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Building a site-specific propagation model typically requires either ray-tracing over detailed 3D maps or dense measurement campaigns. Both approaches are expensive and often infeasible for rapid deployments where geographic data is…

Signal Processing · Electrical Eng. & Systems 2026-05-11 William Bjorndahl , Maninder Pal Singh , Farhad Nouri , Joseph Camp

In the context of a deep geological repository of high-level radioactive wastes, the French National Radioactive Waste Management Agency (Andra) has conducted an extensive characterization of the Callovo-Oxfordian argillaceous rock and…

Geophysics · Physics 2014-07-23 Jean-Luc Mari , Béatrice Yven

Phosphorus removal is vital in wastewater treatment to reduce reliance on limited resources. Deep reinforcement learning (DRL) is a machine learning technique that can optimize complex and nonlinear systems, including the processes in…

Systems and Control · Electrical Eng. & Systems 2024-03-25 Esmaeel Mohammadi , Mikkel Stokholm-Bjerregaard , Aviaja Anna Hansen , Per Halkjær Nielsen , Daniel Ortiz-Arroyo , Petar Durdevic

In recent years, deep learning methods, exemplified by Physics-Informed Neural Networks (PINNs), have been widely applied to the numerical solution of differential equations. However, these methods may suffer from limited accuracy, high…

Numerical Analysis · Mathematics 2026-03-17 Tao Tang , Jiang Yang , Yuxiang Zhao , Quanhui Zhu

This article illustrates the development of a software named GoldEnvSim for simulation of the dispersion of radionuclides in the atmosphere. The software is written in JavaFX programming language to couple the Weather Research and…

Physics and Society · Physics 2020-12-18 Nguyen Hong Ha , Phan Viet Cuong , Le Tuan Anh , Ho Thi Thao , Hoang Huu Duc , Kieu Ngoc Dung

Chemical space exploration underlies drug discovery, yet most generative models treat chemical space as a fixed, implicitly learned distribution, focusing on sampling molecules rather than deliberately designing the space itself. We…

Most existing infrared-visible image fusion (IVIF) methods assume high-quality inputs, and therefore struggle to handle dual-source degraded scenarios, typically requiring manual selection and sequential application of multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Tianpei Zhang , Jufeng Zhao , Yiming Zhu , Guangmang Cui

Given inputs of diverse soil characteristics and climate data gathered from various regions, we aimed to build a model to predict accurate land emissions. The problem is important since accurate quantification of the carbon cycle in…

Machine Learning · Computer Science 2025-04-24 Arun Sharma , Majid Farhadloo , Mingzhou Yang , Ruolei Zeng , Subhankar Ghosh , Shashi Shekhar

The decomposition of oceanic flow into its balanced and unbalanced motions carries theoretical and practical significance for the oceanographic community. These two motions have distinct dynamical characteristics and affect the transport of…

Deep learning-based surrogate models have been widely applied in geological carbon storage (GCS) problems to accelerate the prediction of reservoir pressure and CO2 plume migration. Large amounts of data from physics-based numerical…

Machine Learning · Statistics 2024-01-11 Hewei Tang , Qingkai Kong , Joseph P. Morris

W-CDF-S, ELAIS-S1, and XMM-LSS will be three Deep-Drilling Fields (DDFs) of the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST), but their extensive multi-wavelength data have not been fully utilized as done in the COSMOS…

We analyse the effect of stochastic torque fluctuations on the orbital evolution and the gravitational wave (GW)emission of gas-embedded sources with intermediate and extreme mass ratios. We show that gas-driven fluctuations imprint…

High Energy Astrophysical Phenomena · Physics 2022-02-16 Lorenz Zwick , Andrea Derdzinski , Mudit Garg , Pedro R. Capelo , Lucio Mayer

For improved operating conditions of a polymer electrolyte membrane (PEM) fuel cell, a sophisticated water management is crucial. Therefore, it is necessary to understand the transport mechanisms of water throughout the cell constituents…

Parameter retrieval and model inversion are key problems in remote sensing and Earth observation. Currently, different approximations exist: a direct, yet costly, inversion of radiative transfer models (RTMs); the statistical inversion with…

Signal Processing · Electrical Eng. & Systems 2021-04-22 Daniel Heestermans Svendsen , Pablo Morales-Alvarez , Ana Belen Ruescas , Rafael Molina , Gustau Camps-Valls

This paper presents GeoFlood, a new open-source software package for solving the shallow-water equations (SWE) on a quadtree hierarchy of mapped, logically Cartesian grids managed by the parallel, adaptive library ForestClaw (Calhoun and…

Geophysics · Physics 2025-05-09 Brian Kyanjo , Donna Calhoun , David L. George

Understanding the intricate interplay between soot dynamics and chemical reactions within catalytic diesel particulate filters (CDPF) is crucial for enhancing both filtration efficiency and regeneration performance. In this paper, we…

Chemical Physics · Physics 2026-05-19 Yujing Zhang , Yunhua Zhang , Liang Fang , Diming Lou , Piqiang Tan , Zhiyuan Hu

Geological parameterization entails the representation of a geomodel using a small set of latent variables and a mapping from these variables to grid-block properties such as porosity and permeability. Parameterization is useful for data…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Guido Di Federico , Louis J. Durlofsky

In this work, we present an open access database for surface and vacancy-formation energies using classical force-fields (FFs). These quantities are essential in understanding diffusion behavior, nanoparticle formation and catalytic…

Hyperspectral imaging (HSI) has been widely used in agricultural applications for non-destructive estimation of plant nutrient composition and precise quantification of sample nutritional elements. Recently, 3D reconstruction methods, such…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Sunil Kumar Narayanan , Lingjun Zhao , Lu Gan , Yongsheng Chen

The growing amount of waste is a problem for the environment that requires efficient sorting techniques for various kinds of waste. An automated waste classification system is used for this purpose. The effectiveness of these Artificial…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Misbah Ijaz , Saif Ur Rehman Khan , Abd Ur Rehman , Tayyaba Asif , Sebastian Vollmer , Andreas Dengel , Muhammad Nabeel Asim