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The reconstruction software for ILD is currently subject to a major revision, aiming at improving its accuracy, speed, efficiency and maintainability in time for the upcoming DBD Report. This requires replacing old code by novel methods for…

Data Analysis, Statistics and Probability · Physics 2012-02-14 Robin Glattauer , Rudolf Frühwirth , Jakob Lettenbichler , Winfried Mitaroff

Finding tracks downstream of the magnet at the earliest LHCb trigger level is not part of the baseline plan of the upgrade trigger, on account of the significant CPU time required to execute the search. Many long-lived particles, such as…

Instrumentation and Detectors · Physics 2020-08-26 Riccardo Cenci , Andrea Di Luca , Federico Lazzari , Michael J. Morello , Giovanni Punzi

Multi-object tracking plays a crucial role in various applications, such as autonomous driving and security surveillance. This study introduces Deep LG-Track, a novel multi-object tracker that incorporates three key enhancements to improve…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Ting Meng , Chunyun Fu , Xiangyan Yan , Zheng Liang , Pan Ji , Jianwen Wang , Tao Huang

The reconstruction of charged particle trajectories is a crucial challenge of particle physics experiments as it directly impacts particle reconstruction and physics performances. To reconstruct these trajectories, different reconstruction…

This paper addresses limitations in 3D tracking-by-detection methods, particularly in identifying legitimate trajectories and reducing state estimation drift in Kalman filters. Existing methods often use threshold-based filtering for…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Mohamed Nagy , Naoufel Werghi , Bilal Hassan , Jorge Dias , Majid Khonji

For multi-target tracking, target representation plays a crucial rule in performance. State-of-the-art approaches rely on the deep learning-based visual representation that gives an optimal performance at the cost of high computational…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Mohib Ullah , Maqsood Mahmud , Habib Ullah , Kashif Ahmad , Ali Shariq Imran , Faouzi Alaya Cheikh

Particle track reconstruction, in which the trajectories of charged particles are determined, is a critical and time consuming component of the full event reconstruction chain. The underlying software is complex and consists of a number of…

High Energy Physics - Experiment · Physics 2023-01-24 Rocky Bala Garg , Elyssa Hofgard , Lauren Tompkins , Heather Gray

We propose an algorithm, deployable on a highly-parallelized graph computing architecture, to perform rapid reconstruction of charged-particle trajectories in the high energy collisions at the Large Hadron Collider and future colliders. We…

Instrumentation and Detectors · Physics 2020-01-22 Ashutosh V. Kotwal

This work proposes a resilient and adaptive state estimation framework for robots operating in perceptually-degraded environments. The approach, called Adaptive Maximum Correntropy Criterion Kalman Filtering (AMCCKF), is inherently robust…

Kalman filter (KF) based methods for multi-object tracking (MOT) make an assumption that objects move linearly. While this assumption is acceptable for very short periods of occlusion, linear estimates of motion for prolonged time can be…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Jinkun Cao , Jiangmiao Pang , Xinshuo Weng , Rawal Khirodkar , Kris Kitani

Recently, the Kernelized Correlation Filters tracker (KCF) achieved competitive performance and robustness in visual object tracking. On the other hand, visual trackers are not typically used in multiple object tracking. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Yuebin Yang , Guillaume-Alexandre Bilodeau

The Compact Muon Solenoid (CMS) detector is one of two general-purpose detectors that reconstruct the products of high energy particle interactions at the Large Hadron Collider (LHC) at CERN. The silicon pixel detector is the innermost…

Instrumentation and Detectors · Physics 2019-08-13 Tamas Almos Vami

In the transition to Run 3 in 2021, LHCb will undergo a major luminosity upgrade, going from 1.1 to 5.6 expected visible Primary Vertices (PVs) per event, and will adopt a purely software trigger. This has fueled increased interest in…

Instrumentation and Detectors · Physics 2020-08-26 Rui Fang , Henry F Schreiner , Michael D Sokoloff , Constantin Weisser , Mike Williams

We give an overview of track fitting using the Kalman filter method in the NOMAD detector at CERN, and emphasize how the wealth of by-product information can be used to analyze track breakpoints (discontinuities in track parameters caused…

Data Analysis, Statistics and Probability · Physics 2009-10-31 Pierre Astier , Alessandro Cardini , Robert D. Cousins , Antoine Letessier-Selvon , Boris A. Popov , Tatiana Vinogradova

