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Related papers: Novelty Detection Meets Collider Physics

200 papers

This paper discusses model-agnostic searches for new physics at the Large Hadron Collider (LHC) using anomaly-detection techniques for the identification of event signatures that deviate from the Standard Model (SM). We investigate anomaly…

High Energy Physics - Phenomenology · Physics 2022-09-26 S. V. Chekanov , W. Hopkins

In this paper, we propose a model-based characterization of neural networks to detect novel input types and conditions. Novelty detection is crucial to identify abnormal inputs that can significantly degrade the performance of machine…

Computer Vision and Pattern Recognition · Computer Science 2020-08-17 Gukyeong Kwon , Mohit Prabhushankar , Dogancan Temel , Ghassan AlRegib

Classical semantic segmentation methods, including the recent deep learning ones, assume that all classes observed at test time have been seen during training. In this paper, we tackle the more realistic scenario where unexpected objects of…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Krzysztof Lis , Krishna Nakka , Pascal Fua , Mathieu Salzmann

Novelty detection using deep generative models such as autoencoder, generative adversarial networks mostly takes image reconstruction error as novelty score function. However, image data, high dimensional as it is, contains a lot of…

Machine Learning · Computer Science 2021-01-08 Sungkwon An , Jeonghoon Kim , Myungjoo Kang , Shahbaz Razaei , Xin Liu

We propose a transfer learning-based solution for the problem of multiple class novelty detection. In particular, we propose an end-to-end deep-learning based approach in which we investigate how the knowledge contained in an external,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Pramuditha Perera , Vishal M. Patel

Machine learning techniques in particle physics are most powerful when they are trained directly on data, to avoid sensitivity to theoretical uncertainties or an underlying bias on the expected signal. To be able to train on data in…

High Energy Physics - Phenomenology · Physics 2019-10-21 Andrew Blance , Michael Spannowsky , Philip Waite

Reliable data quality monitoring is a key asset in delivering collision data suitable for physics analysis in any modern large-scale High Energy Physics experiment. This paper focuses on the use of artificial neural networks for supervised…

Data Analysis, Statistics and Probability · Physics 2018-08-03 Adrian Alan Pol , Gianluca Cerminara , Cecile Germain , Maurizio Pierini , Agrima Seth

Novelty detection is a critical task for deploying machine learning models in the open world. A crucial property of novelty detection methods is universality, which can be interpreted as generalization across various distributions of…

We consider novelty detection in time series with unknown and nonparametric probability structures. A deep learning approach is proposed to causally extract an innovations sequence consisting of novelty samples statistically independent of…

Machine Learning · Computer Science 2022-10-25 Xinyi Wang , Mei-jen Lee , Qing Zhao , Lang Tong

Deep neural networks are powerful tools to detect hidden patterns in data and leverage them to make predictions, but they are not designed to understand uncertainty and estimate reliable probabilities. In particular, they tend to be…

Machine Learning · Statistics 2022-11-10 Bat-Sheva Einbinder , Yaniv Romano , Matteo Sesia , Yanfei Zhou

In particle detectors at the Large Hadron Collider, tens of terabytes of data are produced every second from proton-proton collisions occurring at a rate of 40 megahertz. This data rate is reduced to a sustainable level by a real-time event…

Data Analysis, Statistics and Probability · Physics 2021-07-14 Ekaterina Govorkova , Ema Puljak , Thea Aarrestad , Maurizio Pierini , Kinga Anna Woźniak , Jennifer Ngadiuba

Deep neural networks have achieved outstanding performance over various tasks, but they have a critical issue: over-confident predictions even for completely unknown samples. Many studies have been proposed to successfully filter out these…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Jihyo Kim , Jiin Koo , Sangheum Hwang

While many works on Continual Learning have shown promising results for mitigating catastrophic forgetting, they have relied on supervised training. To successfully learn in a label-agnostic incremental setting, a model must distinguish…

Machine Learning · Computer Science 2021-12-09 Shivam Khare , Kun Cao , James Rehg

A central goal in experimental high energy physics is to detect new physics signals that are not explained by known physics. In this paper, we aim to search for new signals that appear as deviations from known Standard Model physics in…

Applications · Statistics 2022-12-14 Purvasha Chakravarti , Mikael Kuusela , Jing Lei , Larry Wasserman

The proliferation of Deep Neural Networks has resulted in machine learning systems becoming increasingly more present in various real-world applications. Consequently, there is a growing demand for highly reliable models in many domains,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Pedro Conde , Rui L. Lopes , Cristiano Premebida

Searches for new physics typically rely on proton-proton collisions, where isolated mass bumps are the primary signatures. However, when a new particle is nearly degenerate in mass with a known Standard Model resonance, it can be partially…

High Energy Physics - Phenomenology · Physics 2026-05-14 Yi Yang

Novelty detection in large scientific datasets faces two key challenges: the noisy and high-dimensional nature of experimental data, and the necessity of making statistically robust statements about any observed outliers. While there is a…

Particle colliders stand as an irreplaceable pillar of inquiry for exploring the fundamental building blocks of matter and forces of the Universe, yet fully decoding complex collision event information remains a significant challenge.…

High Energy Physics - Experiment · Physics 2026-05-07 Yongfeng Zhu , Yuexin Wang , Hao Liang , Yuzhi Che , Hengyu Wang , Chen Zhou , Huilin Qu , Manqi Ruan

This paper studies the problem of detecting novel or unexpected instances in text classification. In traditional text classification, the classes appeared in testing must have been seen in training. However, in many applications, this is…

Machine Learning · Computer Science 2020-09-24 Qi Qin , Wenpeng Hu , Bing Liu

Automated detection of new, interesting, unusual, or anomalous images within large data sets has great value for applications from surveillance (e.g., airport security) to science (observations that don't fit a given theory can lead to new…

Machine Learning · Computer Science 2018-06-22 Kiri L. Wagstaff , Jake Lee