May 2020
Intermediate to advanced
576 pages
26h 55m
French
Content preview from Deep Learning avec Keras et TensorFlow
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374
Chapitre 10. Apprentissage par renforcement
recommandation, le placement de publicités dans les pages web ou encore le contrôle
de la zone d’une image sur laquelle un système de classication d’images doit focaliser
son attention.
10.2 RECHERCHE DE POLITIQUE
L’algorithme que l’agent logiciel utilise pour déterminer ses actions est appelé sa
politique (policy). La politique peut être un réseau de neurones qui prend en entrée
des observations et produit en sortie l’action à réaliser (voir la gure10.2).
Agent
Politique
Actions
Récompenses +
observations
Environnement
Figure 10.2 – Apprentissage par renforcement qui utilise un réseau de neurones ...
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