@Article{PolidoriElHaVale:2014:ApToDe,
author = "Polidori, Laurent and El Hage, Mhamad and Valeriano, M{\'a}rcio
de Morisson",
affiliation = "CNAM / L2G, Le Mans, France and CNRS, Beirut, Lebanon and
{Instituto Nacional de Pesquisas Espaciais (INPE)}",
title = "Digital elevation model validation with no ground control:
Application to the topodata dem in Brazil / Valida{\c{c}}{\~a}o
de modelos digitais de eleva{\c{c}}{\~a}o sem dados de
refer{\^e}ncia: Aplica{\c{c}}{\~a}o ao mdt topodata no Brasil",
journal = "Boletim de Ci{\^e}ncias Geod{\'e}sicas",
year = "2014",
volume = "20",
number = "2",
pages = "467--479",
month = "abr.-jun.",
keywords = "modelos digitais de eleva{\c{c}}{\~a}o, topodata, SRTM DEM, data
quality, digital elevation model, geostatistics, shuttle radar
topography mission, Brazil.",
abstract = "valida{\c{c}}{\~a}o de modelos digitais de eleva{\c{c}}{\~a}o
(MDE) consiste geralmente na compara{\c{c}}{\~a}o dos dados com
um conjunto de pontos de controle. Por{\'e}m, a qualidade de um
MDE tamb{\'e}m pode ser considerada em termos de realismo das
formas. Al{\'e}m da an{\'a}lise visual, pode ser verificado que
propriedades f{\'{\i}}sicas e estat{\'{\i}}ticas do relevo
terrestre s{\~a}o cumpridas. Essa abordagem {\'e} aplicada a um
extrato do Topodata, um MDE obtido pela reamostragem do MDE SRTM
sobre o territ{\'o}rio brasileiro com uma abordagem
geostat{\'{\i}}stica. V{\'a}rios indicadores
estat{\'{\i}}sticos s{\~a}o calculados. Mostram que a qualidade
de Topodata em termos de descri{\c{c}}{\~a}o das formas {\'e}
melhorada com rela{\c{c}}{\~a}o ao SRTM. ABSTRACT: Digital
Elevation Model (DEM) validation is often carried out by comparing
the data with a set of ground control points. However, the quality
of a DEM can also be considered in terms of shape realism. Beyond
visual analysis, it can be verified that physical and statistical
properties of the terrestrial relief are fulfilled. This approach
is applied to an extract of Topodata, a DEM obtained by resampling
the SRTM DEM over the Brazilian territory with a geostatistical
approach. Several statistical indicators are computed, and they
show that the quality of Topodata in terms of shape rendering is
improved with regards to SRTM.",
doi = "10.1590/S1982-21702014000200027",
url = "http://dx.doi.org/10.1590/S1982-21702014000200027",
issn = "1413-4853",
label = "scopus 2014-07 PolidoriElHaVale:2014:ApToDe",
language = "en",
targetfile = "36754-135447-1-PB.pdf",
url = "http://dx.doi.org/10.1590/S1982-21702014000200027",
urlaccessdate = "28 mar. 2024"
}