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Presently, deep learning and convolutional neural networks (CNNs) are widely used in the fields of image processing, image classification, object identification and many more. In this work, we implemented convolutional neural network based…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Jai G Singla , Bakul Vaghela

Extended radio sources present unique challenges for automated detection and classification in wide-field radio surveys. With current surveys such as the Evolutionary Map of the Universe (EMU), robust and scalable methods are essential to…

Solar radio observation is an important way to study the Sun. Solar radio bursts contain important information about solar activity. Therefore, real-time automatic detection and classification of solar radio bursts are of great value for…

天体物理仪器与方法 · 物理学 2025-02-07 Siqi Li , Guowu Yuan , Jian Chen , Chengming Tan , Hao Zhou

Radio signal classification has a very wide range of applications in cognitive radio networks and electromagnetic spectrum monitoring. In this article, we consider scenarios where multiple nodes in the network participate in cooperative…

信号处理 · 电气工程与系统科学 2019-09-16 Shilian Zheng , Shichuan Chen , Xiaoniu Yang

The rapid growth of large-scale radio surveys, generating over 100 petabytes of data annually, has created a pressing need for automated data analysis methods. Recent research has explored the application of machine learning techniques to…

天体物理仪器与方法 · 物理学 2025-10-14 Nikhel Gupta

Machine Learning algorithms are good tools for both classification and prediction purposes. These algorithms can further be used for scientific discoveries from the enormous data being collected in our era. We present ways of discovering…

天体物理仪器与方法 · 物理学 2021-02-26 Shraddha Surana , Yogesh Wadadekar , Divya Oberoi

Automated source extraction and parameterization represents a crucial challenge for the next-generation radio interferometer surveys, such as those performed with the Square Kilometre Array (SKA) and its precursors. In this paper we present…

天体物理仪器与方法 · 物理学 2016-05-09 S. Riggi , A. Ingallinera , P. Leto , F. Cavallaro , F. Bufano , F. Schillirò , C. Trigilio , G. Umana , C. S. Buemi , R. P. Norris

The morphology of radio galaxies is indicative of their interaction with their surroundings, among other effects. Since modern radio surveys contain a large number of radio sources that would be impossible to analyse and classify manually,…

天体物理仪器与方法 · 物理学 2025-07-16 Nicolas Baron Perez , Marcus Brüggen , Gregor Kasieczka , Luisa Lucie-Smith

Point source detection techniques are used to identify and localise point sources in radio astronomical surveys. With the development of the Square Kilometre Array (SKA) telescope, survey images will see a massive increase in size from…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Duncan Tilley , Christopher W. Cleghorn , Kshitij Thorat , Roger Deane

The shear number of sources that will be detected by next-generation radio surveys will be astronomical, which will result in serendipitous discoveries. Data-dependent deep hashing algorithms have been shown to be efficient at image…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Steven Ndung'u , Trienko Grobler , Stefan J. Wijnholds , Dimka Karastoyanova , George Azzopardi

This paper presents a deep learning approach to the classification of 160 shortwave radio signals. It addresses the typical challenges of the shortwave spectrum, which are the large number of different signal types, the presence of various…

信号处理 · 电气工程与系统科学 2025-04-09 Stefan Scholl

Point source detection at low signal-to-noise is challenging for astronomical surveys, particularly in radio interferometry images where the noise is correlated. Machine learning is a promising solution, allowing the development of…

天体物理仪器与方法 · 物理学 2019-04-02 A. Vafaei Sadr , Etienne. E. Vos , Bruce A. Bassett , Zafiirah Hosenie , N. Oozeer , Michelle Lochner

Sound sources localization using multichannel signal processing has been a subject of active research for decades. In recent years, the use of deep learning in audio signal processing has allowed to drastically improve performances for…

音频与语音处理 · 电气工程与系统科学 2021-06-16 Hadrien Pujol , Éric Bavu , Alexandre Garcia

The paper considers the problem of deep-learning-based classification of digitally modulated signals using I/Q data and studies the generalization ability of a trained neural network (NN) to correctly classify digitally modulated signals it…

信号处理 · 电气工程与系统科学 2023-07-06 John A. Snoap , Dimitrie C. Popescu , Chad M. Spooner

Spectrum sensing is a key technology for cognitive radios. We present spectrum sensing as a classification problem and propose a sensing method based on deep learning classification. We normalize the received signal power to overcome the…

信号处理 · 电气工程与系统科学 2019-09-16 Shilian Zheng , Shichuan Chen , Peihan Qi , Huaji Zhou , Xiaoniu Yang

We propose to use neural networks for simultaneous detection and localization of multiple sound sources in human-robot interaction. In contrast to conventional signal processing techniques, neural network-based sound source localization…

声音 · 计算机科学 2018-09-18 Weipeng He , Petr Motlicek , Jean-Marc Odobez

Superclusters and galaxy clusters offer a wide range of astrophysical science topics with regards to studying the evolution and distribution of galaxies, intra-cluster magnetization mediums, cosmic ray accelerations and large scale diffuse…

天体物理仪器与方法 · 物理学 2021-11-04 V. Parekh , R. Kincaid , B. Hugo , A. Ramaila , N. Oozeer

We investigate sequence machine learning techniques on raw radio signal time-series data. By applying deep recurrent neural networks we learn to discriminate between several application layer traffic types on top of a constant envelope…

机器学习 · 计算机科学 2016-10-04 Timothy J. O'Shea , Seth Hitefield , Johnathan Corgan

The scientific study of the Solar System's minor bodies ultimately starts with a search for those bodies. This chapter presents a review of the use of machine learning techniques to find moving objects, both natural and artificial, in…

地球与行星天体物理 · 物理学 2024-05-13 Wesley C. Fraser

The increasing volume of gamma-ray data demands new analysis approaches that can handle large-scale datasets while providing robustness for source detection. We present a Deep Learning (DL) based pipeline for detection, localization, and…