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Tecnologia e Ambiente
Article . 2015 . Peer-reviewed
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Tecnologia e Ambiente
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REGISTRO DE IMAGEM DIGITAL EFETUADO POR MEIO DE MODELOS POLINOMIAIS

Authors: Nilzo Ivo Ladwig; Leonard Niero de Silveira; Diego Medeiros;

REGISTRO DE IMAGEM DIGITAL EFETUADO POR MEIO DE MODELOS POLINOMIAIS

Abstract

O registro de uma imagem digital (genericamente denominada de georreferenciamento pelos profissionais da área da geomensura) é a transformação geométrica na qual se relaciona as coordenadas da imagem com as coordenadas geodésicas ou geográficas, sendo estas esferoidais ou planas (projeção cartográfica). O artigo tem como objetivo o registro de imagem digital utilizando modelos polinomiais de 1ª, 2ª e 3ª ordens. Foram definidos 36 pontos rastreados com receptores GNSS marca Geomax, modelo Zenith25 e processados com os softwares Geomax geo Office e Topcon Tools. O software utilizado para o registro da imagem foi o Quantum GIS (QGIS) versão 2.4. Os resultados demonstraram que os modelos polinomiais apresentam suas restrições para o modelamento dos pontos, o de 1ª ordem foi que apresentou os melhores resultados entre as três ordens utilizadas na quantidade de pontos com pixels residuais inferior a 1 (um) não conseguindo ajustar todos. Conclui-se que o produto cartográfico em formato raster registrado pode ser trabalhado em uma escala maior que 1:10000 em se tratando de planimetria conforme consta no DECRETO Nº 89.817 DE 20 DE JUNHO DE 1984 que estabelece as Instruções Reguladoras das Normas Técnicas da Cartografia Nacional.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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