the safety and reliability of autonomous operations. There is a growing need for methods to monitor the status of these aircraft and report any faults and anomalies to…

Systems and Control · Electrical Eng. & Systems 2021-12-09 Azarakhsh Keipour , Mohammadreza Mousaei , Sebastian Scherer

Astronomical observation data require long-term preservation, and the rapid accumulation of observation data makes it necessary to consider the cost of long-term archive storage. In addition to low-speed disk-based online storage, optical…

Instrumentation and Methods for Astrophysics · Physics 2020-06-17 Chao Sun , Ce Yu , Chenzhou Cui , Boliang He , Jian Xiao , Zhen Li , Shanjiang Tang , Jizhou Sun

Cross-referencing a watchlist of galaxy groups and clusters with transient detections from real-time streams of wide-field survey data is a promising method for discovering gravitationally lensed explosive transients including supernovae,…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-07 Dan Ryczanowski , Graham P. Smith , Matteo Bianconi , Sean McGee , Andrew Robertson , Richard Massey , Mathilde Jauzac

Unmanned aerial vehicles (UAVs) are increasingly employed in diverse applications such as land surveying, material transport, and environmental monitoring. Following missions like data collection or inspection, UAVs must land safely at…

Robotics · Computer Science 2025-06-30 Haiping Yang , Huaxing Liu , Wei Wu , Zuohui Chen , Ning Wu

The pioneer space mission for photometric exoplanet searches, CoRoT, steadily monitors about 12000 stars in each of its fields of view. Transit detection algorithms are applied to derive promising planetary candidates, which are then…

Astrophysics · Physics 2009-11-13 S. Renner , H. Rauer , A. Erikson , P. Hedelt , P. Kabath , R. Titz , H. Voss

UAVs equipped with a single depth camera encounter significant challenges in dynamic obstacle avoidance due to limited field of view and inevitable blind spots. While active vision strategies that steer onboard cameras have been proposed to…

Robotics · Computer Science 2025-10-21 Chi Zhang , Xian Huang , Wei Dong

Clusters of galaxies are the most massive objects in the Universe and mapping their location is an important astronomical problem. This paper describes an algorithm (based on statistical signal processing methods), a software architecture…

Astrophysics · Physics 2015-05-26 Jeremy Kepner , Rita Kim

In this article, theory-based analytical methodologies of astrophysics employed in the modern era are suitably operated alongside a test research-grade telescope to image and determine the orbit of a near-earth asteroid from original…

Earth and Planetary Astrophysics · Physics 2021-09-16 Muhammad Farae , Cameron Woo , Anka Hu

Positron Emission Particle Tracking (PEPT) is an imaging method that tracks individual radioactive particles. PEPT relies on the detection of back-to-back photon pairs emitted by positron annihilation. It requires an algorithm to locate the…

Instrumentation and Detectors · Physics 2021-08-25 Sam Manger , Antoine Renaud , Jacques Vanneste
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