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For more than 10 years the GEOSATEL laboratory has focused its research on a statistical approach of the images processing to serve the environment. A new algorithm of classification has been achieved on the basis of non parametric models using the local spectral densities of the data to classify. This algorithm has been applied on remote sensing images provided by the satellites LANDSAT and SPOT. The information contained inside the collected images was used to obtain a thematic classification of the land cover. The classification's algorithms evolved from supervised techniques (discriminant analysis) to completely unsupervised techniques (cluster analysis), using mainly …
