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In this article we discuss our implementation of a polyphase filter for real-time data processing in radio astronomy. We describe in detail our implementation of the polyphase filter algorithm and its behaviour on three generations of…

Instrumentation and Methods for Astrophysics · Physics 2016-04-22 Karel Adámek , Jan Novotný , Wes Armour

Coarse-Grained Reconfigurable Arrays (CGRAs) enable ease of programmability and result in low development costs. They enable the ease of use specifically in reconfigurable computing applications. The smaller cost of compilation and reduced…

Hardware Architecture · Computer Science 2017-05-05 Amit Kulkarni , Dirk Stroobandt , Andre Werner , Florian Fricke , Michael Huebner

The (py)LIon package is a set of tools to simulate the classical trajectories of ensembles of ions in electrodynamic traps. Molecular dynamics simulations are performed using LAMMPS, an efficient and feature-rich program. (py)LIon has been…

Computational Physics · Physics 2023-07-20 E. Bentine , C. J. Foot , D. Trypogeorgos

Recently proposed pyramidal models decompose the conventional forward and backward diffusion processes into multiple stages operating at varying resolutions. These models handle inputs with higher noise levels at lower resolutions, while…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Denis Korzhenkov , Adil Karjauv , Animesh Karnewar , Mohsen Ghafoorian , Amirhossein Habibian

Ptychography has become an indispensable tool for high-resolution, non-destructive imaging using coherent light sources. The processing of ptychographic data critically depends on robust, efficient, and flexible computational reconstruction…

Today's highly heterogeneous computing landscape places a burden on programmers wanting to achieve high performance on a reasonably broad cross-section of machines. To do so, computations need to be expressed in many different but…

Programming Languages · Computer Science 2014-06-02 Andreas Klöckner

Image fusion is a fundamental and important task in computer vision, aiming to combine complementary information from different modalities to fuse images. In recent years, diffusion models have made significant developments in the field of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Zirui Wang , Jiayi Zhang , Tianwei Guan , Yuhan Zhou , Xingyuan Li , Minjing Dong , Jinyuan Liu

We present GALARIO, a computational library that exploits the power of modern graphical processing units (GPUs) to accelerate the analysis of observations from radio interferometers like ALMA or the VLA. GALARIO speeds up the computation of…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 Marco Tazzari , Frederik Beaujean , Leonardo Testi

GAMMA_FLOW is an open-source Python package for real-time analysis of spectral data. It supports classification, denoising, decomposition, and outlier detection of both single- and multi-component spectra. Instead of relying on large,…

Machine Learning · Computer Science 2025-11-13 Viola Rädle , Tilman Hartwig , Benjamin Oesen , Emily Alice Kröger , Julius Vogt , Eike Gericke , Martin Baron

Bayesian Networks (BNs) are used in various fields for modeling, prediction, and decision making. pgmpy is a python package that provides a collection of algorithms and tools to work with BNs and related models. It implements algorithms for…

Machine Learning · Computer Science 2023-04-19 Ankur Ankan , Johannes Textor

Text-to-image synthesis for the Chinese language poses unique challenges due to its large vocabulary size, and intricate character relationships. While existing diffusion models have shown promise in generating images from textual…

Computation and Language · Computer Science 2023-09-12 Chengyu Wang , Zhongjie Duan , Bingyan Liu , Xinyi Zou , Cen Chen , Kui Jia , Jun Huang

Recent developments in path integral methodology have significantly reduced the computational expense of including quantum mechanical effects in the nuclear motion in ab initio molecular dynamics simulations. However, the implementation of…

Computational Physics · Physics 2014-02-06 Michele Ceriotti , Joshua More , David E. Manolopoulos

We introduce Geomstats, an open-source Python toolbox for computations and statistics on nonlinear manifolds, such as hyperbolic spaces, spaces of symmetric positive definite matrices, Lie groups of transformations, and many more. We…

The Random Phase Approximation (RPA) for correlation energy in the grid-based projector augmented wave (gpaw) code is accelerated by porting to the Graphics Processing Unit (GPU) architecture. The acceleration is achieved by grouping…

Computational Physics · Physics 2013-07-31 Jun Yan , Lin Li , Christopher O'Grady

COFFEE (ConFormal Field Equation Evolver) is a Python package primarily developed to numerically evolve systems of partial differential equations over time using the method of lines. It includes a variety of time integrators and finite…

Mathematical Software · Computer Science 2023-03-27 Georgios Doulis , Jörg Frauendiener , Chris Stevens , Ben Whale

We present a MATLAB-based framework for two- and three-dimensional fast Fourier transforms on multiple GPUs for large-scale numerical simulations using the pseudo-spectral Fourier method. The software implements two complementary multi-GPU…

Mathematical Software · Computer Science 2026-03-31 Maik Punke , Marco Salvalaglio

State-of-the-art methods for computer vision rely heavily on the translation equivariance and spatial sharing properties of convolutional layers without explicitly taking into consideration the input content. Modern techniques employ deep…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Filippos Kokkinos , Ioannis Marras , Matteo Maggioni , Gregory Slabaugh , Stefanos Zafeiriou

In interferometry, the quality of the reconstructed image depends on the algorithm used and its parameters, and users often need to compare the results of several algorithms to disentangle artifacts from actual features of the astrophysical…

Instrumentation and Methods for Astrophysics · Physics 2022-09-19 Ferréol Soulez , Laurent Bourgès , Antoine Kaszczyc , Guillaume Mella , Martin Pratoussy , Gilles Duvert , Jacques Kluska , Eric Thiébaut , John Young

We present HONEI, an open-source collection of libraries offering a hardware oriented approach to numerical calculations. HONEI abstracts the hardware, and applications written on top of HONEI can be executed on a wide range of computer…

Mathematical Software · Computer Science 2010-06-28 Danny van Dyk , Markus Geveler , Sven Mallach , Dirk Ribbrock , Dominik Goeddeke , Carsten Gutwenger

Research into the processes of photoionised nebulae plays a significant part in our understanding of stellar evolution. It is extremely difficult to visually represent or model ionised nebula, requiring astronomers to employ sophisticated…

Instrumentation and Methods for Astrophysics · Physics 2020-05-26 K. Fitzgerald , E. J Harvey , N. Keaveney , M. Redman