Friday, 14th of December

14h30 (room R2014, 660 building) (see location)

Edouard Oyallon


Title: The shallow learning quest


Successful deep neural networks are systematically trained via the end-to-end back-propagation algorithm. We challenge this optimization procedure. We show it is possible to train layers sequentially, by using ad-hoc auxiliary classifiers. For instance, one can obtain AlexNet performances on Imagenet by training successively a sequence of 1-hidden layer CNNs. Using deeper auxiliary classifier, we exhibit VGG performances. We propose an empirical analysis through the scope of progressive linear separation. Applications are discussed.

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