Particle track reconstruction is the most computationally intensive process in nuclear physics experiments. Traditional algorithms use a combinatorial approach that exhaustively tests track measurements ("hits") to identify those that form…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Polykarpos Thomadakis , Angelos Angelopoulos , Gagik Gavalian , Nikos Chrisochoides

We present an improved hybrid algorithm for vertexing, that combines deep learning with conventional methods. Even though the algorithm is a generic approach to vertex finding, we focus here on it's application as an alternative Primary…

The CMS silicon tracking system measures the trajectories of charged particles with a hit resolution of the order of microns in the pixel detector and tens of microns in the strip detector. One of the most important inputs for track…

Instrumentation and Detectors · Physics 2023-03-30 Ana Ventura Barroso

The HL-LHC and the corresponding detector upgrades for the CMS experiment will present extreme challenges for the full simulation. In particular, increased precision in models of physics processes may be required for accurate reproduction…

Computational Physics · Physics 2020-11-19 Kevin Pedro

The LHCb collaboration has redesigned its trigger to enable the full offline detector reconstruction to be performed in real time. Together with the real-time alignment and calibration of the detector, and a software infrastructure to make…

High Energy Physics - Experiment · Physics 2019-06-26 R. Aaij , S. Akar , J. Albrecht , M. Alexander , A. Alfonso Albero , S. Amerio , L. Anderlini , P. d'Argent , A. Baranov , W. Barter , S. Benson , D. Bobulska , T. Boettcher , S. Borghi , E. E. Bowen , L. Brarda , C. Burr , J. -P. Cachemiche , M. Calvo Gomez , M. Cattaneo , H. Chanal , M. Chapman , M. Chebbi , M. Chefdeville , P. Ciambrone , J. Cogan , S. -G. Chitic , M. Clemencic , J. Closier , B. Couturier , M. Daoudi , K. De Bruyn , M. De Cian , O. Deschamps , F. Dettori , F. Dordei , L. Douglas , K. Dreimanis , L. Dufour , G. Dujany , P. Durante , P. -Y. Duval , A. Dziurda , S. Esen , C. Fitzpatrick , M. Fontanna , M. Frank , M. Van Veghel , C. Gaspar , D. Gerstel , Ph. Ghez , K. Gizdov , V. V. Gligorov , E. Govorkova , L. A. Granado Cardoso , L. Grillo , I. Guz , F. Hachon , J. He , D. Hill , W. Hu , W. Hulsbergen , P. Ilten , Y. Li , C. P. Linn , O. Lupton , D. Johnson , C. R. Jones , B. Jost , M. Kenzie , R. Kopecna , P. Koppenburg , M. Kreps , R. Le Gac , R. Lefèvre , O. Leroy , F. Machefert , G. Mancinelli , S. Maddrell-Mander , J. F. Marchand , U. Marconi , C. Marin Benito , M. Martinelli , D. Martinez Santos , R. Matev , E. Michielin , S. Monteil , A. Morris , M. -N. Minard , H. Mohamed , M. J. Morello , P. Naik , S. Neubert , N. Neufeld , E. Niel , A. Pearce , P. Perret , F. Polci , J. Prisciandaro , C. Prouve , A. Puig Navarro , M. Ramos Pernas , G. Raven , F. Rethore , V. Rives Molina , P. Robbe , G. Sarpis , F. Sborzacchi , M. Schiller , R. Schwemmer , B. Sciascia , J. Serrano , P. Seyfert , M. -H. Schune , M. Smith , A. Solomin , M. Sokoloff , P. Spradlin , M. Stahl , S. Stahl , B. Storaci , S. Stracka , M. Szymanski , M. Traill , A. Usachov , S. Valat , R. Vazquez Gomez , M. Vesterinen , B. Voneki , M. Wang , C. Weisser , M. Whitehead , M. Williams , M. Winn , M. Witek , Z. Xiang , A. Xu , Z. Xu , H. Yin , Y. Zhang , Y. Zhou

It is challenging to design a high speed tracking approach using l1-norm due to its non-differentiability. In this paper, a new kernelized correlation filter is introduced by leveraging the sparsity attribute of l1-norm based regularization…

Computer Vision and Pattern Recognition · Computer Science 2019-02-25 Mingyang Guan , Zhengguo Li , Renjie He , Changyun Wen
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