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High-dimensional astronomical data cubes provide a wealth of spectral and structural information that can be used to study astrophysical and chemical processes. The complexity and sheer size of these datasets pose significant challenges in…

Instrumentation and Methods for Astrophysics · Physics 2025-12-18 Haley N. Scolati , Ryan A. Loomis , Anthony J. Remijan , Kin Long Kelvin Lee

Modern astronomical surveys are producing datasets of unprecedented size and richness, increasing the potential for high-impact scientific discovery. This possibility, coupled with the challenge of exploring a large number of sources, has…

Instrumentation and Methods for Astrophysics · Physics 2024-04-01 Verlon Etsebeth , Michelle Lochner , Mike Walmsley , Margherita Grespan

We consider the problem of analyzing the structure of spectroscopic cubes using unsupervised machine learning techniques. We propose representing the target's signal as a homogeneous set of volumes through an iterative algorithm that…

Instrumentation and Methods for Astrophysics · Physics 2018-06-15 Mauricio Araya , Marcelo Mendoza , Mauricio Solar , Diego Mardones , Amelia Bayo

The digital revolution is transforming astronomy from a data-starved to a data-submerged science. Instruments such as the Atacama Large Millimeter Array (ALMA), the Large Synoptic Survey Telescope (LSST), and the Square Kilometer Array…

Instrumentation and Methods for Astrophysics · Physics 2012-09-25 Melvyn Wright

Detecting small objects over large areas remains a significant challenge in satellite imagery analytics. Among the challenges is the sheer number of pixels and geographical extent per image: a single DigitalGlobe satellite image encompasses…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Adam Van Etten

I developed a new pure-python pipeline to reduce photometric and polarimetric data: ASTROPOP. It has been designed and optimized to work fully automated with the IAGPOL polarimeter of Pico dos Dias observatory (OPD, Brazil) and can reduce…

Instrumentation and Methods for Astrophysics · Physics 2018-12-26 Julio Cesar Neves Campagnolo

Unsupervised learning algorithms like self-organizing Kohonen maps are a promising approach to gain an overview among massive datasets. With UltraPINK, researchers can train, inspect, and explore self-organizing maps, whereby the toolbox of…

Instrumentation and Methods for Astrophysics · Physics 2025-05-01 Fenja Kollasch , Kai Polsterer

We present AstroCLIP, a single, versatile model that can embed both galaxy images and spectra into a shared, physically meaningful latent space. These embeddings can then be used - without any model fine-tuning - for a variety of downstream…

In modern assembly pipelines, identifying anomalies is crucial in ensuring product quality and operational efficiency. Conventional single-modality methods fail to capture the intricate relationships required for precise anomaly prediction…

Machine Learning · Computer Science 2025-05-13 Chathurangi Shyalika , Renjith Prasad , Fadi El Kalach , Revathy Venkataramanan , Ramtin Zand , Ramy Harik , Amit Sheth

Correlative computational microscopy can accelerate imaging and modeling of cellular dynamics by relaxing trade-offs inherent to dynamic imaging. Existing computational microscopy frameworks are either specialized or overly generic,…

To address the semantic inconsistency issue with SAM or other single-image segmentation models handling image sequences, we introduce BYOCL. This novel model outperforms SAM in extensive experiments, showcasing its Hierarchical prototype…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Jiayue Dai , Yunya Wang , Yihan Fang , Yuetong Chen , Butian Xiong

HEALPix -- the Hierarchical Equal Area iso-Latitude Pixelization -- is a versatile data structure with an associated library of computational algorithms and visualization software that supports fast scientific applications executable…

Astrophysics · Physics 2011-05-05 K. M. Gorski , E. Hivon , A. J. Banday , B. D. Wandelt , F. K. Hansen , M. Reinecke , M. Bartelman

We apply the technique of self-organising maps (Kohonen 1990) to the automated classification of singly periodic astronomical lightcurves. We find that our maps readily distinguish between lightcurve types in both synthetic and real…

Astrophysics · Physics 2009-11-10 David R. Brett , Richard G. West , Peter J. Wheatley

Current and future astronomical survey facilities provide a remarkably rich opportunity for transient astronomy, combining unprecedented fields of view with high sensitivity and the ability to access previously unexplored wavelength…

Clinical prognostic models derived from largescale healthcare data can inform critical diagnostic and therapeutic decisions. To enable off-theshelf usage of machine learning (ML) in prognostic research, we developed AUTOPROGNOSIS: a system…

Machine Learning · Computer Science 2018-02-21 Ahmed M. Alaa , Mihaela van der Schaar

A common class of problems in remote sensing is scene classification, a fundamentally important task for natural hazards identification, geographic image retrieval, and environment monitoring. Recent developments in this field rely…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Suhas Kotha , Anirudh Koul , Siddha Ganju , Meher Kasam

While machine learning (ML) includes a valuable array of tools for analyzing biomedical data, significant time and expertise is required to assemble effective, rigorous, and unbiased pipelines. Automated ML (AutoML) tools seek to facilitate…

This paper describes a new approach to the optimization of information extraction in multi-wavelength image cubes of cosmological fields. The objective is to create a framework for the automatic identification and tagging of sources…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Maria Jose Marquez

We conduct a systematic robustness analysis of the unsupervised machine learning module within the hybrid framework \texttt{USmorph}. This module automatically discovers morphological structures from large-scale galaxy images, forming the…

Astrophysics of Galaxies · Physics 2026-05-21 Guanwen Fang , Xiaolei Yin , Yirui Zheng , Zesen Lin , Shiwei Zhu , Jie Song , Chichun Zhou , Xu Kong

Machine learning (ML) offers powerful methods for detecting and modeling associations often in data with large feature spaces and complex associations. Many useful tools/packages (e.g. scikit-learn) have been developed to make the various…

Machine Learning · Computer Science 2022-06-27 Ryan J. Urbanowicz , Robert Zhang , Yuhan Cui , Pranshu Suri