Optimisation multi-objectif pour la sélection de modèles SVM
Identifieur interne : 000A04 ( France/Analysis ); précédent : 000A03; suivant : 000A05Optimisation multi-objectif pour la sélection de modèles SVM
Auteurs : Clément Chatelain [France] ; Yannick Oufella [France] ; Sébastien Adam [France] ; Yves Lecourtier [France] ; Laurent Heutte [France]Source :
Abstract
Dans cet article, nous proposons une méthode d'optimisation multi-objectif pour la sélection de modèle SVM, en utilisant l'algorithme NSGA-II. Le faux rejet et la fausse acceptation sont les deux critères employés pour trouver les hyperparameters optimaux d'un ensemble de classifieurs SVM. La stratégie proposée est appliquée à une tâche de discrimination chiffre/rejet embarquée dans un système plus global d'extraction d'information dans des documents manuscrits. Nos expérimentations sur une base réelle de chiffres/rejet montrent que notre méthode fournit de meilleurs résultats que les techniques d'optimisation mono-objectif plus classiques telle que l'apprentissage basé sour un critère d'aire sous la courbe ROC. Ces résultats sont dans un second temps validés sur des bases de l'UCI.
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<front><div type="abstract" xml:lang="fr">Dans cet article, nous proposons une méthode d'optimisation multi-objectif pour la sélection de modèle SVM, en utilisant l'algorithme NSGA-II. Le faux rejet et la fausse acceptation sont les deux critères employés pour trouver les hyperparameters optimaux d'un ensemble de classifieurs SVM. La stratégie proposée est appliquée à une tâche de discrimination chiffre/rejet embarquée dans un système plus global d'extraction d'information dans des documents manuscrits. Nos expérimentations sur une base réelle de chiffres/rejet montrent que notre méthode fournit de meilleurs résultats que les techniques d'optimisation mono-objectif plus classiques telle que l'apprentissage basé sour un critère d'aire sous la courbe ROC. Ces résultats sont dans un second temps validés sur des bases de l'UCI.</div>
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