Sistemas distribuídos aplicados à compressão e recuperação de imagens

Detalhes bibliográficos
Autor(a) principal: Gostaldon, Fabio Jorge Assad
Data de Publicação: 2008
Outros Autores: Shinoda, Ailton Akira [UNESP]
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://hdl.handle.net/11449/226328
Resumo: Digital image processing is a field that demands great processing capacity. As such, it becomes relevant to implement software that is based on the distribution of the processing into several nodes divided by computers belonging to the same network. Specifically discussed in this work are distributed algorithms of compression and expansion of images using the discrete cosine transform. The results show that the savings in processing time obtained due to the parallel algorithms, in comparison to its sequential equivalents, is a function that depends on the resolution of the image and the complexity of the involved calculation; that is, efficiency is greater the longer the processing period is in terms of the time involved for the communication between the network points.
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spelling Sistemas distribuídos aplicados à compressão e recuperação de imagensDistributed systems applied to image compression and recoveryDigital image processingDistributed systemsMPIDigital image processing is a field that demands great processing capacity. As such, it becomes relevant to implement software that is based on the distribution of the processing into several nodes divided by computers belonging to the same network. Specifically discussed in this work are distributed algorithms of compression and expansion of images using the discrete cosine transform. The results show that the savings in processing time obtained due to the parallel algorithms, in comparison to its sequential equivalents, is a function that depends on the resolution of the image and the complexity of the involved calculation; that is, efficiency is greater the longer the processing period is in terms of the time involved for the communication between the network points.Departamento de Engenharia de Petróleo Faculdade de Engenharia Mecânica Universidade Estadual de Campinas, Rua Mendeleiev, s/n, Campinas, 13083-970, São PauloDepartamento de Engenharia Elétrica Universidade Estadual Paulista, Ilha Solteira, São PauloDepartamento de Engenharia Elétrica Universidade Estadual Paulista, Ilha Solteira, São PauloUniversidade Estadual de Campinas (UNICAMP)Universidade Estadual Paulista (UNESP)Gostaldon, Fabio Jorge AssadShinoda, Ailton Akira [UNESP]2022-04-28T22:37:20Z2022-04-28T22:37:20Z2008-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article1-7Acta Scientiarum - Technology, v. 30, n. 1, p. 1-7, 2008.1806-2563http://hdl.handle.net/11449/2263282-s2.0-79956266407Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporActa Scientiarum - Technologyinfo:eu-repo/semantics/openAccess2022-04-28T22:37:20Zoai:repositorio.unesp.br:11449/226328Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-28T22:37:20Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Sistemas distribuídos aplicados à compressão e recuperação de imagens
Distributed systems applied to image compression and recovery
title Sistemas distribuídos aplicados à compressão e recuperação de imagens
spellingShingle Sistemas distribuídos aplicados à compressão e recuperação de imagens
Gostaldon, Fabio Jorge Assad
Digital image processing
Distributed systems
MPI
title_short Sistemas distribuídos aplicados à compressão e recuperação de imagens
title_full Sistemas distribuídos aplicados à compressão e recuperação de imagens
title_fullStr Sistemas distribuídos aplicados à compressão e recuperação de imagens
title_full_unstemmed Sistemas distribuídos aplicados à compressão e recuperação de imagens
title_sort Sistemas distribuídos aplicados à compressão e recuperação de imagens
author Gostaldon, Fabio Jorge Assad
author_facet Gostaldon, Fabio Jorge Assad
Shinoda, Ailton Akira [UNESP]
author_role author
author2 Shinoda, Ailton Akira [UNESP]
author2_role author
dc.contributor.none.fl_str_mv Universidade Estadual de Campinas (UNICAMP)
Universidade Estadual Paulista (UNESP)
dc.contributor.author.fl_str_mv Gostaldon, Fabio Jorge Assad
Shinoda, Ailton Akira [UNESP]
dc.subject.por.fl_str_mv Digital image processing
Distributed systems
MPI
topic Digital image processing
Distributed systems
MPI
description Digital image processing is a field that demands great processing capacity. As such, it becomes relevant to implement software that is based on the distribution of the processing into several nodes divided by computers belonging to the same network. Specifically discussed in this work are distributed algorithms of compression and expansion of images using the discrete cosine transform. The results show that the savings in processing time obtained due to the parallel algorithms, in comparison to its sequential equivalents, is a function that depends on the resolution of the image and the complexity of the involved calculation; that is, efficiency is greater the longer the processing period is in terms of the time involved for the communication between the network points.
publishDate 2008
dc.date.none.fl_str_mv 2008-12-01
2022-04-28T22:37:20Z
2022-04-28T22:37:20Z
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 Acta Scientiarum - Technology, v. 30, n. 1, p. 1-7, 2008.
1806-2563
http://hdl.handle.net/11449/226328
2-s2.0-79956266407
identifier_str_mv Acta Scientiarum - Technology, v. 30, n. 1, p. 1-7, 2008.
1806-2563
2-s2.0-79956266407
url http://hdl.handle.net/11449/226328
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv Acta Scientiarum - Technology
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 1-7
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_ 1803650277990989824

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