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Gravitational wave astronomy is a vibrant field that leverages both classic and modern data processing techniques for the understanding of the universe. Various approaches have been proposed for improving the efficiency of the detection…

Instrumentation and Methods for Astrophysics · Physics 2022-10-05 Jingkai Yan , Robert Colgan , John Wright , Zsuzsa Márka , Imre Bartos , Szabolcs Márka

The LHCb experiment at the Large Hadron Collider (LHC) is performing high precision measurements in the flavour sector. An excellent performance of the particle identification (PID) detectors as well as the development of new data taking…

High Energy Physics - Experiment · Physics 2019-08-13 Fabio Ferrari

Pixel detectors currently in use by high energy physics experiments such as ATLAS, CMS, LHCb, etc., are critical systems for tagging $B$ hadrons within particle jets. However, the performance of standard tagging algorithms begins to fall in…

High Energy Physics - Experiment · Physics 2017-06-16 B. Todd Huffman , Thomas Russell , Jeff Tseng

We propose a novel strategy for disentangling proton collisions at hadron colliders such as the LHC that considerably improves over the current state of the art. Employing a metric inspired by optimal transport problems as the cost function…

High Energy Physics - Phenomenology · Physics 2023-11-07 Loukas Gouskos , Fabio Iemmi , Sascha Liechti , Benedikt Maier , Vinicius Mikuni , Huilin Qu

The lepton identification is essential for the physics programs at high-energy frontier, especially for the precise measurement of the Higgs boson. For this purpose, a Toolkit for Multivariate Data Analysis (TMVA) based lepton…

Instrumentation and Detectors · Physics 2017-10-11 Dan Yu , Manqi Ruan , Vincent Boudry , Henri Videau

The kaon identification is crucial for the flavor physics, and also benefits the flavor and charge reconstruction of the jets. We explore the particle identification capability for tracks with momenta ranging from 2-20 GeV/c using the…

Instrumentation and Detectors · Physics 2018-07-04 F. An , S. Prell , C. Chen , J. Cochran , X. Lou , M. Ruan

Recently, deep Convolutional Neural Networks (CNNs) can achieve human-level performance in edge detection with the rich and abstract edge representation capacities. However, the high performance of CNN based edge detection is achieved with…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Zhuo Su , Wenzhe Liu , Zitong Yu , Dewen Hu , Qing Liao , Qi Tian , Matti Pietikäinen , Li Liu

Learning algorithms for Deep Neural Networks are typically based on supervised end-to-end Stochastic Gradient Descent (SGD) training with error backpropagation (backprop). Backprop algorithms require a large number of labelled training…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Gabriele Lagani , Claudio Gennaro , Hannes Fassold , Giuseppe Amato

Radio Frequency IDentification (RFID) systems are becoming more and more popular in the field of ubiquitous computing, in particular for objects identification. An RFID system is composed by one or more readers and a number of tags. One of…

Networking and Internet Architecture · Computer Science 2022-07-04 Maurizio A. Bonuccelli , Francesca Lonetti , Francesca Martelli

Recent years have seen more and more demand for a unified framework to address multiple realistic image retrieval tasks concerning both category and attributes. Considering the scale of modern datasets, hashing is favorable for its low…

Computer Vision and Pattern Recognition · Computer Science 2016-07-20 Haomiao Liu , Ruiping Wang , Shiguang Shan , Xilin Chen

In experimental nuclear and particle physics, the extraction of high-purity samples of rare events critically depends on the efficiency and accuracy of particle identification (PID). In this work, we present a PID method applied to HADES…

Data Analysis, Statistics and Probability · Physics 2025-11-18 Marvin Kohls

Particle identification in gaseous detectors traditionally relies on energy loss measurements (dE/dx); however, uncertainties in total energy deposition limit its resolution. The cluster counting technique (dN/dx) offers an alternative…

Filter data structures over-approximate a set of hashable keys, i.e. set membership queries may incorrectly come out positive. A filter with false positive rate $f \in (0,1]$ is known to require $\ge \log_2(1/f)$ bits per key. At least for…

Data Structures and Algorithms · Computer Science 2021-03-09 Peter C. Dillinger , Stefan Walzer

In this paper, we present a new approach for robust reading of identification and sensor data from chipless RFID sensor tags. For the first time, Machine Learning (ML) and Deep Learning (DL) regression modelling techniques are applied to a…

Signal Processing · Electrical Eng. & Systems 2023-08-29 Nadeem Rather , Roy B. V. B. Simorangkir , John L. Buckley , Brendan O'Flynn , Salvatore Tedesco

We are studying the use of deep neural networks (DNNs) to identify and locate primary vertices (PVs) in proton-proton collisions at the LHC. Earlier work focused on finding primary vertices in simulated LHCb data using a hybrid approach…

Measurement of the ultra-rare $K^+\to\pi^+\nu\bar\nu$ decay at the NA62 experiment at CERN requires high-performance particle identification to distinguish muons from pions. Calorimetric identification currently in use, based on a boosted…

High Energy Physics - Experiment · Physics 2023-04-26 NA62 Collaboration

We present a number of rapid-purification feedback protocols for optical homodyne detection of a single optical qubit. We derive first a protocol that speeds up the rate of increase of the average purity of the system, and find that like…

Quantum Physics · Physics 2009-11-13 Aravind Chiruvelli , Kurt Jacobs

The LHCb RICH system provides hadron identification over a wide momentum range (2-100 GeV/c). This detector system is key to LHCb's precision flavour physics programme, which has unique sensitivity to physics beyond the standard model. This…

Instrumentation and Detectors · Physics 2017-03-30 A. Papanestis , C. D'Ambrosio

Biometric applications, such as person re-identification (ReID), are often deployed on energy constrained devices. While recent ReID methods prioritize high retrieval performance, they often come with large computational costs and high…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Kshitij Nikhal , Yujunrong Ma , Shuvra S. Bhattacharyya , Benjamin S. Riggan

HPC systems use monitoring and operational data analytics to ensure efficiency, performance, and orderly operations. Application-specific insights are crucial for analyzing the increasing complexity and diversity of HPC workloads,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-27 Thomas Jakobsche , Fredrik Robertsén , Jessica R. Jones , Utz-Uwe Haus , Florina M. Ciorba