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Epilepsy is one of the most common neurological disorders that can be diagnosed through electroencephalogram (EEG), in which the following epileptic events can be observed: pre-ictal, ictal, post-ictal, and interictal. In this paper, we…

Machine Learning · Computer Science 2021-02-12 Jefferson Tales Oliva , João Luís Garcia Rosa

In this work, we propose a novel ensemble of recurrent neural networks (RNNs) that considers the multiband and non-uniform cadence without having to compute complex features. Our proposed model consists of an ensemble of RNNs, which do not…

Instrumentation and Methods for Astrophysics · Physics 2025-01-27 I. Becker , P. Protopapas , M. Catelan , K. Pichara

A comparative analysis of the special shapes (patterns, profiles) of the eclipses applied for the phenomenological modeling of the light curves of eclipsing binary stars is conducted. Families of functions are considered, generalizing local…

Solar and Stellar Astrophysics · Physics 2017-04-19 Ivan L. Andronov , Mariia G. Tkachenko , Lidia Chinarova

We present the construction of a novel time-domain signature extraction methodology and the development of a supporting supervised pattern detection algorithm. We focus on the targeted identification of eclipsing binaries that demonstrate a…

Instrumentation and Methods for Astrophysics · Physics 2019-11-12 Kyle B. Johnston , Rana Haber , Saida M. Caballero-Nieves , Adrian M. Peter , V'eronique Petit , Matt Knote

We propose a meta-learning method for positive and unlabeled (PU) classification, which improves the performance of binary classifiers obtained from only PU data in unseen target tasks. PU learning is an important problem since PU data…

Machine Learning · Computer Science 2024-06-07 Atsutoshi Kumagai , Tomoharu Iwata , Yasuhiro Fujiwara

Although traditionally binary visual representations are mainly designed to reduce computational and storage costs in the image retrieval research, this paper argues that binary visual representations can be applied to large scale…

Computer Vision and Pattern Recognition · Computer Science 2018-03-09 Jianxin Wu , Jian-Hao Luo

Though deep learning has been applied successfully in many scenarios, malicious inputs with human-imperceptible perturbations can make it vulnerable in real applications. This paper proposes an error-correcting neural network (ECNN) that…

Machine Learning · Computer Science 2021-05-10 Yang Song , Qiyu Kang , Wee Peng Tay

We present a neural network architecture and training method designed to enable very rapid training and low implementation complexity. Due to its training speed and very few tunable parameters, the method has strong potential for…

Neural and Evolutionary Computing · Computer Science 2015-08-18 Mark D. McDonnell , Tony Vladusich

Scientists, engineers, biologists, and technology specialists universally leverage image segmentation to extract shape ensembles containing many thousands of curves representing patterns in observations and measurements. These large curve…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Zachary Grey , Nicholas Fisher , Andrew Glaws

Convolution Neural Networks trained for the task of lens finding with similar architecture and training data as is commonly found in the literature are biased classifiers. An understanding of the selection function of lens finding neural…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-21 A. Herle , C. M. O'Riordan , S. Vegetti

We introduce SuperNNova, an open source supernova photometric classification framework which leverages recent advances in deep neural networks. Our core algorithm is a recurrent neural network (RNN) that is trained to classify light-curves…

Instrumentation and Methods for Astrophysics · Physics 2019-12-05 Anais Möller , Thibault de Boissière

We present a catalog of precise eclipse times and analysis of third body signals among 1279 close binaries in the latest Kepler Eclipsing Binary Catalog. For these short period binaries, Kepler's 30 minute exposure time causes significant…

Solar and Stellar Astrophysics · Physics 2015-06-16 Kyle E. Conroy , Andrej Prsa , Keivan G. Stassun , Jerome A. Orosz , Daniel C. Fabrycky , William F. Welsh

Detached eclipsing binaries are the primary tool used to measure precise masses and radii of stars. In our previous paper estimating the parameters of more than 30,000 detached eclipsing binaries, we identified 766 eclipsing binaries with…

Solar and Stellar Astrophysics · Physics 2023-01-25 D. M. Rowan , T. Jayasinghe , K. Z. Stanek , C. S. Kochanek , Todd A. Thompson , B. J. Shappee , T. W. -S. Holoien , J. L. Prieto , W. Giles

We present the results of our study of the eclipsing binary systems CSS J112237.1+395219, LINEAR 1286561 and LINEAR 2602707 based on new CCD $B$, $V$, $R_c$ and $I_c$ complete light curves. The ultra-short period nature of the stars…

Solar and Stellar Astrophysics · Physics 2020-05-06 F. Acerbi , R. Michel , C. Barani , M. Martignoni , L. Fox-Machado

Electroencephalography (EEG) classification is a versatile and portable technique for building non-invasive Brain-computer Interfaces (BCI). However, the classifiers that decode cognitive states from EEG brain data perform poorly when…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Anupam Sharma , Krishna Miyapuram

Astrophysical observations taken from Earth are subject to weather, environmental, and scientific constraints that lead to sparse, irregular light curves. On the eve of the Vera C. Rubin Observatory Legacy Survey of Space and Time, its…

Instrumentation and Methods for Astrophysics · Physics 2026-05-28 Siddharth Chaini , Federica B. Bianco , Ashish Mahabal

Traffic signs play a critical role in road safety and traffic management for autonomous driving systems. Accurate traffic sign classification is essential but challenging due to real-world complexities like adversarial examples and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Andreea Postovan , Mădălina Eraşcu

We propose a new splitting criterion for a meta-learning approach to multiclass classifier design that adaptively merges the classes into a tree-structured hierarchy of increasingly difficult binary classification problems. The…

Machine Learning · Computer Science 2017-11-10 Gerrit J. J. van den Burg , Alfred O. Hero

Modern time-domain astronomy will benefit from the vast data collected by survey telescopes. The 2.5 m Wide Field Survey Telescope (WFST), with its powerful capabilities, is promising to make significant contributions in the era of large…

Instrumentation and Methods for Astrophysics · Physics 2025-06-03 Yongling Tang , Lulu Fan , Zhen Wan , Yating Liu , Yan Lu

In the era of large all-sky surveys, there will be a need for rapid, automatic classifications of newly discovered transient objects. Our focus here is the classification of supernovae (SNe). We consider random forest machine learning…

High Energy Astrophysical Phenomena · Physics 2020-05-28 Jonathan Markel , Amanda J. Bayless
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