G - Physics – 06 – N
Patent
G - Physics
06
N
G06N 3/08 (2006.01) G06F 15/18 (2006.01)
Patent
CA 2709180
The invention relates to an updating method that comprises selecting the best winning neurone and the second best winning neurone, modifying the prototype vectors of the best winning neurone and of the neurones located around the best winning neurone in the direction of the vector of the training point (x(k)), determining the neighbouring neurones (N(u*)) of the best winning neurone(u*), and, if the second best winning neurone (u**) is part of the neighbouring neurones (N(u*)), increasing the valuation of the connection between the first and second best winning neurones. The updating method further comprises reducing the valuation of each connection between the first best winning neurone and the directly neighbouring neurones (N(u*)) different from the second best winning neurone (u**).
Le procédé de mise à jour comprend la sélection du meilleur neurone gagnant et du second meilleur neurone gagnant, la modification des vecteurs prototypes du meilleur neurone gagnant et des neurones situés autour du meilleur neurone gagnant, en direction du vecteur du point d'apprentissage (x(k)), la détermination des neurones voisins (N(u*)) du meilleur neurone gagnant (u*), et, si le second meilleur neurone gagnant (u**) fait partie des neurones voisins (N(u*)), l'augmentation de la valuation de la connexion entre les premier et second meilleurs neurones gagnants. Le procédé de mise à jour comprend en outre la diminution de la valuation de chaque connexion entre le premier meilleur neurone gagnant et les neurones voisins directs (N(u*)) autres que le second meilleur neurone gagnant (u**).
Goudreau Gage Dubuc
Universite Paris 13
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