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We report new high-quality galaxy scale strong lens candidates found in the Kilo Degree Survey data release 4 using Machine Learning. We have developed a new Convolutional Neural Network (CNN) classifier to search for gravitational arcs,…

This study investigates the performance of various classification models for a malware classification task using different feature sets and data configurations. Six models-Logistic Regression, K-Nearest Neighbors (KNN), Support Vector…

Machine Learning · Computer Science 2025-03-05 Areej Dweib , Montaser Tanina , Shehab Alawi , Mohammad Dyab , Huthaifa I. Ashqar

In the era of rapidly increasing amounts of time series data, classification of variable objects has become the main objective of time-domain astronomy. Classification of irregularly sampled time series is particularly difficult because the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-21 Sven Dennis Kügler , Nikos Gianniotis , Kai Lars Polsterer

Efficient and automated classification of periodic variable stars is becoming increasingly important as the scale of astronomical surveys grows. Several recent papers have used methods from machine learning and statistics to construct…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 James P. Long , Noureddine El Karoui , John A. Rice , Joseph W. Richards , Joshua S. Bloom

The Hubble Source Catalog (HSC) combines lists of sources detected on images obtained with the WFPC2, ACS and WFC3 instruments aboard the Hubble Space Telescope (HST) available in the Hubble Legacy Archive. The catalog contains time-domain…

Convolutional Neutral Networks have been successfully applied in searching for strong lensing systems, leading to discoveries of new candidates from large surveys. On the other hand, systematic investigations about their robustness are…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-15 Zizhao He , Xinzhong Er , Qian Long , Dezi Liu , Xiangkun Liu , Ziwei Li , Yun Liu , Wenqaing Deng , Zuhui Fan

Recent vision-language models (VLMs) such as CLIP, OpenCLIP, EVA02-CLIP and SigLIP achieve strong zero-shot performance, but it is unclear how reliably they respond to controlled linguistic perturbations. We introduce Language-Guided…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 Jae Joong Lee

Unpredictability of renewable energy sources coupled with the complexity of those methods used for various purposes in this area calls for the development of robust methods such as DL models within the renewable energy domain. Given the…

Machine Learning · Computer Science 2025-05-07 Lutfu Sua , Haibo Wang , Jun Huang

Classification of high-dimensional spectroscopic data is a common task in analytical chemistry. Well-established procedures like support vector machines (SVMs) and partial least squares discriminant analysis (PLS-DA) are the most common…

Applications · Statistics 2021-01-29 Andrea Cappozzo , Ludovic Duponchel , Francesca Greselin , Thomas Brendan Murphy

An unsupervised learning classification model is described. It achieves classification error probability competitive with that of popular supervised learning classifiers such as SVM or kNN. The model is based on the incremental execution of…

Machine Learning · Computer Science 2024-10-01 Daniel N. Nissani

We present the results of an automated variability analysis of the Kepler public data measured in the first quarter (Q1) of the mission. In total, about 150 000 light curves have been analysed to detect stellar variability, and to identify…

Solar and Stellar Astrophysics · Physics 2015-05-27 J. Debosscher , J. Blomme , C. Aerts , J. De Ridder

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…

Earth and Planetary Astrophysics · Physics 2025-08-14 Reihaneh Karimi , Mahdiyar Mousavi-Sadr , Mohammad H. Zhoolideh Haghighi , Fatemeh S. Tabatabaei

Classification models are very sensitive to data uncertainty, and finding robust classifiers that are less sensitive to data uncertainty has raised great interest in the machine learning literature. This paper aims to construct robust…

Machine Learning · Statistics 2022-03-01 Vali Asimit , Ioannis Kyriakou , Simone Santoni , Salvatore Scognamiglio , Rui Zhu

The accurate automated classification of variable stars into their respective sub-types is difficult. Machine learning based solutions often fall foul of the imbalanced learning problem, which causes poor generalisation performance in…

Instrumentation and Methods for Astrophysics · Physics 2020-03-18 Zafiirah Hosenie , Robert Lyon , Benjamin Stappers , Arrykrishna Mootoovaloo , Vanessa McBride

We propose a random convolutional neural network to generate a feature space in which we study image classification and retrieval performance. Put briefly we apply random convolutional blocks followed by global average pooling to generate a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Yunzhe Xue , Usman Roshan

Texture classification is a problem that has various applications such as remote sensing and forest species recognition. Solutions tend to be custom fit to the dataset used but fails to generalize. The Convolutional Neural Network (CNN) in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-27 Hussein Adly , Mohamed Moustafa

The rapid advancement of observational capabilities in astronomy has led to an exponential growth in the volume of light curve (LC) data, creating both opportunities and challenges for time-domain astronomy. Traditional analytical methods…

Instrumentation and Methods for Astrophysics · Physics 2025-09-16 Almat Akhmetali , Alisher Zhunuskanov , Aknur Sakan , Marat Zaidyn , Timur Namazbayev , Dana Turlykozhayeva , Nurzhan Ussipov

This paper assesses the performance of five machine learning classifiers: Decision Tree, Naive Bayes, LightGBM, Logistic Regression, and Random Forest using latent representations learned by a Variational Autoencoder from malware datasets.…

Cryptography and Security · Computer Science 2025-05-01 Bamidele Ajayi , Basel Barakat , Ken McGarry

In this paper, we analyze the spectrum occupancy using different machine learning techniques. Both supervised techniques (naive Bayesian classifier (NBC), decision trees (DT), support vector machine (SVM), linear regression (LR)) and…

Networking and Internet Architecture · Computer Science 2015-03-25 Freeha Azmat , Yunfei Chen , Nigel Stocks

Recent advances in genomic sequencing technology have resulted in an abundance of genome sequence data. Despite the progress in interpreting those data, there remains a broad scope for their translation into clinical and societal benefits.…

Genomics · Quantitative Biology 2021-12-13 Abhinav Jain , Greg Slabaugh , Deepti Gurdasani