Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound

Detalhes bibliográficos
Autor(a) principal: Filho, Pedro Luciano Mellucci [UNESP]
Data de Publicação: 2023
Outros Autores: Bertanha, Matheus [UNESP], Jaldin, Rodrigo Gibin [UNESP], Yoshida, Winston Bonetti [UNESP], Sobreira, Marcone Lima [UNESP]
Tipo de documento: Artigo
Idioma: eng
por
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/1677-5449.202200812
http://hdl.handle.net/11449/249661
Resumo: Factors related to atherosclerotic plaques may indicate instability, such as ulcerations, intraplaque hemorrhages, lipid core, thin or irregular fibrous cap, and inflammation. The grayscale median (GSM) value is one of the most widespread methods of studying atherosclerotic plaques and it is therefore important to comprehensively standardize image post-processing. Post-processing was performed using Photoshop 23.1.1.202. Images were standardized by adjusting the grayscale histogram curves, setting the darkest point of the vascular lumen (blood) to zero and the distal adventitia to 190. Posterization and color mapping were performed. A methodology that presents the current state of the art in an accessible and illustrative way should contribute to the dissemination of GSM analysis. This article describes and illustrates the process step by step.
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spelling Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasoundPós-processamento da mediana de escala de cinza (GSM), posterização e remapeamento de cores para ultrassonografia de carótidasafterimagecarotid artery diseasescarotid stenosiscomputer-assisted image interpretationDoppler ultrasoundFactors related to atherosclerotic plaques may indicate instability, such as ulcerations, intraplaque hemorrhages, lipid core, thin or irregular fibrous cap, and inflammation. The grayscale median (GSM) value is one of the most widespread methods of studying atherosclerotic plaques and it is therefore important to comprehensively standardize image post-processing. Post-processing was performed using Photoshop 23.1.1.202. Images were standardized by adjusting the grayscale histogram curves, setting the darkest point of the vascular lumen (blood) to zero and the distal adventitia to 190. Posterization and color mapping were performed. A methodology that presents the current state of the art in an accessible and illustrative way should contribute to the dissemination of GSM analysis. This article describes and illustrates the process step by step.Universidade Estadual Paulista – UNESP, SPUniversidade Estadual Paulista – UNESP, SPUniversidade Estadual Paulista (UNESP)Filho, Pedro Luciano Mellucci [UNESP]Bertanha, Matheus [UNESP]Jaldin, Rodrigo Gibin [UNESP]Yoshida, Winston Bonetti [UNESP]Sobreira, Marcone Lima [UNESP]2023-07-29T16:05:48Z2023-07-29T16:05:48Z2023-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1590/1677-5449.202200812Jornal Vascular Brasileiro, v. 22.1677-73011677-5449http://hdl.handle.net/11449/24966110.1590/1677-5449.2022008122-s2.0-85148224415Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengporJornal Vascular Brasileiroinfo:eu-repo/semantics/openAccess2024-08-14T14:18:14Zoai:repositorio.unesp.br:11449/249661Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-14T14:18:14Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound
Pós-processamento da mediana de escala de cinza (GSM), posterização e remapeamento de cores para ultrassonografia de carótidas
title Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound
spellingShingle Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound
Filho, Pedro Luciano Mellucci [UNESP]
afterimage
carotid artery diseases
carotid stenosis
computer-assisted image interpretation
Doppler ultrasound
title_short Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound
title_full Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound
title_fullStr Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound
title_full_unstemmed Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound
title_sort Grayscale median (GSM) post-processing, posterizing, and color mapping for carotid ultrasound
author Filho, Pedro Luciano Mellucci [UNESP]
author_facet Filho, Pedro Luciano Mellucci [UNESP]
Bertanha, Matheus [UNESP]
Jaldin, Rodrigo Gibin [UNESP]
Yoshida, Winston Bonetti [UNESP]
Sobreira, Marcone Lima [UNESP]
author_role author
author2 Bertanha, Matheus [UNESP]
Jaldin, Rodrigo Gibin [UNESP]
Yoshida, Winston Bonetti [UNESP]
Sobreira, Marcone Lima [UNESP]
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (UNESP)
dc.contributor.author.fl_str_mv Filho, Pedro Luciano Mellucci [UNESP]
Bertanha, Matheus [UNESP]
Jaldin, Rodrigo Gibin [UNESP]
Yoshida, Winston Bonetti [UNESP]
Sobreira, Marcone Lima [UNESP]
dc.subject.por.fl_str_mv afterimage
carotid artery diseases
carotid stenosis
computer-assisted image interpretation
Doppler ultrasound
topic afterimage
carotid artery diseases
carotid stenosis
computer-assisted image interpretation
Doppler ultrasound
description Factors related to atherosclerotic plaques may indicate instability, such as ulcerations, intraplaque hemorrhages, lipid core, thin or irregular fibrous cap, and inflammation. The grayscale median (GSM) value is one of the most widespread methods of studying atherosclerotic plaques and it is therefore important to comprehensively standardize image post-processing. Post-processing was performed using Photoshop 23.1.1.202. Images were standardized by adjusting the grayscale histogram curves, setting the darkest point of the vascular lumen (blood) to zero and the distal adventitia to 190. Posterization and color mapping were performed. A methodology that presents the current state of the art in an accessible and illustrative way should contribute to the dissemination of GSM analysis. This article describes and illustrates the process step by step.
publishDate 2023
dc.date.none.fl_str_mv 2023-07-29T16:05:48Z
2023-07-29T16:05:48Z
2023-01-01
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1590/1677-5449.202200812
Jornal Vascular Brasileiro, v. 22.
1677-7301
1677-5449
http://hdl.handle.net/11449/249661
10.1590/1677-5449.202200812
2-s2.0-85148224415
url http://dx.doi.org/10.1590/1677-5449.202200812
http://hdl.handle.net/11449/249661
identifier_str_mv Jornal Vascular Brasileiro, v. 22.
1677-7301
1677-5449
10.1590/1677-5449.202200812
2-s2.0-85148224415
dc.language.iso.fl_str_mv eng
por
language eng
por
dc.relation.none.fl_str_mv Jornal Vascular Brasileiro
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
_version_ 1808128101441339392

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