Heuristic Method for Photo-detectors Localization over Continuous Crystal Scintillation Cameras

The construction process of large scintillation cameras with continuous crystals is a complex problem affected by multiple variables, from the physical construction of the scintillation crystal to the dispersion in the sensibility of photomultiplier tubes. The selection of these variables have a str...

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Autores principales: Rodríguez Colmeiro, Ramiro G., Verrastro, Claudio A.
Formato: Articulo
Lenguaje:Español
Publicado: 2018
Materias:
Ciencias Informáticas
anger camera
genetic algorithms
pet tomography
photomultiplier placement
scintillation cameras
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/66712
http://journal.info.unlp.edu.ar/JCST/article/view/690/220
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-66712
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Informáticas
anger camera
genetic algorithms
pet tomography
photomultiplier placement
scintillation cameras
spellingShingle Ciencias Informáticas
anger camera
genetic algorithms
pet tomography
photomultiplier placement
scintillation cameras
Rodríguez Colmeiro, Ramiro G.
Verrastro, Claudio A.
Heuristic Method for Photo-detectors Localization over Continuous Crystal Scintillation Cameras
topic_facet Ciencias Informáticas
anger camera
genetic algorithms
pet tomography
photomultiplier placement
scintillation cameras
description The construction process of large scintillation cameras with continuous crystals is a complex problem affected by multiple variables, from the physical construction of the scintillation crystal to the dispersion in the sensibility of photomultiplier tubes. The selection of these variables have a strong impact on the final performance of the scintillation camera. A new method to select photomultiplier is presented in this paper, regarding its gain, making use of k-means clustering and genetic algorithms. The proposed algorithm was tested and applied in the construction of six scintillation cameras for the Argentinean positron emission tomogaph prototype (AR-PET), a problem with more than 10+600 possible configurations. The resulting configuration of the scintillation cameras reduced the software-freecalibration FWHM of the camera from 20% to 15% average.
format Articulo
Articulo
author Rodríguez Colmeiro, Ramiro G.
Verrastro, Claudio A.
author_facet Rodríguez Colmeiro, Ramiro G.
Verrastro, Claudio A.
author_sort Rodríguez Colmeiro, Ramiro G.
title Heuristic Method for Photo-detectors Localization over Continuous Crystal Scintillation Cameras
title_short Heuristic Method for Photo-detectors Localization over Continuous Crystal Scintillation Cameras
title_full Heuristic Method for Photo-detectors Localization over Continuous Crystal Scintillation Cameras
title_fullStr Heuristic Method for Photo-detectors Localization over Continuous Crystal Scintillation Cameras
title_full_unstemmed Heuristic Method for Photo-detectors Localization over Continuous Crystal Scintillation Cameras
title_sort heuristic method for photo-detectors localization over continuous crystal scintillation cameras
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/66712
http://journal.info.unlp.edu.ar/JCST/article/view/690/220
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AT verrastroclaudioa heuristicmethodforphotodetectorslocalizationovercontinuouscrystalscintillationcameras
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