Alison André Domingues Teixeira scite author profile

Alison André Domingues Teixeira

3Publications

1Citation Statement Received

14Citation Statements Given

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Affiliations

Federal University of Rio Grande do Sul

Publications

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Evaluation of the Radiometric Accuracy of Images Obtained by a Sequoia Multispectral Camera

et al. 2020

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Geometric and radiometric corrections of images obtained by remotely piloted aircraft systems (RPAS) are required for the measurement of the spectral reflectance and calculation of vegetation indices. This study aimed to determine which radiometric calibration procedures allow obtaining suborbital images with more accurate reflectance data and spectral indices based on data collected by a Sequoia multispectral camera coupled to a RPAS on black oat cultivations at the flowering stage located in Eldorado do Sul, RS, Brazil. The orthophoto mosaics were processed without and with radiometric corrections by reflectance calibration ground target and/or solar irradiance sensor of the camera, and the radiometric accuracy of these images was evaluated using spectral reflectance ground data collected by the Crop Circle canopy sensor. The results indicated that the use of a reflectance calibration ground target is recommended to increase the radiometric accuracy of photographs even if the Sequoia solar irradiance sensor is employed. The use of the light gray target in the radiometric calibration resulted in orthophotos with the mean square error of reflectance values lower than 0.01 for all the analyzed bands and spectral indices.

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Mapeamento Do Uso Da Terra E Seus Conflitos Em Áreas De Preservação Permanente No Município De Arroio Do Padre, Rs

Teixeira¹,

Porto²,

Cirolini³

et al. 2019

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Análise Temporal Da Produção Agropecuária Do Município De Arroio Do Padre/ Rs, Entre Os Anos De 2001 E 2016

Teixeira¹,

Porto²,

Bruch³

et al. 2019

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P1. A utilização do jogo Baralho das Ligações Químicas. P2. O uso da metodologia ativa POGIL. P3. Aprendizado adquirido. P4. Aula de forma geral." ** Bimodal: 4,0 e 5,0. * "P1. A utilização do jogo Baralho das Ligações Químicas. P2. O uso da metodologia ativa POGIL. P3. Aprendizado adquirido. P4. Aula de forma geral." ** Bimodal: 3,0 e 4,0. * "P1. A utilização do jogo Baralho das Ligações Químicas. P2. O uso da metodologia ativa POGIL. P3. Aprendizado adquirido. P4. Aula de forma geral."

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