2020
DOI: 10.5007/2177-5230.2020v35n76p171
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Classificação de imagens de satélite e índices espectrais de vegetação: uma análise comparativa

Abstract: Estudos relativos à dinâmica territorial sempre ocuparam papéis de destaque no âmbito da Geografia. As alterações espaciais experimentadas em determinadas regiões estão diretamente ligadas aos cenários físicos, políticos, econômicos, culturais e ambientais desses espaços em um dado momento. Diversas ferramentas têm sido utilizadas para analisar o cenário de um determinado ambiente.  O presente estudo procurou comparar, a partir de imagens de satélite, a existência de correlação entre diferentes índices de vege… Show more

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“…The images were analyzed and classified using QGIS software (version 3.28.2), with the assistance of the Dzetsaka plugin (version 3.70) [29]. The classification conducted by the Dzetsaka plugin is object-oriented with applications spanning various areas such as deforestation progress, illegal road opening, and the conversion of pasture areas, among others [30,31]. Three classification algorithms were tested: Gaussian Mixture Model, Knearest Neighbors, and Random Forest.…”
Section: Machine Learning Algorithmsmentioning
confidence: 99%
“…The images were analyzed and classified using QGIS software (version 3.28.2), with the assistance of the Dzetsaka plugin (version 3.70) [29]. The classification conducted by the Dzetsaka plugin is object-oriented with applications spanning various areas such as deforestation progress, illegal road opening, and the conversion of pasture areas, among others [30,31]. Three classification algorithms were tested: Gaussian Mixture Model, Knearest Neighbors, and Random Forest.…”
Section: Machine Learning Algorithmsmentioning
confidence: 99%