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相关论文: Morphological Classification of Radio Galaxies wit…

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Novel techniques are indispensable to process the flood of data from the new generation of radio telescopes. In particular, the classification of astronomical sources in images is challenging. Morphological classification of radio galaxies…

State-of-the-art radio observatories produce large amounts of data which can be used to study the properties of radio galaxies. However, with this rapid increase in data volume, it has become unrealistic to manually process all of the…

天体物理仪器与方法 · 物理学 2023-04-12 Kevin Brand , Trienko L. Grobler , Waldo Kleynhans , Mattia Vaccari , Matthew Prescott , Burger Becker

Machine learning techniques have been increasingly useful in astronomical applications over the last few years, for example in the morphological classification of galaxies. Convolutional neural networks have proven to be highly effective in…

天体物理仪器与方法 · 物理学 2018-02-07 V. Lukic , M. Brüggen , J. K. Banfield , O. I. Wong , L. Rudnick , R. P. Norris , B. Simmons

Machine learning techniques have been increasingly used in astronomical applications and have proven to successfully classify objects in image data with high accuracy. The current work uses archival data from the Faint Images of the Radio…

星系天体物理 · 物理学 2021-07-02 Viera Maslej-Krešňáková , Khadija El Bouchefry , Peter Butka

We present the application of deep machine learning technique to classify radio images of extended sources on a morphological basis using convolutional neural networks. In this study, we have taken the case of Fanaroff-Riley (FR) class of…

天体物理仪器与方法 · 物理学 2017-06-28 Arun Aniyan , Kshitij Thorat

The morphological classification of radio sources is important to gain a full understanding of galaxy evolution processes and their relation with local environmental properties. Furthermore, the complex nature of the problem, its appeal for…

星系天体物理 · 物理学 2021-02-09 Burger Becker , Mattia Vaccari , Matthew Prescott , Trienko Lups Grobler

In this work, we explore the potential of multi-domain multi-branch convolutional neural networks (CNNs) for identifying comparatively rare giant radio galaxies from large volumes of survey data, such as those expected for new-generation…

天体物理仪器与方法 · 物理学 2021-12-22 H. Tang , A. M. M. Scaife , O. I. Wong , S. S. Shabala

The continuum emission from radio galaxies can be generally classified into different morphological classes such as FRI, FRII, Bent, or Compact. In this paper, we explore the task of radio galaxy classification based on morphology using…

天体物理仪器与方法 · 物理学 2021-11-02 Ashwin Samudre , Lijo George , Mahak Bansal , Yogesh Wadadekar

The field of radio astronomy is witnessing a boom in the amount of data produced per day due to newly commissioned radio telescopes. One of the most crucial problems in this field is the automatic classification of extragalactic radio…

天体物理仪器与方法 · 物理学 2023-08-04 Abdollah Masoud Darya , Ilias Fernini , Marley Vellasco , Abir Hussain

Galaxy morphology classification plays a crucial role in understanding the structure and evolution of the universe. With galaxy observation data growing exponentially, machine learning has become a core technology for this classification…

星系天体物理 · 物理学 2025-05-29 Zhijian Luo , Jianzhen Chen , Zhu Chen , Shaohua Zhang , Liping Fu , Hubing Xiao , Chenggang Shu

Modern radio telescope surveys, capable of detecting billions of galaxies in wide-field surveys, have made manual morphological classification impracticable. This applies in particular when the Square Kilometre Array Observatory (SKAO)…

星系天体物理 · 物理学 2026-01-09 Philipp Denzel , Manuel Weiss , Elena Gavagnin , Frank-Peter Schilling

Classification of galactic morphologies is a crucial task in galactic astronomy, and identifying fine structures of galaxies (e.g., spiral arms, bars, and clumps) is an essential ingredient in such a classification task. However, seeing…

天体物理仪器与方法 · 物理学 2021-03-30 Fang Kai Gan , Kenji Bekki , Abdolhosein Hashemizadeh

The upcoming next-generation large area radio continuum surveys can expect tens of millions of radio sources, rendering the traditional method for radio morphology classification through visual inspection unfeasible. We present ClaRAN -…

Classifying the morphologies of radio galaxies is important to understand their physical properties and evolutionary histories. A galaxy's morphology is often determined by visual inspection, but as survey size increases robust automated…

天体物理仪器与方法 · 物理学 2024-07-02 Emma Tolley

Due to the latest advances in technology, telescopes with significant sky coverage will produce millions of astronomical alerts per night that must be classified both rapidly and automatically. Currently, classification consists of…

天体物理仪器与方法 · 物理学 2022-08-17 Germán García-Jara , Pavlos Protopapas , Pablo A. Estévez

Medical image classification is one of the most critical problems in the image recognition area. One of the major challenges in this field is the scarcity of labelled training data. Additionally, there is often class imbalance in datasets…

图像与视频处理 · 电气工程与系统科学 2022-09-29 Khushboo Mehra , Hassan Soliman , Soumya Ranjan Sahoo

This study proposes the use of generative models (GANs) for augmenting the EuroSAT dataset for the Land Use and Land Cover (LULC) Classification task. We used DCGAN and WGAN-GP to generate images for each class in the dataset. We then…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Oluwadara Adedeji , Peter Owoade , Opeyemi Ajayi , Olayiwola Arowolo

Deep learning approaches to breast cancer detection in mammograms have recently shown promising results. However, such models are constrained by the limited size of publicly available mammography datasets, in large part due to privacy…

计算机视觉与模式识别 · 计算机科学 2018-08-27 Eric Wu , Kevin Wu , David Cox , William Lotter

Next-generation radio surveys will yield an unprecedented amount of data, warranting analysis by use of machine learning techniques. Convolutional neural networks are the deep learning technique that has proven to be the most successful in…

天体物理仪器与方法 · 物理学 2019-05-29 V. Lukic , M. Brüggen , B. Mingo , J. H. Croston , G. Kasieczka , P. N. Best

Deep artificial neural networks require a large corpus of training data in order to effectively learn, where collection of such training data is often expensive and laborious. Data augmentation overcomes this issue by artificially inflating…

机器学习 · 计算机科学 2017-08-22 Luke Taylor , Geoff Nitschke
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