Markovian approach using several Gibbs energy for remote sensing images segmentation |
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Authors: | Sadia Alkama Youssef Chahir Daoud Berkani |
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Affiliation: | (1) Department of Automatics, University M. MAMMERI, 15000 Tizi-Ouzou, Algeria;(2) GREYC, UMR CNRS 607, University of Caen, Campus II, BP 5186, 14032 Caen Cedex, France;(3) Department of Electronics, Polytechnic National School, 16200 El Harrach, Algeria |
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Abstract: | The high resolution multispectral imagery needs to be segmented into regions that can be easily interpreted and which correspond
roughly to the “ground truth”. In this paper, we segment multispectral images MSG2, provided by meteorological satellite “Meteosat
Second Generation 2”, by using an approach based on support vector Markov model witch takes into account both the spectral
and the spatial information. A multi-variable Gaussian distribution is used in image processing and the Gibbs energy is used
to describe the process of labeling. There are several forms of Gibbs energy. We test the best known of them and evaluate
the different results using the Borsotti function which is known to be more appropriate with our visual perception. |
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