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Classifying potentially hazardous asteroids (PHAs) is crucial for planetary defense and deep space navigation, yet traditional methods often overlook the dynamical relationships among asteroids. We introduce a Graph Neural Network (GNN)…

地球与行星天体物理 · 物理学 2025-04-29 Baimam Boukar Jean Jacques

We present a comprehensive analysis of the digest2 parameters for candidates of the Near-Earth Object Confirmation Page (NEOCP) that were reported between 2019 and 2024. Our study proposes methods for significantly reducing the inclusion of…

天体物理仪器与方法 · 物理学 2025-05-20 Peter Vereš , Richard Cloete , Matthew J. Payne , Abraham Loeb

The objective of this study is to develop a good risk model for classifying business delinquency by simultaneously exploring several machine learning based methods including regularization, hyper-parameter optimization, and model ensembling…

机器学习 · 计算机科学 2020-10-13 Yan Wang , Xuelei Sherry Ni

Graph neural networks (GNNs) have been widely applied to numerous fields. A recent work which combines layered structure and residual connection proposes an improved deep architecture to extend CAmouflage-REsistant GNN (CARE-GNN) to deep…

机器学习 · 计算机科学 2022-02-15 Yufan Zeng , Jiashan Tang

This study presents a comprehensive evaluation of various classification algorithms used for the detection of exoplanets using labeled time series data from the Kepler mission. The study investigates the performance of six commonly employed…

地球与行星天体物理 · 物理学 2024-02-27 Fatemeh Fazel Hesar , Bernard Foing

Hazardous asteroid has been one of the concerns for humankind as fallen asteroid on earth could cost a huge impact on the society.Monitoring these objects could help predict future impact events, but such efforts are hindered by the large…

地球与行星天体物理 · 物理学 2024-09-05 Thai Duy Quy , Alvin Buana , Josh Lee , Rakha Asyrofi

The continuously growing number of objects orbiting around the Earth is expected to be accompanied by an increasing frequency of objects re-entering the Earth's atmosphere. Many of these re-entries will be uncontrolled, making their…

机器学习 · 计算机科学 2023-03-21 Francesco Salmaso , Mirko Trisolini , Camilla Colombo

This paper compares the performances of three supervised machine learning algorithms in terms of predictive ability and model interpretation on structured or tabular data. The algorithms considered were scikit-learn implementations of…

机器学习 · 统计学 2022-05-06 Alice J. Liu , Arpita Mukherjee , Linwei Hu , Jie Chen , Vijayan N. Nair

Object detection plays an important role in various fields. Developing detection models for 2D objects that experience rotation and texture variations is a challenge. In this research, the initial stage of the proposed model integrates the…

计算机视觉与模式识别 · 计算机科学 2024-05-10 Florentina Tatrin Kurniati , Daniel HF Manongga , Irwan Sembiring , Sutarto Wijono , Roy Rudolf Huizen

Student repetition in secondary education imposes significant resource burdens, particularly in resource-constrained contexts. Addressing this challenge, this study introduces a unified machine learning framework that simultaneously…

人工智能 · 计算机科学 2026-03-03 Mwayi Sonkhanani , Symon Chibaya , Clement N. Nyirenda

Background and objective Risk prediction models aim at identifying people at higher risk of developing a target disease. Feature selection is particularly important to improve the prediction model performance avoiding overfitting and to…

Deep neural networks trained on jet images have been successful in classifying different kinds of jets. In this paper, we identify the crucial physics features that could reproduce the classification performance of the convolutional neural…

高能物理 - 唯象学 · 物理学 2020-08-20 Amit Chakraborty , Sung Hak Lim , Mihoko M. Nojiri , Michihisa Takeuchi

As these attacks become more and more difficult to see, the need for the great hi-tech models that detect them is undeniable. This paper examines and compares various machine learning as well as deep learning models to choose the most…

密码学与安全 · 计算机科学 2024-07-09 Momen Hesham , Mohamed Essam , Mohamed Bahaa , Ahmed Mohamed , Mohamed Gomaa , Mena Hany , Wael Elsersy

$K$-NN classifier is one of the most famous classification algorithms, whose performance is crucially dependent on the distance metric. When we consider the distance metric as a parameter of $K$-NN, learning an appropriate distance metric…

机器学习 · 计算机科学 2019-11-26 Kun Song

Machine-learning algorithms have gained popularity in recent years in the field of ecological modeling due to their promising results in predictive performance of classification problems. While the application of such algorithms has been…

Quantifying prediction uncertainty when applying object detection models to new, unlabeled datasets is critical in applied machine learning. This study introduces an approach to estimate the performance of deep learning-based object…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Ni Li , Ryan Jacobs , Matthew Lynch , Vidit Agrawal , Kevin Field , Dane Morgan

Phase-Based Ranging (PBR) offers several advantages for estimating distances between wirelessly connected devices, including high accuracy over large distances and the removal of the need for antenna arrays at each transceiver. This study…

信号处理 · 电气工程与系统科学 2025-11-26 Pantelis Stefanakis , Ming Shen

The discovery of exoplanets has expanded our understanding of planetary systems and opened new avenues for astronomical research. In this study, we present a machine learning (ML) framework for exoplanet identification using a time-series…

地球与行星天体物理 · 物理学 2025-08-14 Reihaneh Karimi , Mahdiyar Mousavi-Sadr , Mohammad H. Zhoolideh Haghighi , Fatemeh S. Tabatabaei

The labeling cost of large number of bounding boxes is one of the main challenges for training modern object detectors. To reduce the dependence on expensive bounding box annotations, we propose a new semi-supervised object detection…

计算机视觉与模式识别 · 计算机科学 2018-12-04 JIyang Gao , Jiang Wang , Shengyang Dai , Li-Jia Li , Ram Nevatia
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