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This paper focuses on a comparison of the space densities of FRI and FRII sources at different epochs, with a particular focus on FRI sources. First, we present the concluding steps in constructing the Combined NVSS-FIRST Galaxy catalogue…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Melanie A. Gendre , P. N. Best , J. V. Wall

We present a novel multimodal neural network (MNN) for classifying astronomical sources in multiband ground-based observations, from optical to near infrared, to separate sources in stars, galaxies and quasars. Our approach combines a…

We present a model for generating postage stamp images of synthetic Fanaroff-Riley Class I and Class II radio galaxies suitable for use in simulations of future radio surveys such as those being developed for the Square Kilometre Array.…

Instrumentation and Methods for Astrophysics · Physics 2021-03-24 David J. Bastien , Anna M. M. Scaife , Hongming Tang , Micah Bowles , Fiona Porter

A definitive diagnosis of a brain tumour is essential for enhancing treatment success and patient survival. However, it is difficult to manually evaluate multiple magnetic resonance imaging (MRI) images generated in a clinic. Therefore,…

Neural and Evolutionary Computing · Computer Science 2022-04-27 Amin Abdollahi Dehkordi , Mina Hashemi , Mehdi Neshat , Seyedali Mirjalili , Ali Safaa Sadiq

Fanaroff-Riley class I (FRI) radio galaxies show centre-brightened emission from disrupted lower power jets, while traditionally more luminous class II (FRIIs), are edge-brightened, with relativistic jets terminating in hotspots. Population…

Astrophysics of Galaxies · Physics 2026-05-11 B. Barkus , J. H. Croston , B. Mingo , M. J. Hardcastle , G. Gürkan , V. H. Mahatma

Glioma constitutes 80% of malignant primary brain tumors and is usually classified as HGG and LGG. The LGG tumors are less aggressive, with slower growth rate as compared to HGG, and are responsive to therapy. Tumor biopsy being challenging…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Subhashis Banerjee , Sushmita Mitra , Francesco Masulli , Stefano Rovetta

We present the catalogue of Radio sources associated with Optical Galaxies and having Unresolved or Extended morphologies I (ROGUE I). It was generated by cross-matching galaxies from the Sloan Digital Sky Survey Data Release 7 (SDSS DR 7)…

Astrophysics of Galaxies · Physics 2021-07-14 Natalia Żywucka , Dorota Kozieł-Wierzbowska , Arti Goyal

Successful fine-grained image classification methods learn subtle details between visually similar (sub-)classes, but the problem becomes significantly more challenging if the details are missing due to low resolution. Encouraged by the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Dingding Cai , Ke Chen , Yanlin Qian , Joni-Kristian Kämäräinen

Deep learning has recently been successfully applied in automatic modulation classification by extracting and classifying radio features in an end-to-end way. However, deep learning-based radio modulation classifiers are lack of…

Machine Learning · Computer Science 2021-01-19 Liang Huang , You Zhang , Weijian Pan , Jinyin Chen , Li Ping Qian , Yuan Wu

Recently, the end-to-end approach that learns hierarchical representations from raw data using deep convolutional neural networks has been successfully explored in the image, text and speech domains. This approach was applied to musical…

Sound · Computer Science 2017-05-23 Jongpil Lee , Jiyoung Park , Keunhyoung Luke Kim , Juhan Nam

Deep convolutional neural networks (CNNs) have been actively adopted in the field of music information retrieval, e.g. genre classification, mood detection, and chord recognition. However, the process of learning and prediction is little…

Machine Learning · Computer Science 2016-07-11 Keunwoo Choi , George Fazekas , Mark Sandler

Image processing concepts can visualize the different anatomy structure of the human body. Recent advancements in the field of deep learning have made it possible to detect the growth of cancerous tissue just by a patient's brain Magnetic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Priyansh Saxena , Akshat Maheshwari , Saumil Maheshwari

With several new large-scale surveys on the horizon, including LSST, TESS, ZTF, and Evryscope, faster and more accurate analysis methods will be required to adequately process the enormous amount of data produced. Deep learning, used in…

Instrumentation and Methods for Astrophysics · Physics 2023-06-02 Emily M. Boudreaux

We present morphological classifications obtained using machine learning for objects in SDSS DR6 that have been classified by Galaxy Zoo into three classes, namely early types, spirals and point sources/artifacts. An artificial neural…

In this paper we introduce a reliable, fully automated and fast algorithm to detect extended extragalactic radio sources (cluster of galaxies, filaments) in existing and forthcoming surveys (like LOFAR and SKA). The proposed solution is…

Instrumentation and Methods for Astrophysics · Physics 2018-09-11 Claudio Gheller , Franco Vazza , Annalisa Bonafede

We apply classical machine vision and machine deep learning methods to prototype signal classifiers for the search for extraterrestrial intelligence. Our novel approach uses two-dimensional spectrograms of measured and simulated radio…

Instrumentation and Methods for Astrophysics · Physics 2019-02-08 G. R. Harp , Jon Richards , Seth Shostak Jill C. Tarter , Graham Mackintosh , Jeffrey D. Scargle , Chris Henze , Bron Nelson , G. A. Cox , S. Egly , S. Vinodababu , J. Voien

Background and Aim: Recently, deep learning using convolutional neural network has been used successfully to classify the images of breast cells accurately. However, the accuracy of manual classification of those histopathological images is…

Image and Video Processing · Electrical Eng. & Systems 2021-08-11 Ashu Thapa , Abeer Alsadoon , P. W. C. Prasad , Simi Bajaj , Omar Hisham Alsadoon , Tarik A. Rashid , Rasha S. Ali , Oday D. Jerew

This study presents the first comprehensive comparison of rule-based methods, traditional machine learning models, and deep learning models in radio wave sensing with frequency modulated continuous wave multiple input multiple output radar.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Tomoya Tanaka , Tomonori Ikeda , Ryo Yonemoto

Radial basis function neural networks (RBFs) are prime candidates for pattern classification and regression and have been used extensively in classical machine learning applications. However, RBFs have not been integrated into contemporary…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Mohammadreza Amirian , Friedhelm Schwenker

Deep learning, as a promising new area of machine learning, has attracted a rapidly increasing attention in the field of medical imaging. Compared to the conventional machine learning methods, deep learning requires no hand-tuned feature…

Quantitative Methods · Quantitative Biology 2016-11-29 He Yang , Hengyong Yu , Ge Wang
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