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Machine learning has been widely applied to clearly defined problems of astronomy and astrophysics. However, deep learning and its conceptual differences to classical machine learning have been largely overlooked in these fields. The broad…

Instrumentation and Methods for Astrophysics · Physics 2024-10-15 Nima Sedaghat , Martino Romaniello , Jonathan E. Carrick , François-Xavier Pineau

We demonstrate that generative deep learning can translate galaxy observations across ultraviolet, visible, and infrared photometric bands. Leveraging mock observations from the Illustris simulations, we develop and validate a supervised…

Instrumentation and Methods for Astrophysics · Physics 2025-01-28 Youssef Zaazou , Alex Bihlo , Terrence S. Tricco

Multi-band images of galaxies reveal a huge amount of information about their morphology and structure. However, inferring properties of the underlying stellar populations such as age, metallicity or kinematics from those images is…

Astrophysics of Galaxies · Physics 2021-11-03 Tobias Buck , Steffen Wolf

How can we find interpretable, domain-appropriate models of natural phenomena given some complex, raw data such as images? Can we use such models to derive scientific insight from the data? In this paper, we propose some methods for…

Machine Learning · Computer Science 2024-02-06 Christopher J. Soelistyo , Alan R. Lowe

During the last decade, there has been an explosive growth in survey data and deep learning techniques, both of which have enabled great advances for astronomy. The amount of data from various surveys from multiple epochs with a wide range…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Brandon Buncher , Awshesh Nath Sharma , Matias Carrasco Kind

We present a deep machine learning (ML) approach to constraining cosmological parameters with multi-wavelength observations of galaxy clusters. The ML approach has two components: an encoder that builds a compressed representation of each…

Instrumentation and Methods for Astrophysics · Physics 2022-02-16 Michelle Ntampaka , Alexey Vikhlinin

Relations between stellar properties independent of the nuclear equation of state offer profound insights into neutron star physics and have practical applications in data analysis. Commonly, these relations are derived from utilizing…

High Energy Astrophysical Phenomena · Physics 2025-12-10 Grigorios Papigkiotis , Georgios Vardakas , Nikolaos Stergioulas

Galaxy morphology reflects structural properties which contribute to understand the formation and evolution of galaxies. Deep convolutional networks have proven to be very successful in learning hidden features that allow for unprecedented…

Astrophysics of Galaxies · Physics 2022-12-07 Shoulin Wei , Yadi Li , Wei Lu , Nan Li , Bo Liang , Wei Dai , Zhijian Zhang

In the domain of scientific imaging, interpreting visual data often demands an intricate combination of human expertise and deep comprehension of the subject materials. This study presents a novel methodology to linguistically emulate and…

Machine Learning · Computer Science 2023-09-27 Abdulelah S. Alshehri , Franklin L. Lee , Shihu Wang

Estimating stellar masses for billions of galaxies in upcoming surveys requires methods that are both accurate and computationally efficient. We present a new approach using symbolic regression trained on a simulation to derive simple,…

Robust measurements of cosmological parameters from galaxy surveys rely on our understanding of systematic effects that impact the observed galaxy density field. In this paper we present, validate, and implement the idea of adopting the…

Cosmology and Nongalactic Astrophysics · Physics 2020-05-20 Mehdi Rezaie , Hee-Jong Seo , Ashley J. Ross , Razvan C. Bunescu

Planet-scale photo geolocalization is the complex task of estimating the location depicted in an image solely based on its visual content. Due to the success of convolutional neural networks (CNNs), current approaches achieve super-human…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Jonas Theiner , Eric Mueller-Budack , Ralph Ewerth

Deep learning shows promise for medical image analysis but lacks interpretability, hindering adoption in healthcare. Attribution techniques that explain model reasoning may increase trust in deep learning among clinical stakeholders. This…

Machine Learning · Computer Science 2023-08-08 Yusuf Brima , Marcellin Atemkeng

One of the most important properties of a galaxy is the total stellar mass, or equivalently the stellar mass-to-light ratio (M/L). It is not directly observable, but can be estimated from stellar population synthesis. Currently, a galaxy's…

Astrophysics of Galaxies · Physics 2019-04-24 Wouter Dobbels , Serge Krier , Stephan Pirson , Sébastien Viaene , Gert De Geyter , Samir Salim , Maarten Baes

Deep learning methods, in particular convolutional neural networks, have emerged as a powerful tool in medical image computing tasks. While these complex models provide excellent performance, their black-box nature may hinder real-world…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Yuzhe Lu , Adam Perer

Stellar astrophysics relies on diverse observational modalities-primarily photometric light curves and spectroscopic data from which fundamental stellar properties are inferred. While machine learning (ML) has advanced analysis within…

Solar and Stellar Astrophysics · Physics 2025-10-07 Ilay Kamai , Alex M. Bronstein , Hagai B. Perets

Data-driven astrophysics currently relies on the detection and characterisation of correlations between objects' properties, which are then used to test physical theories that make predictions for them. This process fails to utilise…

Astrophysics of Galaxies · Physics 2026-03-17 Harry Desmond , Joseph Ramsey

Upcoming large astronomical surveys are expected to capture an unprecedented number of strong gravitational lensing systems. Deep learning is emerging as a promising practical tool for the detection and quantification of these galaxy-scale…

Multimodal sentiment analysis is an important area for understanding the user's internal states. Deep learning methods were effective, but the problem of poor interpretability has gradually gained attention. Previous works have attempted to…

Computation and Language · Computer Science 2023-05-15 Sixia Li , Shogo Okada

Galaxy image translation is an important application in galaxy physics and cosmology. With deep learning-based generative models, image translation has been performed for image generation, data quality enhancement, information extraction,…

Instrumentation and Methods for Astrophysics · Physics 2025-09-10 Hengxin Ruan , Qiufan Lin , Shupei Chen , Yang Wang , Wei Zhang
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