Comparison of Point Cloud and Image-based Models for Calorimeter Fast Simulation

• URL: http://arxiv.org/abs/2307.04780v2
• Date: Mon, 31 Jul 2023 17:52:48 GMT
• Title: Comparison of Point Cloud and Image-based Models for Calorimeter Fast Simulation
• Authors: Fernando Torales Acosta, Vinicius Mikuni, Benjamin Nachman, Miguel Arratia, Bishnu Karki, Ryan Milton, Piyush Karande, and Aaron Angerami
• Abstract summary: Two state-of-the-art score based models are trained on the same set of calorimeter simulation and directly compared. generative models are a new class of generative models that have been shown to accurately generate high dimensional calorimeter datasets.
• Score: 48.26243807950606
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: 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 model complex calorimeter showers. Point clouds, however, are likely a more natural representation of calorimeter showers, particularly in calorimeters with high granularity. Point clouds preserve all of the information of the original simulation, more naturally deal with sparse datasets, and can be implemented with more compact models and data files. In this work, two state-of-the-art score based models are trained on the same set of calorimeter simulation and directly compared.

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