English
Related papers

Related papers: Advanced Image Processing for Astronomical Images

200 papers

In this work we explore the possibility of applying machine learning methods designed for one-dimensional problems to the task of galaxy image classification. The algorithms used for image classification typically rely on multiple costly…

Astrophysics of Galaxies · Physics 2022-02-23 F. Tarsitano , C. Bruderer , K. Schawinski , W. G. Hartley

With the growing amount of astronomical data, there is an increasing need for automated data processing pipelines, which can extract scientific information from observation data without human interventions. A critical aspect of these…

Instrumentation and Methods for Astrophysics · Physics 2024-05-07 Peng Jia , Yu Song , Jiameng Lv , Runyu Ning

Lucky imaging is a technique for high resolution astronomical imaging at visible wavelengths, utilising medium sized ground based telescopes in the 2--4m class. The technique uses high speed, low noise cameras to record short exposures…

Instrumentation and Methods for Astrophysics · Physics 2014-04-24 T. D. Staley

Automatic image aesthetics assessment is a computer vision problem dealing with categorizing images into different aesthetic levels. The categorization is usually done by analyzing an input image and computing some measure of the degree to…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Abbas Anwar , Saira Kanwal , Muhammad Tahir , Muhammad Saqib , Muhammad Uzair , Mohammad Khalid Imam Rahmani , Habib Ullah

Modern astronomy relies on massive databases collected by robotic telescopes and digital sky surveys, acquiring data in a much faster pace than what manual analysis can support. Among other data, these sky surveys collect information about…

Instrumentation and Methods for Astrophysics · Physics 2018-10-29 Evan Kuminski , Lior Shamir

With the volume and availability of astronomical data growing rapidly, astronomers will soon rely on the use of machine learning algorithms in their daily work. This proceeding aims to give an overview of what machine learning is and delve…

Instrumentation and Methods for Astrophysics · Physics 2025-08-06 Sara A. Webb , Simon R. Goode

The article provides a brief description of the software package DECH for processing and analysis of astronomical spectra. DECH supports all stages of processing and analysis of spectral data, including image preprocessing, spectra…

Instrumentation and Methods for Astrophysics · Physics 2025-01-22 G. A. Galazutdinov

The Atacama Large Millimeter/submillimeter Array with the planned electronic upgrades will deliver an unprecedented amount of deep and high resolution observations. Wider fields of view are possible with the consequential cost of image…

Instrumentation and Methods for Astrophysics · Physics 2022-10-05 Fabrizia Guglielmetti , Philipp Arras , Michele Delli Veneri , Torsten Enßlin , Giuseppe Longo , Łukasz Tychoniec , Eric Villard

The decomposition of an image into a linear combination of digitised basis functions is an everyday task in astronomy. A general method is presented for performing such a decomposition optimally into an arbitrary set of digitised basis…

Astrophysics · Physics 2009-11-10 R. H. Berry , M. P. Hobson , S. Withington

We propose a new method for solving an important problem of astronomy that arises in observations with ultrahigh-angular-resolution interferometers. This method is based on the application of the theory of artificial neural networks. We…

Instrumentation and Methods for Astrophysics · Physics 2019-06-26 Alexander Shatskiy , Ivan Evgeniev

Calculating leaf area is very important. Computer aided image processing can make this faster and more accurate. This include scanning the leaf , converting it to binary image and calculation of number of pixels covered. Later this is…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 G. D. Illeperuma

While tunable filters are a recent development in night time astronomy, they have long been used in other physical sciences, e.g. solar physics, remote sensing and underwater communications. With their ability to tune precisely to a given…

Astrophysics · Physics 2007-05-23 J. Bland-Hawthorn

The cosmological redshift of a galaxy's light is inferable from its observable properties in images. Because imaging is much easier to acquire than spectroscopic observations that would allow the identification of distinct line features,…

Instrumentation and Methods for Astrophysics · Physics 2026-05-11 Luca Tortorelli , Daniel Grün

Microscopy image enhancement plays a pivotal role in understanding the details of biological cells and materials at microscopic scales. In recent years, there has been a significant rise in the advancement of microscopy image enhancement,…

Image and Video Processing · Electrical Eng. & Systems 2025-09-29 Debasish Dutta , Neeharika Sonowal , Risheraj Barauh , Deepjyoti Chetia , Sanjib Kr Kalita

Astronomy is increasingly encountering two fundamental truths: (1) The field is faced with the task of extracting useful information from extremely large, complex, and high dimensional datasets; (2) The techniques of astroinformatics and…

Instrumentation and Methods for Astrophysics · Physics 2011-10-28 Nicholas M. Ball

Astronomical images are essential for exploring and understanding the universe. Optical telescopes capable of deep observations, such as the Hubble Space Telescope, are heavily oversubscribed in the Astronomical Community. Images also often…

Instrumentation and Methods for Astrophysics · Physics 2020-11-25 Antonia Vojtekova , Maggie Lieu , Ivan Valtchanov , Bruno Altieri , Lyndsay Old , Qifeng Chen , Filip Hroch

The prevalence of AI-generated imagery has raised concerns about the authenticity of astronomical images, especially with advanced text-to-image models like Stable Diffusion producing highly realistic synthetic samples. Existing detection…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Mohammed Talha Alam , Raza Imam , Mohsen Guizani , Fakhri Karray

Asteroseismology has the capability of delivering stellar properties which would otherwise be inaccessible, such as radii, masses and thus ages of stars. When coupling this information with classical determinations of stellar parameters,…

Solar and Stellar Astrophysics · Physics 2015-06-22 Luca Casagrande

The simple physics of microlensing provides a well-understood tool with which to probe the atmospheres of distant stars in the Galaxy and Local Group with high magnification and resolution. Recent results in measuring stellar surface…

Astrophysics · Physics 2007-05-23 Penny D. Sackett

Deep learning has received extensive research interest in developing new medical image processing algorithms, and deep learning based models have been remarkably successful in a variety of medical imaging tasks to support disease detection…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Xuxin Chen , Ximin Wang , Ke Zhang , Kar-Ming Fung , Theresa C. Thai , Kathleen Moore , Robert S. Mannel , Hong Liu , Bin Zheng , Yuchen Qiu