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Deep Learning avec Keras et TensorFlow
book

Deep Learning avec Keras et TensorFlow

by Aurélien Géron
May 2020
Intermediate to advanced
576 pages
26h 55m
French
Dunod
Content preview from Deep Learning avec Keras et TensorFlow
220
Chapitre 6. Vision par ordinateur et réseaux de neurones convolutifs
Puisque tous les neurones d’une carte de caractéristiques partagent les
mêmes paramètres, le nombre de paramètres du modèle s’en trouve consi-
dérablement réduit. Dès que le CNN a appris à reconnaître un motif en un
endroit, il peut le reconnaître partout ailleurs. À l’opposé, lorsqu’un RNP
classique a appris à reconnaître un motif en un endroit, il ne peut le recon
-
naître qu’en cet endroit précis.
Les images d’entrée sont également constituées de multiples sous-couches, une par
canal de couleur. Classiquement, il en existe trois : rouge, vert et bleu (RVB, ou RGB
de l’anglais ...
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Publisher Resources

ISBN: 9782100805020