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Related papers: Deep-TAO: The Deep Learning Transient Astronomical…

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We introduce QuasarNET, a deep convolutional neural network that performs classification and redshift estimation of astrophysical spectra with human-expert accuracy. We pose these two tasks as a \emph{feature detection} problem: presence or…

Instrumentation and Methods for Astrophysics · Physics 2018-08-31 Nicolas Busca , Christophe Balland

Temporal sampling does more than add another axis to the vector of observables. Instead, under the recognition that how objects change (and move) in time speaks directly to the physics underlying astronomical phenomena, next-generation…

Astrophysics · Physics 2009-06-25 J. S. Bloom , D. L. Starr , N. R. Butler , P. Nugent , M. Rischard , D. Eads , D. Poznanski

The need for large annotated image datasets for training Convolutional Neural Networks (CNNs) has been a significant impediment for their adoption in computer vision applications. We show that with transfer learning an effective object…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Param S. Rajpura , Hristo Bojinov , Ravi S. Hegde

Wide-field time domain facilities detect transient events in large numbers through difference imaging. For example, Zwicky Transient Facility produces alerts for hundreds of thousands of transient events per night, a rate set to be dwarfed…

Solar and Stellar Astrophysics · Physics 2022-10-12 D. Mistry , C. M. Copperwheat , M. J. Darnley , I. Olier

The rate of image acquisition in modern synoptic imaging surveys has already begun to outpace the feasibility of keeping astronomers in the real-time discovery and classification loop. Here we present the inner workings of a framework,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 J. S. Bloom , J. W. Richards , P. E. Nugent , R. M. Quimby , M. M. Kasliwal , D. L. Starr , D. Poznanski , E. O. Ofek , S. B. Cenko , N. R. Butler , S. R. Kulkarni , A. Gal-Yam , N. Law

This study applied representation learning algorithms to satellite images and evaluated the learned latent spaces with classifications of various weather events. The algorithms investigated include the classical linear transformation, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Ting-Shuo Yo , Shih-Hao Su , Chien-Ming Wu , Wei-Ting Chen , Jung-Lien Chu , Chiao-Wei Chang , Hung-Chi Kuo

The exploitation of present and future synoptic (multi-band and multi-epoch) surveys requires an extensive use of automatic methods for data processing and data interpretation. In this work, using data extracted from the Catalina Real Time…

Instrumentation and Methods for Astrophysics · Physics 2016-02-29 Antonio D'Isanto , Stefano Cavuoti , Massimo Brescia , Ciro Donalek , Giuseppe Longo , Giuseppe Riccio , Stanislav G. Djorgovski

In recent decades, the use of optical detection systems for meteor studies has increased dramatically, resulting in huge amounts of data being analyzed. Automated meteor detection tools are essential for studying the continuous meteoroid…

Earth and Planetary Astrophysics · Physics 2024-05-29 Eloy Peña-Asensio , Josep M. Trigo-Rodríguez , Pau Grèbol-Tomàs , David Regordosa-Avellana , Albert Rimola

Optical transmission spectroscopy is one method to understand brain tissue structural properties from brain tissue biopsy samples, yet manual interpretation is resource intensive and prone to inter observer variability. Deep convolutional…

Medical Physics · Physics 2025-05-20 Mohnish Sao , Mousa Alrubayan , Prabhakar Pradhan

The next generation of wide-field deep astronomical surveys will deliver unprecedented amounts of images through the 2020s and beyond. As both the sensitivity and depth of observations increase, more blended sources will be detected. This…

Instrumentation and Methods for Astrophysics · Physics 2024-12-02 G. M. Merz , Y. Liu , C. J. Burke , P. D. Aleo , X. Liu , M. C. Kind , V. Kindratenko , Y. Liu

In this paper, we propose a simple yet effective transformer framework for self-supervised learning called DenseDINO to learn dense visual representations. To exploit the spatial information that the dense prediction tasks require but…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Yike Yuan , Xinghe Fu , Yunlong Yu , Xi Li

Large sky surveys are increasingly relying on image subtraction pipelines for real-time (and archival) transient detection. In this process one has to contend with varying PSF, small brightness variations in many sources, as well as…

Instrumentation and Methods for Astrophysics · Physics 2018-04-25 Nima Sedaghat , Ashish Mahabal

Reusable model design becomes desirable with the rapid expansion of computer vision and machine learning applications. In this paper, we focus on the reusability of pre-trained deep convolutional models. Specifically, different from…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Xiu-Shen Wei , Chen-Lin Zhang , Jianxin Wu , Chunhua Shen , Zhi-Hua Zhou

The uprising trend of deep learning in computer vision and artificial intelligence can simply not be ignored. On the most diverse tasks, from recognition and detection to segmentation, deep learning is able to obtain state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Steven Puttemans , Timothy Callemein , Toon Goedemé

Object detection using automotive radars has not been explored with deep learning models in comparison to the camera based approaches. This can be attributed to the lack of public radar datasets. In this paper, we collect a novel radar…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Ao Zhang , Farzan Erlik Nowruzi , Robert Laganiere

Detection and classification of objects in overhead images are two important and challenging problems in computer vision. Among various research areas in this domain, the task of fine-grained classification of objects in overhead images has…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Eran Dahan , Tzvi Diskin , Amit Amram , Amit Moryossef , Omer Koren

We apply a Machine Learning technique known as Convolutional Denoising Autoencoder to denoise synthetic images of state-of-the-art radio telescopes, with the goal of detecting the faint, diffused radio sources predicted to characterise the…

Instrumentation and Methods for Astrophysics · Physics 2021-11-03 Claudio Gheller , Franco Vazza

Access to high resolution satellite imagery has dramatically increased in recent years as several new constellations have entered service. High revisit frequencies as well as improved resolution has widened the use cases of satellite…

Image and Video Processing · Electrical Eng. & Systems 2021-08-06 Michael Thoreau , Frazer Wilson

For transient sources with timescales of 1-100 seconds, standardized imaging for all observations at each time step become impossible as large modern interferometers produce significantly large data volumes in this observation time frame.…

Instrumentation and Methods for Astrophysics · Physics 2022-04-06 Xia Zhang , Foivos I. Diakogiannis , Richard Dodson , Andreas Wicenec
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