2015
DOI: 10.1590/01047760201521011535
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Identificação De Árvores Individuais a Partir De Levantamentos Laser Aerotransportado Por Meio De Janela Inversa

Abstract: IDENTIFICAÇÃO DE ÁRVORES INDIVIDUAIS A pARTIR DE lEVANTAmENTOS lASER AEROTRANSpORTADO pOR mEIO DE JANElA INVERSARESUmO: O ponto crucial do filtro de máximos locais é a definição do tamanho da janela. Este trabalho propõe que a janela de busca seja determinada por uma relação inversa à altura do modelo digital de alturas e testa a hipótese de que uma janela de busca, inversamente proporcional, terá melhor desempenho do que a janela de busca proporcional. A área de estudo está localizada na região sudeste do Est… Show more

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“…An increasing number of studies have confirmed the use of ALS to estimate, model and characterize structural and ecological variables of forest cover, such as: tree identification and quantification of tree density (Yu et al, 2011;Gorgens et al, 2015;Ferraz et al, 2016;Silva et al, 2016), crown shape (Barnes et al, 2017;Figueiredo, 2014), LAI and vertical profile of vegetation (Stark et al, 2012;Detto et al, 2015;Almeida et al, 2016), carbon and biomass (D'Oliveira et al, 2012;Mascaro et al, 2011;Naesset and Gobakken, 2008;Silva et al, 2015Silva et al, , 2018, diameter distributions of the tree population (Maltamo et al, 2018), and demographic characterization of tree populations (Stark et al, 2015). ALS has also been successfully employed to stratify forest areas into structural types with shared characteristics (Jaskierniak et al, 2011;Valbuena et al, 2013Valbuena et al, , 2016Valbuena et al, , 2017Niemi and Vauhkonen, 2016;Fedrigo et al, 2018), with some classifications validated across landscapes (Hansen et al, 2014;Moran et al, 2018;Adnan et al, 2019).…”
Section: Introductionmentioning
confidence: 99%
“…An increasing number of studies have confirmed the use of ALS to estimate, model and characterize structural and ecological variables of forest cover, such as: tree identification and quantification of tree density (Yu et al, 2011;Gorgens et al, 2015;Ferraz et al, 2016;Silva et al, 2016), crown shape (Barnes et al, 2017;Figueiredo, 2014), LAI and vertical profile of vegetation (Stark et al, 2012;Detto et al, 2015;Almeida et al, 2016), carbon and biomass (D'Oliveira et al, 2012;Mascaro et al, 2011;Naesset and Gobakken, 2008;Silva et al, 2015Silva et al, , 2018, diameter distributions of the tree population (Maltamo et al, 2018), and demographic characterization of tree populations (Stark et al, 2015). ALS has also been successfully employed to stratify forest areas into structural types with shared characteristics (Jaskierniak et al, 2011;Valbuena et al, 2013Valbuena et al, , 2016Valbuena et al, , 2017Niemi and Vauhkonen, 2016;Fedrigo et al, 2018), with some classifications validated across landscapes (Hansen et al, 2014;Moran et al, 2018;Adnan et al, 2019).…”
Section: Introductionmentioning
confidence: 99%