@Article{MoreiraRudBarFarAda:2010:GeMaCo,
author = "Moreira, Mauricio Alves and Rudorff, Bernardo Friedrich Theodor
and Barros, Marco A. and Faria, Viviane G. C. de and Adami,
Marcos",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {} and {} and
{Instituto Nacional de Pesquisas Espaciais (INPE)}",
title = "Geotecnologies to map coffee fields in the states of minas gerais
and S{\~a}o Paulo / Geotecnologias para mapear lavouras de
caf{\'e} nos estados de Minas Gerais e S{\~a}o Paulo",
journal = "Engenharia Agr{\'{\i}}cola",
year = "2010",
volume = "30",
number = "6",
pages = "1123--1135",
month = "Dec.",
keywords = "sensoriamento remoto, imagens de sat{\'e}lite, geoprocessamento,
estat{\'{\i}}sticas agr{\'{\i}}colas, statistics,
Geoprocessing, Remote sensing, Satellite images.",
abstract = "The operational use of remote sensing images to map coffee fields
in large areas, in order to obtain reliable and timely
agricultural statistics, is still under development. Several
factors raise difficulties to correctly identify and map the
coffee crop. However, technological advances observed in the last
years, in terms of image acquisition with improved quality and
greater quantity, as well as the development of new tools for
image analysis, is favoring the development of an operational
method that may contribute to establish the official coffee crop
statistics in Brazil. Therefore, the present work has the
objective to describe the method and to present the result of the
coffee fields mapped in the states of Minas Gerais and S{\~a}o
Paulo using remote sensing images and geoprocessing techniques.
The methodological approach consisted of four steps: a) image
restoration and georeferencing; b) non-supervised classification;
c) visual interpretation on the computer screen to suppress
omission and commission errors; and d) coffee crop area
estimation. The results indicated that the applied method was
appropriate to map the coffee crop in the states of Minas Gerais
and S{\~a}o Paulo.",
doi = "10.1590/S0100-69162010000600013",
url = "http://dx.doi.org/10.1590/S0100-69162010000600013",
issn = "0100-6916",
language = "en",
targetfile = "a13v30n6mo.pdf",
urlaccessdate = "02 maio 2024"
}