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200 papers

Deep learning has gained tremendous success and great popularity in the past few years. However, deep learning systems are suffering several inherent weaknesses, which can threaten the security of learning models. Deep learning's wide use…

Cryptography and Security · Computer Science 2020-10-28 Yingzhe He , Guozhu Meng , Kai Chen , Xingbo Hu , Jinwen He

A method for classifying orbits near asteroids under a polyhedral gravitational field is presented, and may serve as a valuable reference for spacecraft orbit design for asteroid exploration. The orbital dynamics near asteroids are very…

Earth and Planetary Astrophysics · Physics 2017-04-14 Xianyu Wang , Shengping Gong , Junfeng Li

Artificial Intelligence brings innovations into the society. However, bias and unethical exist in many algorithms that make the applications less trustworthy. Threats hunting algorithms based on machine learning have shown great advantage…

Cryptography and Security · Computer Science 2025-06-25 Shuangbao Paul Wang , Paul Mullin

Two years after publicly launching the AI Incident Database (AIID) as a collection of harms or near harms produced by AI in the world, a backlog of "issues" that do not meet its incident ingestion criteria have accumulated in its review…

Computers and Society · Computer Science 2022-11-21 Sean McGregor , Kevin Paeth , Khoa Lam

Climate change results in an increased probability of extreme weather events that put societies and businesses at risk on a global scale. Therefore, near real-time mapping of natural hazards is an emerging priority for the support of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Johannes Jakubik , Michal Muszynski , Michael Vössing , Niklas Kühl , Thomas Brunschwiler

Predicting human trajectories is a challenging task due to the complexity of pedestrian behavior, which is influenced by external factors such as the scene's topology and interactions with other pedestrians. A special challenge arises from…

Physics and Society · Physics 2023-07-31 Raphael Korbmacher , Huu-Tu Dang , Antoine Tordeux

Road accidents are quite common in almost every part of the world, and, in majority, fatal accidents are attributed to over speeding of vehicles. The tendency to over speeding is usually tried to be controlled using check points at various…

Machine Learning · Computer Science 2024-08-09 Subhasis Dasgupta , Arshi Naaz , Jayeeta Choudhury , Nancy Lahiri

Estimates for asteroid masses are based on their gravitational perturbations on the orbits of other objects such as Mars, spacecraft, or other asteroids and/or their satellites. In the case of asteroid-asteroid perturbations, this leads to…

Earth and Planetary Astrophysics · Physics 2017-07-26 L. Siltala , M. Granvik

The NEO Coordination Centre (NEOCC) of the European Space Agency is an operational centre that, among other activities, computes the orbits of near-Earth objects and their probabilities of impact with the Earth. The NEOCC started providing…

We present the Citizen Science program Active Asteroids and describe discoveries stemming from our ongoing project. Our NASA Partner program is hosted on the Zooniverse online platform and launched on 2021 August 31, with the goal of…

The number of ore-bearing asteroids could well be small and remote telescopic techniques are inadequate to identify such asteroids confidently. Finding an asteroid that can be profitably mined requires proximate observations from assay…

Earth and Planetary Astrophysics · Physics 2015-06-18 Martin Elvis , Thomas Esty

This research paper focuses on the implementation of radial Basis Function (RBF) Support Vector Machines (SVM) for classifying asteroid orbits. Asteroids are important astronomical objects, and their orbits play a crucial role in…

Earth and Planetary Astrophysics · Physics 2023-06-30 Yashvir Tiberwal , Nishchal Dwivedi

Using albedos from WISE/NEOWISE to separate distinct albedo groups within the Main Belt asteroids, we apply the Hierarchical Clustering Method to these subpopulations and identify dynamically associated clusters of asteroids. While this…

Earth and Planetary Astrophysics · Physics 2015-06-15 Joseph R. Masiero , A. K. Mainzer , J. M. Bauer , T. Grav , C. R. Nugent , R. Stevenson

The problem of detecting the presence of a signal that can lead to a disaster is studied. A decision-maker collects data sequentially over time. At some point in time, called the change point, the distribution of data changes. This change…

Signal Processing · Electrical Eng. & Systems 2023-03-07 Tim Brucks , Taposh Banerjee , Rahul Mishra

As the Internet is growing rapidly these years, the variant of malicious software, which often referred to as malware, has become one of the major and serious threats to Internet users. The dramatic increase of malware has led to a research…

Machine Learning · Computer Science 2020-04-10 Jingyun Jia

Beginning in 2012, NASA utilized a strategic process to identify broad societal questions, or grand challenges, that are well suited to the aerospace sector and align with national priorities. This effort generated NASA's first grand…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 Jennifer L Gustetic , Victoria Friedensen , Jason L Kessler , Shanessa Jackson , James Parr

Not all instances in a data set are equally beneficial for inducing a model of the data. Some instances (such as outliers or noise) can be detrimental. However, at least initially, the instances in a data set are generally considered…

Machine Learning · Statistics 2014-10-16 Michael R. Smith , Tony Martinez

Malware classification is a difficult problem, to which machine learning methods have been applied for decades. Yet progress has often been slow, in part due to a number of unique difficulties with the task that occur through all stages of…

Cryptography and Security · Computer Science 2020-11-17 Edward Raff , Charles Nicholas

Prognostic models in survival analysis are aimed at understanding the relationship between patients' covariates and the distribution of survival time. Traditionally, semi-parametric models, such as the Cox model, have been assumed. These…

Machine Learning · Statistics 2020-11-06 Denise Rava , Jelena Bradic

Asteroid families are valuable source of information to many asteroid-related re- searches, assuming a reliable list of their members could be obtained. However, as the number of known asteroids increases fast it becomes more and more…

Earth and Planetary Astrophysics · Physics 2017-05-26 V. Radović , B. Novaković , V. Carruba , D. Marčeta