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Thiago Nunes Kehl
Universidade do Vale do Rio dos Sinos, Unisinos, Brazil

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Book chapter
Published: 01 January 2015 in An Introduction to Distance Geometry applied to Molecular Geometry
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The Amazon Rainforest, the largest tropical forest in the world, is located in the northern region of South America, spanning several countries, viz., Brazil, Bolivia, Colombia, Ecuador, Guyana, French Guiana, Peru, Suriname and Venezuela. Approximately 60 % of the forest’s area falls under the Brazilian territory.

ACS Style

Thiago Nunes Kehl; Viviane Todt; Maurício Roberto Veronez; Silvio César Cazella. Introduction. An Introduction to Distance Geometry applied to Molecular Geometry 2015, 1 -4.

AMA Style

Thiago Nunes Kehl, Viviane Todt, Maurício Roberto Veronez, Silvio César Cazella. Introduction. An Introduction to Distance Geometry applied to Molecular Geometry. 2015; ():1-4.

Chicago/Turabian Style

Thiago Nunes Kehl; Viviane Todt; Maurício Roberto Veronez; Silvio César Cazella. 2015. "Introduction." An Introduction to Distance Geometry applied to Molecular Geometry , no. : 1-4.

Journal article
Published: 04 October 2012 in Sustainability
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The main purpose of this work was the development of a tool to detect daily deforestation in the Amazon rainforest, using satellite images from the MODIS/TERRA [1] sensor and Artificial Neural Networks. The developed tool provides the parameterization of the configuration for the neural network training to enable us to find the best neural architecture to address the problem. The tool makes use of confusion matrixes to determine the degree of success of the network. Part of the municipality of Porto Velho, in Rondônia state, is located inside the tile H11V09 of the MODIS/TERRA sensor, which was used as the study area. A spectrum-temporal analysis of this area was made on 57 images from 20 of May to 15 of July 2003 using the trained neural network. This analysis allowed us to verify the quality of the implemented neural network classification as well as helping our understanding of the dynamics of deforestation in the Amazon rainforest. The great potential of neural networks for image classification was perceived with this work. However, the generation of consistent alarms, in other words, detecting predatory actions at the beginning; instead of firing false alarms is a complex task that has not yet been solved. Therefore, the major contribution of this paper is to provide a theoretical basis and practical use of neural networks and satellite images to combat illegal deforestation.

ACS Style

Thiago Nunes Kehl; Viviane Todt; Mauricio Roberto Veronez; Silvio César Cazella. Amazon Rainforest Deforestation Daily Detection Tool Using Artificial Neural Networks and Satellite Images. Sustainability 2012, 4, 2566 -2573.

AMA Style

Thiago Nunes Kehl, Viviane Todt, Mauricio Roberto Veronez, Silvio César Cazella. Amazon Rainforest Deforestation Daily Detection Tool Using Artificial Neural Networks and Satellite Images. Sustainability. 2012; 4 (10):2566-2573.

Chicago/Turabian Style

Thiago Nunes Kehl; Viviane Todt; Mauricio Roberto Veronez; Silvio César Cazella. 2012. "Amazon Rainforest Deforestation Daily Detection Tool Using Artificial Neural Networks and Satellite Images." Sustainability 4, no. 10: 2566-2573.

Conference paper
Published: 02 November 2011 in Proceedings of The 1st World Sustainability Forum
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The main purpose of this work was the development of a tool to detect in real time (daily) deforestation in the Amazon rainforest, using satellite images from the MODIS/TERRA sensor and Artificial Neural Networks. The developed tool provides the parameterization of the configuration for the neural network training to enable finding the best neural architecture to address the problem and makes use of confusion matrixes to determine the degree of success of the network. Part of the city of Porto Velho, in Rondônia state, makes up the tile H11V 09 of the MODIS/TERRA sensor, which was used as the study area. A spectrum-temporal analysis of this area was made on 57 images from 20 of May to 15 of July 2003 using the trained neural network. This analysis allowed verifying the quality of the implemented neural network classification as well as helped the understanding of the dynamics of deforestation in the Amazon rainforest. The great potential of neural networks for image classification was perceived with this work. However, the generation of consistent alarms, in other words, detecting predatory actions at the beginning; instead of firing false alarms is a complex task that is not yet solved. Therefore, the major contribution of this paper is to provide a theoretical basis and practical use of neural networks and satellite images to combat illegal deforestation.

ACS Style

Viviane Todt; Silvio Cazella; Mauricio Veronez; Thiago Kehl. Amazonian Forest Deforestation Detection Tool in Real Time Using Artificial Neural Networks and Satellite Images. Proceedings of The 1st World Sustainability Forum 2011, 1 .

AMA Style

Viviane Todt, Silvio Cazella, Mauricio Veronez, Thiago Kehl. Amazonian Forest Deforestation Detection Tool in Real Time Using Artificial Neural Networks and Satellite Images. Proceedings of The 1st World Sustainability Forum. 2011; ():1.

Chicago/Turabian Style

Viviane Todt; Silvio Cazella; Mauricio Veronez; Thiago Kehl. 2011. "Amazonian Forest Deforestation Detection Tool in Real Time Using Artificial Neural Networks and Satellite Images." Proceedings of The 1st World Sustainability Forum , no. : 1.