2011
DOI: 10.4322/floram.2011.030
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Comparação de técnicas de fusão aplicadas à imagem Quickbird-2

Abstract: Este trabalho teve como objetivo testar quatro técnicas de fusão para melhoria da qualidade espacial da imagem Quickbird-2. As técnicas testadas foram: HSV e Brovey utilizando três bandas espectrais na composição colorido normal (3R2G1B), Gram-Schmidt e Principais Componentes utilizando as quatro bandas disponíveis na imagem. A área de estudo está inserida na Floresta Nacional de Irati, Estado do Paraná com 1600 ha. Analisando a qualidade visual das imagens fusionadas, os melhores resultados, em face de melhor… Show more

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“…The fusion process performed was the Gram-Schmidt fusion, resulting in 0.50 m of spatial resolution. This process was chosen because it provides a better distinction among the different objects in the scene, such as vegetation, houses and bare soil, than the fusion by a principal component analysis (Pesk et al 2011;Polizel et al 2011;Pu and Landry 2012;Meneghetti and Kux 2014).…”
Section: Methodsmentioning
confidence: 99%
“…The fusion process performed was the Gram-Schmidt fusion, resulting in 0.50 m of spatial resolution. This process was chosen because it provides a better distinction among the different objects in the scene, such as vegetation, houses and bare soil, than the fusion by a principal component analysis (Pesk et al 2011;Polizel et al 2011;Pu and Landry 2012;Meneghetti and Kux 2014).…”
Section: Methodsmentioning
confidence: 99%