@InProceedings{AngeloFerr:2017:DeMuIm,
author = "Angelo, Neide Pizzolato and Ferreira, Rute Henrique da Silva",
title = "Detec{\c{c}}{\~a}o de mudan{\c{c}}as em imagens multitemporais
de sensoriamento remoto empregando SVM e pertin{\^e}ncia de
pixels",
booktitle = "Anais...",
year = "2017",
editor = "Gherardi, Douglas Francisco Marcolino and Arag{\~a}o, Luiz
Eduardo Oliveira e Cruz de",
pages = "352--359",
organization = "Simp{\'o}sio Brasileiro de Sensoriamento Remoto, 18. (SBSR)",
publisher = "Instituto Nacional de Pesquisas Espaciais (INPE)",
address = "S{\~a}o Jos{\'e} dos Campos",
abstract = "This paper investigates an approach to the problem of change
detection in multitemporal remote sensing images using Support
Vector Machines (SVM) based on RBF kernel (Radial Basis Function)
combined with a new relevance metric called Delta b (\b).
The methodology is based on the difference of the fraction images
produced for each date. In images of natural scenes the difference
in soil and vegetation fractions tends to have a symmetrical
distribution around the mean of its pixels. This fact can be used
to model two normal multivariate distributions: change and
non-change. The Expectation-Maximization (EM) algorithm is
implemented for estimating the parameters (mean vector, covariance
matrix, and prior probability) associated with these two
distributions. Random samples are extracted from these two
distributions and used to train a SVM classifier based on RBF
kernel. The proposed methodology is tested using multi-temporal
data sets of multispectral images Landsat-TM covering the same
scene, located in Roraima state, in two different dates. Test
samples are obtained by the use of Change Vector Analysis (CVA)
and used to validate the estimation method of pertinence. It is
expected that this methodology could be applied to detection of
change for multispectral and hyperspectral multitemporal images
used in remote sensing.",
conference-location = "Santos",
conference-year = "28-31 maio 2017",
isbn = "978-85-17-00088-1",
label = "59609",
language = "pt",
organisation = "Instituto Nacional de Pesquisas Espaciais (INPE)",
ibi = "8JMKD3MGP6W34M/3PS43RE",
url = "http://urlib.net/ibi/8JMKD3MGP6W34M/3PS43RE",
targetfile = "59609.pdf",
type = "Processamento de imagens",
urlaccessdate = "27 abr. 2024"
}