Mr. Pedro Henrique Freire Janzantti Profile

Pedro Henrique Freire Janzantti

at Univ de Sao Paulo

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Proceedings Article | 9 October 2018 Paper

Brazilian frontier governance: survey of infrastructure based on remote sensing techniques

Silmara Cosme Cravo, Pedro Henrique Freire Janzantti, Airton Nabarrete

Proceedings Volume 10790, 1079012 (2018) https://doi.org/10.1117/12.2323387

KEYWORDS: Remote sensing, Vegetation, Satellites, Defense and security, Planets, Agriculture, Satellite imaging, Earth observing sensors, Reflectivity

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This paper discusses the detection of borders vulnerability through remote sensing. Remote sensors enable government to collect rapidly synoptically data from areas where the access is restricted. Accordingly, we propose a preliminary survey of Brazil’s borders and its structures by using remote sensing techniques. The extent of the area is a difficulty, as Brazilian borders measures more than 15,000 kilometers in total and marks the limit to 10 countries. The methodology used can be summarized in the following steps: (i) choosing twelve sample-areas along Brazil’s frontier vis-à-vis each neighboring country, focusing on the existent infrastructure; (ii) defining classes of land-use and land-cover based on the elements of visual image interpretation; (iii) creating an image interpretation key; (iv) measuring spectral signature from different targets. Results allow creating a hierarchical model of bodies related to the visual image interpretation element and spectral curves. This model has been divided between natural and anthropogenic features, it is compared the infrastructure, land-cover and land-use from distinct parts along the Brazilian land border. It is concluded there are serious problems of frontier governance due to Brazil’s border is very heterogeneous.

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