English
Related papers

Related papers: Deep Transfer Learning for Classification of Varia…

200 papers

Conventional transfer learning leverages weights of pre-trained networks, but mandates the need for similar neural architectures. Alternatively, knowledge distillation can transfer knowledge between heterogeneous networks but often requires…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Shuhang Wang , Vivek Kumar Singh , Alex Benjamin , Mercy Asiedu , Elham Yousef Kalafi , Eugene Cheah , Viksit Kumar , Anthony Samir

Time-domain astronomy is progressing rapidly with the ongoing and upcoming large-scale photometric sky surveys led by the Vera C. Rubin Observatory project (LSST). Billions of variable sources call for better automatic classification…

Instrumentation and Methods for Astrophysics · Physics 2023-09-26 Zihan Kang , Yanxia Zhang , Jingyi Zhang , Changhua Li , Minzhi Kong , Yongheng Zhao , Xue-Bing Wu

Transfer learning refers to the transfer of knowledge or information from a relevant source domain to a target domain. However, most existing transfer learning theories and algorithms focus on IID tasks, where the source/target samples are…

Machine Learning · Computer Science 2023-03-21 Jun Wu , Jingrui He , Elizabeth Ainsworth

Previous transfer learning methods based on deep network assume the knowledge should be transferred between the same hidden layers of the source domain and the target domains. This assumption doesn't always hold true, especially when the…

Machine Learning · Computer Science 2018-09-25 Jianzhe Lin , Qi Wang , Rabab Ward , Z. Jane Wang

We describe a methodology to classify periodic variable stars identified using photometric time-series measurements constructed from the Wide-field Infrared Survey Explorer (WISE) full-mission single-exposure Source Databases. This will…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 Frank J. Masci , Douglas I. Hoffman , Carl J. Grillmair , Roc M. Cutri

{We focus on characterizing the high-energy emission mechanisms of blazars by analyzing the variability in the radio band of the light curves of more than a thousand sources. We are interested in assigning complexity parameters to these…

Data Analysis, Statistics and Probability · Physics 2022-05-11 Belén Acosta-Tripailao , Walter Max-Moerbeck , Denisse Pastén , Pablo S. Moya

This study investigate the effectiveness of using Deep Learning (DL) for the classification of planetary nebulae (PNe). It focusses on distinguishing PNe from other types of objects, as well as their morphological classification. We adopted…

Instrumentation and Methods for Astrophysics · Physics 2021-02-01 Dayang N. F. Awang Iskandar , Albert A. Zijlstra , Iain McDonald , Rosni Abdullah , Gary A. Fuller , Ahmad H. Fauzi , Johari Abdullah

In networks of independent entities that face similar predictive tasks, transfer machine learning enables to re-use and improve neural nets using distributed data sets without the exposure of raw data. As the number of data sets in business…

Machine Learning · Computer Science 2020-03-31 Robin Hirt , Akash Srivastava , Carlos Berg , Niklas Kühl

New time-domain surveys, such as the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST), will observe millions of transient alerts each night, making standard approaches of visually identifying new and interesting transients…

Instrumentation and Methods for Astrophysics · Physics 2022-10-07 Daniel Muthukrishna , Kaisey S. Mandel , Michelle Lochner , Sara Webb , Gautham Narayan

Measuring dataset similarity is fundamental in machine learning, particularly for transfer learning and domain adaptation. In the context of supervised learning, most existing approaches quantify similarity of two data sets based on their…

Machine Learning · Statistics 2026-04-22 Shudong Sun , Hao Helen Zhang , Joseph C Watkins

In this work, we address the question of the adaptability of artificial neural networks (NNs) used for impairments mitigation in optical transmission systems. We demonstrate that by using well-developed techniques based on the concept of…

Signal Processing · Electrical Eng. & Systems 2022-01-05 Pedro J. Freire , Daniel Abode , Jaroslaw E. Prilepsky , Nelson Costa , Bernhard Spinnler , Antonio Napoli , Sergei K. Turitsyn

This paper studies the problem of cross-network node classification to overcome the insufficiency of labeled data in a single network. It aims to leverage the label information in a partially labeled source network to assist node…

Machine Learning · Computer Science 2022-08-02 Quanyu Dai , Xiao-Ming Wu , Jiaren Xiao , Xiao Shen , Dan Wang

We present the Deep-learning Transient Astronomical Object (Deep-TAO), a dataset of 1,249,079 annotated images from the Catalina Real-time Transient Survey, including 3,807 transient and 12,500 non-transient sequences. Deep-TAO has been…

Instrumentation and Methods for Astrophysics · Physics 2025-03-24 John F. Suárez-Pérez , Catalina Gómez , Mauricio Neira , Marcela Hernández Hoyos , Pablo Arbeláez , Jaime E. Forero-Romero

Satellite image analysis has important implications for land use, urbanization, and ecosystem monitoring. Deep learning methods can facilitate the analysis of different satellite modalities, such as electro-optical (EO) and synthetic…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Marcel Hussing , Karen Li , Eric Eaton

Within the last years, the classification of variable stars with Machine Learning has become a mainstream area of research. Recently, visualization of time series is attracting more attention in data science as a tool to visually help…

Instrumentation and Methods for Astrophysics · Physics 2019-03-13 Christian Pieringer , Karim Pichara , Márcio Catelán , Pavlos Protopapas

Transfer learning enhances model performance by utilizing knowledge from related domains, particularly when labeled data is scarce. While existing research addresses transfer learning under various distribution shifts in independent…

Machine Learning · Computer Science 2025-04-30 Liyuan Wang , Jiachen Chen , Kathryn L. Lunetta , Danyang Huang , Huimin Cheng , Debarghya Mukherjee

This paper addresses the problem of transferring useful knowledge from a source network to predict node labels in a newly formed target network. While existing transfer learning research has primarily focused on vector-based data, in which…

Machine Learning · Computer Science 2016-11-15 Meng Fang , Jie Yin , Xingquan Zhu

We apply deep recurrent neural networks, which are capable of learning complex sequential information, to classify supernovae\footnote{Code available at \href{https://github.com/adammoss/supernovae}{https://github.com/adammoss/supernovae}}.…

Instrumentation and Methods for Astrophysics · Physics 2017-05-09 Tom Charnock , Adam Moss

Recent approaches based on artificial neural networks (ANNs) have shown promising results for named-entity recognition (NER). In order to achieve high performances, ANNs need to be trained on a large labeled dataset. However, labels might…

Computation and Language · Computer Science 2017-05-18 Ji Young Lee , Franck Dernoncourt , Peter Szolovits

The volume of data being collected in solar physics has exponentially increased over the past decade and with the introduction of the $\textit{Daniel K. Inouye Solar Telescope}$ (DKIST) we will be entering the age of petabyte solar data.…

Solar and Stellar Astrophysics · Physics 2019-07-10 John A. Armstrong , Lyndsay Fletcher