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We present a first proof of concept to directly use neural network based pattern recognition to trigger on distinct calorimeter signatures from displaced particles, such as those that arise from the decays of exotic long-lived particles.…

High Energy Physics - Experiment · Physics 2021-01-28 Juliette Alimena , Yutaro Iiyama , Jan Kieseler

Modeling the time-dependent evolution of electron density is essential for understanding quantum mechanical behaviors of condensed matter and enabling predictive simulations in spectroscopy, photochemistry, and ultrafast science. Yet, while…

Computational Physics · Physics 2025-09-03 Yuan Chiang , Youngsoo Choi , Daniel Osei-Kuffuor

Fast simulation of the energy depositions in high-granular detectors is needed for future collider experiments with ever-increasing luminosities. Generative machine learning (ML) models have been shown to speed up and augment the…

Instrumentation and Detectors · Physics 2024-02-27 Erik Buhmann , Frank Gaede , Gregor Kasieczka , Anatolii Korol , William Korcari , Katja Krüger , Peter McKeown

Score based generative models are a new class of generative models that have been shown to accurately generate high dimensional calorimeter datasets. Recent advances in generative models have used images with 3D voxels to represent and…

3D multi object generative models allow us to synthesize a large range of novel 3D multi object scenes and also identify objects, shapes, layouts and their positions. But multi object scenes are difficult to create because of the dataset…

Computer Vision and Pattern Recognition · Computer Science 2019-03-11 Vedant Singh , Manan Oza , Himanshu Vaghela , Pratik Kanani

Using a large-scale, experimentally captured 3D microstructure dataset, we implement the generative adversarial network (GAN) framework to learn and generate 3D microstructures of solid oxide fuel cell electrodes. The generated…

Image and Video Processing · Electrical Eng. & Systems 2020-06-25 Tim Hsu , William K. Epting , Hokon Kim , Harry W. Abernathy , Gregory A. Hackett , Anthony D. Rollett , Paul A. Salvador , Elizabeth A. Holm

Generative adversarial networks (GANs) have been shown to produce realistic samples from high-dimensional distributions, but training them is considered hard. A possible explanation for training instabilities is the inherent imbalance…

Machine Learning · Statistics 2018-07-12 Mehdi S. M. Sajjadi , Giambattista Parascandolo , Arash Mehrjou , Bernhard Schölkopf

Building models capable of generating structured output is a key challenge for AI and robotics. While generative models have been explored on many types of data, little work has been done on synthesizing lidar scans, which play a key role…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Lucas Caccia , Herke van Hoof , Aaron Courville , Joelle Pineau

High-quality simulated data is crucial for particle physics discoveries. Therefore, parton shower algorithms are a major building block of the data synthesis in event generator programs. However, the core algorithms used to generate parton…

High Energy Physics - Phenomenology · Physics 2022-11-09 Gösta Gustafson , Stefan Prestel , Michael Spannowsky , Simon Williams

Generative Adversarial Networks (GANs) are a recent advancement in unsupervised machine learning. They are a cat-and-mouse game between two neural networks: [1] a discriminator network which learns to validate whether a sample is real or…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-23 Olivia Curtis , Tereasa G. Brainerd

Deep generative models have shown immense potential in generating unseen data that has properties of real data. These models learn complex data-generating distributions starting from a smaller set of latent dimensions. However, generative…

Solar and Stellar Astrophysics · Physics 2026-02-23 Subhamoy Chatterjee , Andres Munoz-Jaramillo , Anna Malanushenko

Air shower simulation programs are essential tools for the analysis of data from cosmic ray experiments and for planning the layout of new detectors. They are used to estimate the energy and mass of the primary particle. Unfortunately the…

Astrophysics · Physics 2009-11-07 J. Knapp , D. Heck , S. J. Sciutto , M. T. Dova , M. Risse

The software compensation algorithms developed for the CALICE Analog Hadron Calorimeter are extended to incorporate time information on the cell level, and the performance is studied in GEANT4 simulations with a detector model of a…

Instrumentation and Detectors · Physics 2022-08-30 Christian Graf , Frank Simon

Simulation models for perception sensors are integral components of automotive simulators used for the virtual Verification and Validation (V\&V) of Autonomous Driving Systems (ADS). These models also serve as powerful tools for generating…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Hamed Haghighi , Mehrdad Dianati , Valentina Donzella , Kurt Debattista

Deep generative models are increasingly becoming integral parts of the in silico molecule design pipeline and have dual goals of learning the chemical and structural features that render candidate molecules viable while also being flexible…

Biomolecules · Quantitative Biology 2021-06-08 Yair Schiff , Vijil Chenthamarakshan , Karthikeyan Natesan Ramamurthy , Payel Das

Data-driven methods are widely used to overcome shortcomings of Monte Carlo simulations (lack of statistics, mismodeling of processes, etc.) in experimental high energy physics. A precise description of background processes is crucial to…

High Energy Physics - Experiment · Physics 2023-03-29 Victor Lohezic , Mehmet Ozgur Sahin , Fabrice Couderc , Julie Malcles

This work presents a generative adversarial architecture for generating three-dimensional shapes based on signed distance representations. While the deep generation of shapes has been mostly tackled by voxel and surface point cloud…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Marian Kleineberg , Matthias Fey , Frank Weichert

Accurately forecasting extreme rainfall is notoriously difficult, but is also ever more crucial for society as climate change increases the frequency of such extremes. Global numerical weather prediction models often fail to capture…

Machine Learning · Statistics 2022-03-24 Ilan Price , Stephan Rasp

As a classical generative modeling approach, energy-based models have the natural advantage of flexibility in the form of the energy function. Recently, energy-based models have achieved great success in modeling high-dimensional data in…

Machine Learning · Computer Science 2024-01-19 Taoli Cheng , Aaron Courville

In the quest to build generative surrogate models as computationally efficient alternatives to rule-based simulations, the quality of the generated samples remains a crucial frontier. So far, normalizing flows have been among the models…

Instrumentation and Detectors · Physics 2024-09-05 Thorsten Buss , Frank Gaede , Gregor Kasieczka , Claudius Krause , David Shih