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Deep neural network (DNN) models are wellknown to easily misclassify prediction results by using input images with small perturbations, called adversarial examples. In this paper, we propose a novel adversarial detector, which consists of a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Takayuki Osakabe , Maungmaung Aprilpyone , Sayaka Shiota , Hitoshi Kiya

The existence of adversarial attacks on convolutional neural networks (CNN) questions the fitness of such models for serious applications. The attacks manipulate an input image such that misclassification is evoked while still looking…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Mohammadreza Amirian , Friedhelm Schwenker , Thilo Stadelmann

In modern collider experiments, the quest to explore fundamental interactions between elementary particles has reached unparalleled levels of precision. Signatures from particle physics detectors are low-level objects (such as energy…

Instrumentation and Detectors · Physics 2024-07-16 Baran Hashemi , Claudius Krause

The Hyper-Kamiokande Water-Cherenkov Neutrino Detectors are simulated using Monte-Carlo and analytical methods. A few simple events are also simulated and these preliminary results are presented.

Instrumentation and Detectors · Physics 2018-09-28 Srikanta Sinha

The deep learning framework is witnessing expansive growth into diverse applications such as biological systems, human cognition, robotics, and the social sciences, thanks to its immense ability to extract essential features from…

Disordered Systems and Neural Networks · Physics 2017-10-16 Zhaocheng Liu , Sean P. Rodrigues , Wenshan Cai

Machine learning, through the use of convolutional and recurrent neural networks is a promising avenue for the improvement of background rejection performance in imaging atmospheric Cherenkov telescopes. However, it is of paramount…

Instrumentation and Methods for Astrophysics · Physics 2022-03-11 R. D. Parsons , A. M. W. Mitchell , S. Ohm

We introduce a novel method for studying systematic trends in nuclear reaction data using generative adversarial networks. Libraries of nuclear cross section evaluations exhibit intricate systematic trends across the nuclear landscape, and…

Nuclear Theory · Physics 2024-05-01 Jordan M. R. Fox , Kyle A. Wendt

The deep neural network is vulnerable to adversarial examples. Adding imperceptible adversarial perturbations to images is enough to make them fail. Most existing research focuses on attacking image classifiers or anchor-based object…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Quanyu Liao , Xin Wang , Bin Kong , Siwei Lyu , Youbing Yin , Qi Song , Xi Wu

In this work, we present a new, high performance algorithm for background rejection in imaging atmospheric Cherenkov telescopes. We build on the already popular machine-learning techniques used in gamma-ray astronomy by the application of…

Instrumentation and Methods for Astrophysics · Physics 2020-05-20 R. D. Parsons , S. Ohm

We propose a method to use artificial neural networks to approximate light scattering by multilayer nanoparticles. We find the network needs to be trained on only a small sampling of the data in order to approximate the simulation to high…

We propose a new, simple framework for crafting adversarial examples for black box attacks. The idea is to simulate the substitution model with a non-trainable model compounded of just one layer of handcrafted convolutional kernels and then…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Petr Dvořáček , Petr Hurtik , Petra Števuliáková

A dramatic progress in the field of computer vision has been made in recent years by applying deep learning techniques. State-of-the-art performance in image recognition is thereby reached with Convolutional Neural Networks (CNNs). CNNs are…

Instrumentation and Methods for Astrophysics · Physics 2019-03-07 Tim Lukas Holch , Idan Shilon , Matthias Büchele , Tobias Fischer , Stefan Funk , Nils Groeger , David Jankowsky , Thomas Lohse , Ullrich Schwanke , Philipp Wagner

Image completion has achieved significant progress due to advances in generative adversarial networks (GANs). Albeit natural-looking, the synthesized contents still lack details, especially for scenes with complex structures or images with…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Pengpeng Liu , Xiaojuan Qi , Pinjia He , Yikang Li , Michael R. Lyu , Irwin King

The Cherenkov Telescope Array (CTA) will be the next generation gamma-ray observatory and will be the major global instrument for very-high-energy astronomy over the next decade, offering 5 - 10 x better flux sensitivity than current…

Instrumentation and Methods for Astrophysics · Physics 2021-08-03 J. Aschersleben , R. F. Peletier , M. Vecchi , M. H. F. Wilkinson

Deep Neural Networks (DNNs) have been shown to be vulnerable to adversarial examples. While numerous successful adversarial attacks have been proposed, defenses against these attacks remain relatively understudied. Existing defense…

Machine Learning · Computer Science 2025-06-17 Furkan Mumcu , Yasin Yilmaz

For the analysis of data taken by Imaging Air Cherenkov Telescopes (IACTs), a large number of air shower simulations are needed to derive the instrument response. The simulations are very complex, involving computational and…

Instrumentation and Methods for Astrophysics · Physics 2024-04-12 Christian Elflein , Stefan Funk , Jonas Glombitza

This paper presents the custom implementation, optimization, and performance evaluation of convolutional neural networks on field programmable gate arrays, for the purposes of accelerating deep neural network inference on large,…

Instrumentation and Detectors · Physics 2022-01-14 Yeon-Jae Jwa , Giuseppe Di Guglielmo , Luca P. Carloni , Georgia Karagiorgi

We present a study of the emission of Cherenkov radiation in thick media, explore the limitations of the simulation tools currently in use in particle and nuclear physics, and propose a method for overcoming these limitations. We start with…

Instrumentation and Detectors · Physics 2025-09-23 Dmytro Minchenko , Juan Pablo Yañez , Aksel Hallin

We introduce HAWCgen, a set of deep generative neural network models, which are designed to supplement, or in some cases replace, parts of the simulation pipeline for the High Altitude Water Cherenkov (HAWC) observatory. We show that simple…

Instrumentation and Methods for Astrophysics · Physics 2018-10-24 Gefen Kohavi , Daniel Ho , Michael Gussert

While discrete-event simulators are essential tools for architecture research, design, and development, their practicality is limited by an extremely long time-to-solution for realistic applications under investigation. This work describes…

Hardware Architecture · Computer Science 2022-04-07 Lingda Li , Santosh Pandey , Thomas Flynn , Hang Liu , Noel Wheeler , Adolfy Hoisie