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  2. Learning from and visualization of environmental, socio-economic and geodemographic data

Learning from and visualization of environmental, socio-economic and geodemographic data

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The presentation gives an overview of recent studies carried out by the geomatics group of FGSE in the domain of environmental, natural hazards and socio-economic data analysis, modelling and visualization using machine learning algorithms (MLA). The main MLA recently used – artificial neural networks of different architectures (adaptive general regression neural networks, extreme learning machines, self-organizing maps) and a variety of kernel-based methods, have demonstrated their efficiency in studying multivariate and high-dimensional environmental phenomena. We present generic methodology and some of the results of real data case studies: environmental pollution, renewable resources assessment, natural hazards analysis (landslides, avalanches). Two particular topics of the current research will be discussed: 1) feature selection using extreme learning machines and simulated annealing; and 2) intrinsic dimension estimation and feature selection using the multipoint Morisita index.

Orateur

Prof. Mikhail Kaneski

Lieu

Salle de réunion B502

Date - horaires

mar 24/06/2014 - 13:30

Type d'évenement

Séminaire

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