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- W1964582185 abstract "O presente trabalho tem como objetivo analisar o potencial de imagens SAR polarimétricas do sensor TerraSAR-X, no modo StripMap, para mapear o uso e cobertura da terra na região sudoeste da Amazônia brasileira. No procedimento metodológico imagens de amplitude nas polarizações A HH e A VV, A<HH.VV*> derivada da matriz de covariância, bem como da entropia A Entropia derivada da decomposição de alvos por auto-valores fizeram parte, de forma individual ou combinada, do conjunto de dados investigados. Na classificação das imagens foram empregados dois classificadores: um baseado nas funções estatísticas de máxima verossimilhança (MAXVER); e outro, o método contextual (Context). Os resultados temáticos dessas classificações foram avaliados através da matriz de confusão e pelo índice Kappa. De forma sintetizada pode-se afirmar que as componentes A<HH.VV*> e A Entropia, têm significativa contribuição no procedimento classificatório, sobretudo pelo método Context, cujo desempenho alcançou com 78% de exatidão global e índice Kappa de 0,70." @default.
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- W1964582185 date "2012-06-01" @default.
- W1964582185 modified "2023-10-10" @default.
- W1964582185 title "Análise do potencial de imagem TerraSAR-X para mapeamento temático no sudoeste da Amazônia brasileira" @default.
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- W1964582185 doi "https://doi.org/10.1590/s0044-59672012000200004" @default.
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