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Mixing (or prior) density estimation is an important problem in machine learning and statistics, especially in empirical Bayes $g$-modeling where accurately estimating the prior is necessary for making good posterior inferences. In this…

Machine Learning · Statistics 2024-06-11 Shijie Wang , Saptarshi Chakraborty , Qian Qin , Ray Bai

Studies of cosmology, galaxy evolution, and astronomical transients with current and next-generation wide-field imaging surveys like the Rubin Observatory Legacy Survey of Space and Time (LSST) are all critically dependent on estimates of…

Instrumentation and Methods for Astrophysics · Physics 2022-08-24 Biprateep Dey , Brett H. Andrews , Jeffrey A. Newman , Yao-Yuan Mao , Markus Michael Rau , Rongpu Zhou

Extracting real-time insights from multi-modal data streams from various domains such as healthcare, intelligent transportation, and satellite remote sensing remains a challenge. High computational demands and limited knowledge scope…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Murugan Sankaradas , Ravi K. Rajendran , Srimat T. Chakradhar

Spiking Neural Networks (SNNs), with their temporal processing capabilities and biologically plausible dynamics, offer a natural platform for unsupervised representation learning. However, current unsupervised SNNs predominantly employ…

Neural and Evolutionary Computing · Computer Science 2026-03-31 Yiting Dong , Jianhao Ding , Zijie Xu , Tong Bu , Zhaofei Yu , Tiejun Huang

Large language models (LLMs) power many modern applications, but serving them at scale remains costly and resource-intensive. Current server-centric systems overlook consumer-grade GPUs at the edge. We introduce SpecEdge, an edge-assisted…

Computation and Language · Computer Science 2025-11-19 Jinwoo Park , Seunggeun Cho , Dongsu Han

Understanding the dynamic nature of protein structures is essential for comprehending their biological functions. While significant progress has been made in predicting static folded structures, modeling protein motions on microsecond to…

Self-supervised pretraining from static structures of drug-like compounds and proteins enable powerful learned feature representations. Learned features demonstrate state of the art performance on a range of predictive tasks including…

Biomolecules · Quantitative Biology 2025-09-12 Derek Jones , Yue Yang , Felice C. Lightstone , Niema Moshiri , Jonathan E. Allen , Tajana S. Rosing

We introduce a novel machine learning framework for estimating the Bayesian posteriors of morphological parameters for arbitrarily large numbers of galaxies. The Galaxy Morphology Posterior Estimation Network (GaMPEN) estimates values and…

We present the COGnitive Neural GENerative system (CogNGen), a cognitive architecture that combines two neurobiologically-plausible, computational models: predictive processing and hyperdimensional/vector-symbolic models. We draw…

Artificial Intelligence · Computer Science 2022-08-10 Alexander Ororbia , M. Alex Kelly

Network simulation is pivotal in network modeling, assisting with tasks ranging from capacity planning to performance estimation. Traditional approaches such as Discrete Event Simulation (DES) face limitations in terms of computational cost…

Networking and Internet Architecture · Computer Science 2026-03-13 Carlos Güemes-Palau , Miquel Ferriol-Galmés , Jordi Paillisse-Vilanova , Albert López-Brescó , Pere Barlet-Ros , Albert Cabellos-Aparicio

Traditional spectral energy distribution (SED)-fitting methods for stellar mass estimation face persistent challenges including systematic biases and computational constraints. We present a controlled comparison of machine learning (ML) and…

Astrophysics of Galaxies · Physics 2026-02-03 Vahid Asadi , Akram Hasani Zonoozi , Hosein Haghi

By contextualizing the kernel as global as possible, Modern ConvNets have shown great potential in computer vision tasks. However, recent progress on multi-order game-theoretic interaction within deep neural networks (DNNs) reveals the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Siyuan Li , Zedong Wang , Zicheng Liu , Cheng Tan , Haitao Lin , Di Wu , Zhiyuan Chen , Jiangbin Zheng , Stan Z. Li

Establishing accurate morphological measurements of galaxies in a reasonable amount of time for future big-data surveys such as EUCLID, the Large Synoptic Survey Telescope or the Wide Field Infrared Survey Telescope is a challenge. Because…

Instrumentation and Methods for Astrophysics · Physics 2017-06-14 D. Tuccillo , M. Huertas-Company , E. Decenciere , S. Velasco-Forero

Accurate modeling of the inflationary gravitational waves (GWs) requires time-consuming, iterative numerical integrations of differential equations to take into account their backreaction on the expansion history. To improve computational…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-08 Fan Zhang , Yifang Luo , Bohua Li , Ruihan Cao , Wenjin Peng , Joel Meyers , Paul R. Shapiro

Semantic segmentation of remote sensing imagery is fundamental to Earth observation. Achieving accurate results requires integrating not only optical images but also physical variables such as the Digital Elevation Model (DEM), Synthetic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yuxi Lu , Kunqi Li , Zhidong Li , Xiaohan Su , Biao Wu , Chenya Huang , Bin Liang

In this study, we develop an artificial neural network to estimate the infrared (IR) luminosity and star formation rates (SFR) of galaxies. Our network is trained using 'true' IR luminosity values derived from modeling the IR spectral…

Astrophysics of Galaxies · Physics 2024-12-24 Ashraf Ayubinia , Jong-hak Woo , Fatemeh Hafezianzadeh , Taehwan Kim , Changseok Kim

Reliable estimation of stellar surface gravity (log $g$) for a large sample is crucial for evaluating stellar evolution models and understanding galactic structure; However, it is not easy to accomplish due to the difficulty in gathering a…

Spectroscopic surveys require fast and efficient analysis methods to maximize their scientific impact. Here we apply a deep neural network architecture to analyze both SDSS-III APOGEE DR13 and synthetic stellar spectra. When our…

Instrumentation and Methods for Astrophysics · Physics 2018-02-21 Sebastien Fabbro , Kim Venn , Teaghan O'Briain , Spencer Bialek , Collin Kielty , Farbod Jahandar , Stephanie Monty

In this work, we propose the novel Prototypical Graph Regression Self-explainable Trees (ProGReST) model, which combines prototype learning, soft decision trees, and Graph Neural Networks. In contrast to other works, our model can be used…

Quantitative Methods · Quantitative Biology 2022-12-29 Dawid Rymarczyk , Daniel Dobrowolski , Tomasz Danel

Molecular Dynamics (MD) simulation is a powerful tool for understanding the dynamics and structure of matter. Since the resolution of MD is atomic-scale, achieving long time-scale simulations with femtosecond integration is very expensive.…

Machine Learning · Computer Science 2022-04-27 Zijie Li , Kazem Meidani , Prakarsh Yadav , Amir Barati Farimani
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