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We describe Rabacus, a Python package for calculating the transfer of hydrogen ionizing radiation in simplified geometries relevant to astronomy and cosmology. We present example solutions for three specific cases: 1) a semi-infinite slab…

Cosmology and Nongalactic Astrophysics · Physics 2015-02-26 Gabriel Altay , John Wise

POLEVAL provides a software toolbox for collaborative, persistent and reproducible analysis of XPS experiments. It allows to treat, analyse and visualise the results of an extended experimental campaign in a single python notebook in a…

Materials Science · Physics 2025-05-21 Robin Yoël Engel , Patrick Lömker

A new statistical model designed for regression analysis with a sparse design matrix is proposed. This new model utilizes the positions of the limited non-zero elements in the design matrix to decompose the regression model into…

Applications · Statistics 2022-01-17 Hsien-Wei Chen

We present Artificial Stellar Populations (ArtPop), an open-source Python package for synthesizing stellar populations and generating artificial images of fully populated stellar systems. The code is designed to be intuitive to use and as…

Astrophysics of Galaxies · Physics 2022-12-21 Johnny P. Greco , Shany Danieli

SkyPy is an open-source Python package for simulating the astrophysical sky. It comprises a library of physical and empirical models across a range of observables and a command-line script to run end-to-end simulations. The library provides…

Incorporating semantic information into the codecs during image compression can significantly reduce the repetitive computation of fundamental semantic analysis (such as object recognition) in client-side applications. The same practice…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Sihui Luo , Yezhou Yang , Mingli Song

The nature of dark matter remains one of the key science questions. Weakly Interacting Massive Particles (WIMPs) are among the best motivated particle physics candidates, allowing to explain the measured dark matter density by employing…

High Energy Physics - Phenomenology · Physics 2018-08-27 Torsten Bringmann , Joakim Edsjo , Paolo Gondolo , Piero Ullio , Lars Bergstrom

QwaveMPS is an open-source Python library for simulating one-dimensional quantum many-body waveguide systems using matrix product states (MPS). It provides a user-friendly interface for constructing, evolving, and analyzing quantum states…

Quantum Physics · Physics 2026-02-26 Sofia Arranz Regidor , Matthew Kozma , Stephen Hughes

HEALPix -- the Hierarchical Equal Area isoLatitude Pixelization -- has become a standard in high-energy and gravitational wave astronomy. Originally developed to improve the efficiency of all-sky Fourier analyses, it is now also utilized to…

Instrumentation and Methods for Astrophysics · Physics 2022-05-18 I. Martinez-Castellanos , Leo P. Singer , E. Burns , D. Tak , Alyson Joens , Judith L. Racusin , Jeremy S. Perkins

Modern time series analysis demands frameworks that are flexible, efficient, and extensible. However, many existing Python libraries exhibit limitations in modularity and in their native support for irregular, multi-source, or sparse data.…

Machine Learning · Computer Science 2025-08-27 Zhijin Wang , Senzhen Wu , Yue Hu , Xiufeng Liu

The CASPER (Collaboration for Astronomy Signal Processing and Electronic Research) toolflow is a widely used framework for designing and implementing digital signal processing systems, particularly in the field of radio astronomy. It…

Instrumentation and Methods for Astrophysics · Physics 2026-04-15 Wei Liu , Jonathon Kocz , Dan Werthimer

ixpeobssim is a simulation and analysis framework, based on the Python programming language and the associated scientific ecosystem, specifically developed for the Imaging X-ray Polarimetry Explorer (IXPE). Given a source model and the…

Instrumentation and Methods for Astrophysics · Physics 2022-09-23 L. Baldini , N. Bucciantini , N. Di Lalla , S. R. Ehlert , A. Manfreda , M. Negro , N. Omodei , M. Pesce-Rollins , C. Sgrò , S. Silvestri

This paper is a guide to the installation and use of the Python package PYESSENCE. PYESSENCE is designed to evolve linear perturbations to Coupled Quintessence models with a arbitrary number of cold dark matter (CDM) fluids and dark energy…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-10 Alexander Leithes

The paper introduces a framework for the recoverability analysis in compressive sensing for imaging applications such as CI cameras, rapid MRI and coded apertures. This is done using the fact that the Spherical Section Property (SSP) of a…

Information Theory · Computer Science 2012-12-07 Mahdi S. Hosseini , Konstantinos N. Plataniotis

This paper extends the sample complexity theory for ill-posed inverse problems developed in a recent work by the authors [`Compressed sensing for inverse problems and the sample complexity of the sparse Radon transform', J. Eur. Math. Soc.,…

Functional Analysis · Mathematics 2025-01-06 Giovanni S. Alberti , Alessandro Felisi , Matteo Santacesaria , S. Ivan Trapasso

Doppler Broadening (DB) of annihilation radiation is a well-established technique within Positron Annihilation Spectroscopy (PAS), used for probing the electronic structure of materials. The analysis of DB experimental data relies on gamma…

Materials Science · Physics 2025-09-16 Achiya Yosef Amrusi , Sharon May-Tal Beck , Hadar Steinberg , Guy Ron

A property of sparse representations in relation to their capacity for information storage is discussed. It is shown that this feature can be used for an application that we term Encrypted Image Folding. The proposed procedure is realizable…

Computer Vision and Pattern Recognition · Computer Science 2012-09-13 James Bowley , Laura Rebollo-Neira

Photoacoustic (PA) computed tomography (PACT) shows great potentials in various preclinical and clinical applications. A great number of measurements are the premise that obtains a high-quality image, which implies a low imaging rate or a…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Hengrong Lan , Juze Zhang , Changchun Yang , Fei Gao

Spectrum sensing is an important process in cognitive radio. A number of sensing techniques that have been proposed suffer from high processing time, hardware cost and computational complexity. To address these problems, compressive sensing…

Signal Processing · Electrical Eng. & Systems 2018-01-31 Youness Arjoune , Naima Kaabouch , Hassan El Ghazi , Ahmed Tamtaoui

Pansharpening is a crucial task in remote sensing, enabling the generation of high-resolution multispectral images by fusing low-resolution multispectral data with high-resolution panchromatic images. This paper provides a comprehensive…

Image and Video Processing · Electrical Eng. & Systems 2024-12-09 Mahek Kantharia , Neeraj Badal , Zankhana Shah
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