1. Identity statement | |
Reference Type | Thesis or Dissertation (Thesis) |
Site | mtc-m16c.sid.inpe.br |
Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
Identifier | 6qtX3pFwXQZ3P8SECKy/zcpUE |
Repository | sid.inpe.br/jeferson/2003/08.19.09.05 |
Last Update | 2023:01.03.18.41.36 (UTC) simone |
Metadata Repository | sid.inpe.br/jeferson/2003/08.19.09.05.02 |
Metadata Last Update | 2023:01.04.04.24.50 (UTC) administrator |
Secondary Key | INPE--TDI/ |
Citation Key | Castro:2003:DeBoNa |
Title | Detecção de bordas e navegação autônoma utilizando redes neurais artificiais |
Alternate Title | Edge detection and autonomous navigation using artificial neural network |
Course | CAP-SPG-INPE-MCT-BR |
Year | 2003 |
Secondary Date | 20030617 |
Date | 2003-06-02 |
Access Date | 2024, May 04 |
Thesis Type | Dissertação (Mestrado em Computação Aplicada) |
Secondary Type | TDI |
Number of Pages | 154 |
Number of Files | 1 |
Size | 24538 KiB |
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2. Context | |
Author | Castro, Ana Paula Abrantes |
Group | CAP-SPG-INPE-MCT-BR |
Committee | Fonseca, Leila Maria Garcia (presidente) Silva, José Demisio da (orientador) Guimarães, Lamartine Nogueira Frutuoso Silva, Ivan Nunes da |
e-Mail Address | abrantesapc@gmail.com |
University | Instituto Nacional de Pesquisas Espaciais (INPE) |
City | São José dos Campos |
History (UTC) | 2006-09-27 21:14:33 :: administrator -> jefferson :: 2008-05-02 16:46:58 :: jefferson -> administrator :: 2008-08-21 21:18:10 :: administrator -> jefferson :: 2009-04-28 19:26:50 :: jefferson -> carolina@sid.inpe.br :: 2009-04-30 19:56:36 :: carolina@sid.inpe.br -> marciana :: 2009-06-15 17:20:33 :: marciana -> carolina@sid.inpe.br :: 2009-06-30 14:42:47 :: carolina@sid.inpe.br -> administrator :: 2009-07-07 16:12:06 :: administrator -> carolina@sid.inpe.br :: 2009-07-09 15:49:55 :: carolina@sid.inpe.br -> administrator :: 2018-07-18 16:43:43 :: administrator -> sergio :: 2003 2019-02-18 15:48:45 :: sergio :: 2003 -> 2019-02-18 15:53:46 :: sergio -> administrator :: 2020-07-07 11:05:03 :: administrator -> sergio :: 2020-07-08 13:22:44 :: sergio -> administrator :: 2022-03-15 18:56:39 :: administrator -> simone :: 2023-01-03 18:41:37 :: simone :: -> 2023 2023-01-03 18:53:21 :: simone :: 2023 -> 2003 2023-01-03 18:54:50 :: simone -> administrator :: 2003 2023-01-04 04:24:50 :: administrator -> :: 2003 |
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3. Content and structure | |
Is the master or a copy? | is the master |
Content Stage | completed |
Transferable | 1 |
Keywords | detecção de bordas navegação autônoma redes neurais |
Abstract | Esta dissertação estuda o uso de Redes Neurais Artificiais na detecção de bordas em imagens e no controle de um veículo em navegação autônoma. São apresentados vários modelos de redes neurais que são estudados e testados, com o objetivo de buscar o modelo mais adequado para a tarefa de detecção de bordas, segundo critérios de desempenho que comparam as redes neurais artificiais com algoritmos tradicionais na área de visão computacional, como por exemplo, o operador de Canny. Para o controle da navegação autônoma utilizam-se modelos de redes neurais com aprendizagem supervisionada, treinadas para simular os processos envolvidos na navegação realizada por um humano. O desempenho das redes neurais na navegação é comparado com um sistema baseado em lógica nebulosa usado como base para o treinamento. São usadas diferentes imagens teste na experimentação das redes neurais no processo de detecção de bordas. No trabalho é proposta uma metodologia para medir a qualidade das imagens de borda geradas pelos operadores de redes neurais. Os resultados encontrados mostram-se promissores, com as redes neurais apresentando desempenho similar ao método de Canny. ABSTRACT: This work is about the study of Artificial Neural Networks (ANN) Systems for edge detection and robot autonomous navigation. Different ANNs are studied and tested in a search for the most adequate model for edge detection according to a performance criterion that compares the ANN based detectors to the standard algorithms available in the literature, such as Canny operator. Supervised neural network models are used to simulate the human navigation control processes in autonomous navigation. Their performances are compared to a fuzzy logic control system developed earlier, whose parameters are used in the neural network training processes. Different images are used to test the neural network edge detectors. A methodology for measuring the quality of the edge images produced by the neural network operator is proposed. The results show that the neural network operators have a performance comparable to existing Canny standard operator, and are thus promising operators for edge detection. |
Area | COMP |
Arrangement | urlib.net > BDMCI > Fonds > Produção pgr ATUAIS > CAP > Detecção de bordas... |
doc Directory Content | access |
source Directory Content | there are no files |
agreement Directory Content | |
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4. Conditions of access and use | |
data URL | http://urlib.net/ibi/6qtX3pFwXQZ3P8SECKy/zcpUE |
zipped data URL | http://urlib.net/zip/6qtX3pFwXQZ3P8SECKy/zcpUE |
Language | pt |
Target File | Ana Paula Abrantes de Castro.pdf |
User Group | administrator carolina@sid.inpe.br simone |
Visibility | shown |
Copyright License | urlib.net/www/2012/11.12.20.35 |
Rightsholder | originalauthor yes |
Read Permission | allow from all |
Update Permission | not transferred |
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5. Allied materials | |
Next Higher Units | 8JMKD3MGPCW/3F2PHGS |
Host Collection | sid.inpe.br/mtc-m18@80/2008/03.17.15.17 |
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6. Notes | |
Empty Fields | academicdepartment affiliation archivingpolicy archivist callnumber contenttype copyholder creatorhistory descriptionlevel dissemination doi electronicmailaddress format isbn issn label lineage mark mirrorrepository nextedition notes number orcid parameterlist parentrepositories previousedition previouslowerunit progress readergroup resumeid schedulinginformation secondarymark session shorttitle sponsor subject tertiarymark tertiarytype url versiontype |
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