2017
DOI: 10.20502/rbg.v18i4.1249
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Classificação Semiautomática De Cicatrizes De Movimentos De Massa Por Meio De Técnicas De Detecção De Mudanças

Abstract: Movimentos de massa são fenômenos naturais que muitas vezes causam perdas e danos à sociedade. Inventários de cicatrizes podem auxiliar no entendimento da suscetibilidade de um local frente a esses processos. Nessa vertente, o uso de ferramentas de sensoriamento remoto para detecção e mapeamento de cicatrizes de movimentos de massa pode ser vantajoso, principalmente em escalas regionais e em áreas de difícil acesso. No entanto, mapeamentos semiautomáticos ainda se mostram incipientes no âmbito nacional. Nesse … Show more

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“…The feature extraction process, shown in Fig. 3, is based on landslide detection literature, as presented by Gerente et al 48,49 The NDVI, developed by Rouse et al, 50 was used because it presents a drastic reduction in its values when the landslide occurs. In addition to that, once it is a composition of bands, it allows the use of the red and near-infrared (NIR) bands in one single feature.…”
Section: Feature Extractionmentioning
confidence: 99%
“…The feature extraction process, shown in Fig. 3, is based on landslide detection literature, as presented by Gerente et al 48,49 The NDVI, developed by Rouse et al, 50 was used because it presents a drastic reduction in its values when the landslide occurs. In addition to that, once it is a composition of bands, it allows the use of the red and near-infrared (NIR) bands in one single feature.…”
Section: Feature Extractionmentioning
confidence: 99%