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This paper presents the application of a variety of techniques to study jet substructure. The performance of various modified jet algorithms, or jet grooming techniques, for several jet types and event topologies is investigated for jets…

High Energy Physics - Experiment · Physics 2013-10-28 ATLAS Collaboration

Machine learning techniques are used for treating jets as images to explore the performance of boosted top quark tagging. Tagging performances are studied in both hadronic and leptonic channels of top quark decay, employing a convolutional…

High Energy Physics - Phenomenology · Physics 2022-02-22 Soham Bhattacharya , Monoranjan Guchait , Aravind H. Vijay

Recent studies have used deep residual convolutional neural networks (CNNs) for JPEG compression artifact reduction. This study proposes a scalable CNN called S-Net. Our approach effectively adjusts the network scale dynamically in a…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Bolun Zheng , Rui Sun , Xiang Tian , Yaowu Chen

In this work, we present the Deep Newton Reconstruction Network (DNR-Net), a hybrid data-driven reconstruction technique for emission tomography inspired by Newton's method, a well-known iterative optimization algorithm. The DNR-Net employs…

Image and Video Processing · Electrical Eng. & Systems 2021-10-25 Loizos Koutsantonis , Tiago Carneiro , Emmanuel Kieffer , Frederic Pinel , Pascal Bouvry

A sophisticated trigger system, capable of real-time track reconstruction, is used in the ATLAS experiment to select interesting events in the proton-proton collisions at the Large Hadron Collider at CERN. A set of $b$-jet triggers was…

High Energy Physics - Experiment · Physics 2015-06-03 Andrea Coccaro

In neutrino experiments, neutrino energy reconstruction is crucial because neutrino oscillations and differential cross-sections are functions of neutrino energy. It is also challenging due to the complexity in the detector response and…

Instrumentation and Detectors · Physics 2019-01-30 Pierre Baldi , Jianming Bian , Lars Hertel , Lingge Li

Wide-field astronomical surveys are often affected by the presence of undesirable reflections (often known as "ghosting artifacts" or "ghosts") and scattered-light artifacts. The identification and mitigation of these artifacts is important…

This paper proposes a Region-based Convolutional Recurrent Neural Network (R-CRNN) for audio event detection (AED). The proposed network is inspired by Faster-RCNN, a well known region-based convolutional network framework for visual object…

Sound · Computer Science 2018-08-22 Chieh-Chi Kao , Weiran Wang , Ming Sun , Chao Wang

Deep Learning approaches are becoming the go-to methods for data analysis in High Energy Physics (HEP). Nonetheless, most physics-inspired modern architectures are computationally inefficient and lack interpretability. This is especially…

Computational Physics · Physics 2023-01-31 Jose M Munoz , Ilyes Batatia , Christoph Ortner

Resampling detection plays an important role in identifying image tampering, such as image splicing. Currently, the resampling detection is still difficult in recompressed images, which are yielded by applying resampling followed by…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Gang Cao , Antao Zhou , Xianglin Huang , Gege Song , Lifang Yang , Yonggui Zhu

In the effort to obtain a precise measurement of leptonic CP-violation with the ESS$\nu$SB experiment, accurate and fast reconstruction of detector events plays a pivotal role. In this work, we examine the possibility of replacing the…

We deploy an advanced Machine Learning (ML) environment, leveraging a multi-scale cross-attention encoder for event classification, towards the identification of the $gg\to H\to hh\to b\bar b b\bar b$ process at the High Luminosity Large…

High Energy Physics - Phenomenology · Physics 2024-02-16 A. Hammad , S. Moretti , M. Nojiri

Convolution Neural Networks (CNN) have been extremely successful in solving intensive computer vision tasks. The convolutional filters used in CNNs have played a major role in this success, by extracting useful features from the inputs.…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Pravendra Singh , Pratik Mazumder , Vinay P. Namboodiri

In this paper we present two examples of recent investigations that we have undertaken, applying Machine Learning (ML) neural networks (NN) to image datasets from outer planet missions to achieve feature recognition. Our first investigation…

Motivated by the development of deep convolution neural networks (DCNNs), tremendous progress has been gained in the field of aircraft detection. These DCNNs based detectors mainly belong to top-down approaches, which first enumerate…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Haoran Wei , Yue Zhang , Bing Wang , Yang Yang , Hao Li , Hongqi Wang

It is widely considered that, for Higgs boson searches at the Large Hadron Collider, WH and ZH production where the Higgs boson decays to b anti-b are poor search channels due to large backgrounds. We show that at high transverse momenta,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jonathan M. Butterworth , Adam R. Davison , Mathieu Rubin , Gavin P. Salam

We review recent developments related to jet clustering algorithms and jet reconstruction, with particular emphasis on their implications in heavy ion collisions. These developments include fast implementations of sequential recombination…

High Energy Physics - Phenomenology · Physics 2009-10-09 Juan Rojo

Future electron-positron colliders will play a leading role in the precision measurement of Higgs boson couplings which is one of the central interests in particle physics. Aiming at maximizing the performance to measure the Higgs couplings…

High Energy Physics - Phenomenology · Physics 2022-07-20 So Chigusa , Shu Li , Yuichiro Nakai , Wenxing Zhang , Yufei Zhang , Jiaming Zheng

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

This paper shows that it is possible to train large and deep convolutional neural networks (CNN) for JPEG compression artifacts reduction, and that such networks can provide significantly better reconstruction quality compared to previously…

Computer Vision and Pattern Recognition · Computer Science 2016-05-03 Pavel Svoboda , Michal Hradis , David Barina , Pavel Zemcik