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Related papers: Line Segment Tracking in the HL-LHC

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In Run-3, beginning in 2022, the LHCb software trigger will start reconstructing events at the LHC average crossing rate of 30 MHz. Within the upgraded DAQ system, LHCb established a testbed for new heterogeneous computing solutions for…

Instrumentation and Detectors · Physics 2022-04-20 F. Lazzari , W. Baldini , G. Bassi , A. Contu , M. Dorigo , R. Fantechi , L. Giambastiani , M. J. Morello , G. Punzi , M. Sticchi , G. Tuci

Track reconstruction is a crucial task in particle experiments and is traditionally very computationally expensive due to its combinatorial nature. Recently, graph neural networks (GNNs) have emerged as a promising approach that can improve…

Data Analysis, Statistics and Probability · Physics 2024-07-22 Paolo Calafiura , Jay Chan , Loic Delabrouille , Brandon Wang

Accurate and fast simulation of particle physics processes is crucial for the high-energy physics community. Simulating particle interactions with detectors is both time consuming and computationally expensive. With the proton-proton…

High Energy Physics - Experiment · Physics 2021-08-26 Ali Hariri , Darya Dyachkova , Sergei Gleyzer

This article describes a custom VHDL firmware implementation of a two-dimensional cluster-finder architecture for reconstructing hit positions in the new vertex pixel detector (VELO) that is part of the LHCb Upgrade. This firmware has been…

Instrumentation and Detectors · Physics 2023-06-21 G. Bassi , L. Giambastiani , K. Hennessy , F. Lazzari , M. J. Morello , T. Pajero , A. Fernandez Prieto , G. Punzi

The reconstruction of particle tracks from hits in tracking detectors is a computationally intensive task due to the large combinatorics of detector signals. Recent efforts have proven that ML techniques can be successfully applied to the…

High Energy Physics - Experiment · Physics 2024-11-19 Nathalie Soybelman , Carlo Schiavi , Francesco A. Di Bello , Eilam Gross

The greatest challenge facing visual object tracking is the simultaneous requirements on robustness and discrimination power. In this paper, we propose a SiamFC-based tracker, named SPM-Tracker, to tackle this challenge. The basic idea is…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Guangting Wang , Chong Luo , Zhiwei Xiong , Wenjun Zeng

The LHC accelerator complex will be upgraded between 2020-2022, to the High-Luminosity-LHC, to considerably increase statistics for the various physics analyses. To operate under these challenging new conditions, and maintain excellent…

Instrumentation and Detectors · Physics 2015-04-09 C. Nellist , N. Dinu , E. Gkougkousis , A. Lounis

The CMS experiment has been designed with a two-level trigger system: the Level-1 Trigger, implemented on custom-designed electronics, and the High Level Trigger, a streamlined version of the CMS offline reconstruction software running on a…

Instrumentation and Detectors · Physics 2020-11-19 Thiago R. F. P. Tomei

This paper describes the integration structures for the silicon strips tracker of the ATLAS detector proposed for the Phase-II upgrade of the Large Hadron Collider (LHC), also referred to as High Luminosity LHC (HL-LHC). In this proposed…

Instrumentation and Detectors · Physics 2013-10-02 Sergio Diez

Robust object skeleton detection requires to explore rich representative visual features and effective feature fusion strategies. In this paper, we first re-visit the implementation of HED, the essential principle of which can be ideally…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Chang Liu , Wei Ke , Fei Qin , Qixiang Ye

The search for charged particle tracks in detectors with linear sensing elements, such as wire chambers, strip silicon detectors etc., starts with identification of straight track segments. The latter are deduced by constructing all…

Instrumentation and Detectors · Physics 2019-12-02 Alexander Belyaev , Sergey Avramenko , Geydar Agakishiev , Vladimir Pechenov , Viktor Rikhvitsky

The successful running of the large area Silicon trackers of ATLAS and CMS at LHC, and the ongoing R&D for the upgrade of these tracking systems, in various stages, over this decade, are a full proof of this technology and of its still…

Instrumentation and Detectors · Physics 2012-03-06 Aurore Savoy-Navarro

This paper introduces a novel framework for the automated tracking of cells, with a particular focus on the challenging situation of phase contrast microscopic videos. Our framework is based on a topology preserving variational segmentation…

Quantitative Methods · Quantitative Biology 2012-03-28 Michael Moeller , Martin Burger , Peter Dieterich , Albrecht Schwab

A new concept, the Triplet Track Trigger (TTT), is proposed for stand-alone tracking at the first trigger level of the FCC-hh detector. The concept is based on a highly scalable monolithic pixel sensor technology and uses a very simple and…

Instrumentation and Detectors · Physics 2025-01-16 T. Kar , A. Schöning

After 2001 the upgraded ep collider HERA will provide an about five times higher luminosity for the two experiments H1 and ZEUS. In order to cope with the expected higher event rates the H1 collaboration is building a track based trigger…

High Energy Physics - Experiment · Physics 2014-11-17 A. Baird , E. Elsen , Y. H. Fleming , M. Kolander , S. Kolya , D. Meer , D. Mercer , J. Naumann , P. R. Newman , D. Sankey , A. Schoening , H. -C. Schultz-Coulon , Ch. Wissing

This project aims to develop a robust video surveillance system, which can segment videos into smaller clips based on the detection of activities. It uses CCTV footage, for example, to record only major events-like the appearance of a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Shahran Rahman Alve

We describe an approach to parallel graph partitioning that scales to hundreds of processors and produces a high solution quality. For example, for many instances from Walshaw's benchmark collection we improve the best known partitioning.…

Distributed, Parallel, and Cluster Computing · Computer Science 2010-04-08 Manuel Holtgrewe , Peter Sanders , Christian Schulz

This article describes a new charged-particle track fitting algorithm designed for use in high-speed electronics applications such as hardware-based triggers in high-energy physics experiments. Following a novel technique designed for fast…

Efficient and accurate algorithms are necessary to reconstruct particles in the highly granular detectors anticipated at the High-Luminosity Large Hadron Collider and the Future Circular Collider. We study scalable machine learning models…

Data Analysis, Statistics and Probability · Physics 2024-07-17 Joosep Pata , Eric Wulff , Farouk Mokhtar , David Southwick , Mengke Zhang , Maria Girone , Javier Duarte
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