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		<issn>2179-4847</issn>
		<citationkey>SáGamQueVinRoc:2018:IdBaAr</citationkey>
		<title>Identificação de bancos de areia situados na região da Baía do Guajará mediante redes neurais convolucionais profundas e imagens de Radar de Abertura Sintética (SAR)</title>
		<format>On-line</format>
		<year>2018</year>
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		<author>Sá, Jose A. S.,</author>
		<author>Gama, Fabio F,</author>
		<author>Queiroz, Giberto Ribeiro,</author>
		<author>Vinhas, Lúbia,</author>
		<author>Rocha, Brigida R. P.,</author>
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		<group>DIDPI-CGOBT-INPE-MCTIC-GOV-BR</group>
		<group>CGOBT-CGOBT-INPE-MCTIC-GOV-BR</group>
		<affiliation>Universidade do Estado do Pará (UEA)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>CENSIPAM</affiliation>
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		<electronicmailaddress>gilberto.queiroz@inpe.br</electronicmailaddress>
		<electronicmailaddress>lubia.vinhas@inpe.br</electronicmailaddress>
		<editor>Vinhas, Lúbia (INPE),</editor>
		<editor>Campelo, Claudio (UFCG),</editor>
		<e-mailaddress>lubia@dpi.inpe.br</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Geoinformática, 19 (GEOINFO)</conferencename>
		<conferencelocation>Campina Grande</conferencelocation>
		<date>05-07 dez. 2018</date>
		<publisher>Instituto Nacional de Pesquisas Espaciais (INPE)</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>164-169</pages>
		<transferableflag>1</transferableflag>
		<abstract>Bancos de areia representam um perigo a&#768; navegac&#807;a&#771;o fluvial e mari&#769;tima devido aos danos significativos que podem gerar para as embarcac&#807;o&#771;es, tripulac&#807;o&#771;es e passageiros. Este trabalho buscou desenvolver uma metodologia para a identificac&#807;a&#771;o automa&#769;tica de bancos de areia situados em uma regia&#771;o estuarina Amazo&#770;nica (Bai&#769;a do Guajara&#769;) mediante imagem de radar de abertura sinte&#769;tica (SAR) e redes neurais convolucionais profundas (Deep Learning) no intuito de auxiliar o monitoramento da evoluc&#807;a&#771;o destes obsta&#769;culos a&#768; navegac&#807;a&#771;o local. Os resultados demostraram diferenc&#807;as relevantes no uso das polarizac&#807;o&#771;es SAR para o monitoramento de bancos de areia, ale&#769;m de acura&#769;cia igual a 99,6% para a identificac&#807;a&#771;o automa&#769;tica.</abstract>
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