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- W1603532463 endingPage "1447" @default.
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- W1603532463 abstract "The original Kohonen’s Self-Organizing Map model has been extended by several authors to incorporate an underlying probability distribution. These proposals assume mixtures of Gaussian probability densities. Here we present a new self-organizing model which is based on a mixture of multivariate Student-t components. This improves the robustness of the map against outliers, while it includes the Gaussians as a limit case. It is based on the stochastic approximation framework. The ‘degrees of freedom’ parameter for each mixture component is estimated within the learning procedure. Hence it does not need to be tuned manually. Experimental results are presented to show the behavior of our proposal in presence of outliers, and its performance in adaptive filtering and classification problems." @default.
- W1603532463 created "2016-06-24" @default.
- W1603532463 creator A5091243468 @default.
- W1603532463 date "2009-12-01" @default.
- W1603532463 modified "2023-10-03" @default.
- W1603532463 title "Multivariate Student-<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML altimg=si16.gif display=inline overflow=scroll><mml:mi>t</mml:mi></mml:math> self-organizing maps" @default.
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- W1603532463 doi "https://doi.org/10.1016/j.neunet.2009.05.001" @default.
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