ÚTEFČVUT Ústav technické a experimentální fyziky ČVUT v PrazeInstitute of Experimental and Applied Physics, CTU in Prague

Denoising 3D Time Projection Chamber data using convolutional neural networks

NázevTitle
Denoising 3D Time Projection Chamber data using convolutional neural networksDenoising 3D Time Projection Chamber data using convolutional neural networks
Druh výsledkuResult type
Článek v časopiseJournal article
AutořiAuthors
M. Gajdoš, P. Ferreira Natal Da Luz, G. G. A. Souza, M. Bregant
Klíčová slovaKeywords
Data processing methods, Pattern recognition, cluster finding, calibration and fitting methods, Time Projection Chamber
KonferenceConference
8th International Conference on Micro-Pattern Gaseous Detectors (Hefei, China, 2024-10-14)
DOIDOI
10.1088/1748-0221/20/05/C05014
Časopis / citaceJournal / citation
Journal of Instrumentation 20(05), C05014 (2025) · ISSN 1748-0221
RokYear
2025
JazykLanguage
eng
ZáznamyRecords
ProjektProject
Institucionální podpora na rozvoj výzkumné org.Institucionální podpora na rozvoj výzkumné org.
Plný text (open access)Full text (open access)
https://iopscience.iop.org/article/10.1088/1748-0221/20/05/C05014/pdf
Citace ke staženíDownload citation
TXT · BibTeX

AbstraktAbstract

Spurious signals caused by microdischarges are a known effect inherent to all gaseous detectors. During the reconstruction in imaging and tracking detectors, such as time projection chambers, these signals are added to the actual track-generated signal as extra pixels or clusters, compromising the performance of the detector. The usual approach to remove these noise patterns is by hardware-dependent heuristics and conditions. In this work, we study the usage of denoising convolutional neural networks (NN) to clean the signals from a Time Projection Chamber (TPC) prototype. We show that this denoising provides also a tool for the selection and rejection of detector events that do not contain any track. The output provided by the neural network is compared with the results obtained using a conventional algorithm. The Physics of the events measured by the detector (such as the shape of the tracks) is used to assess and compare the quality of the two algorithms and how much they improve the existing data set.

Spurious signals caused by microdischarges are a known effect inherent to all gaseous detectors. During the reconstruction in imaging and tracking detectors, such as time projection chambers, these signals are added to the actual track-generated signal as extra pixels or clusters, compromising the performance of the detector. The usual approach to remove these noise patterns is by hardware-dependent heuristics and conditions. In this work, we study the usage of denoising convolutional neural networks (NN) to clean the signals from a Time Projection Chamber (TPC) prototype. We show that this denoising provides also a tool for the selection and rejection of detector events that do not contain any track. The output provided by the neural network is compared with the results obtained using a conventional algorithm. The Physics of the events measured by the detector (such as the shape of the tracks) is used to assess and compare the quality of the two algorithms and how much they improve the existing data set.

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