NAMColloquium Splitting algorithms for training GANs |  |
Vortragende Person:Prof. Dr. Matthew Tam, University of Melbourne
Veranstaltungsort:Institut für Numerische und Angewandte Mathematik, Lotzestraße 16-18MN 55Gras Geo Map
Veranstalter:Institut für Numerische und Angewandte Mathematik
Beschreibung:
Generative adversarial networks (GANs) are an approach to fitting generative models over complex structured spaces. Within this framework, the fitting problem is posed as a zero-sum game between two competing neural networks which are trained simultaneously. Mathematically, this problem takes the form of a saddle-point problem; a well-known example of the type of problem where the usual (stochastic) gradient descent-type approaches used for training neural networks fail. In this talk, we rectify this shortcoming by proposing a new method for training GANs that has: (i) a sounds theoretical foundation, and (ii) does not increase the algorithm's per iteration complexity (as compared to gradient descent). The theoretical analysis is performed within the framework of monotone operator splitting.
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Veranstaltungsart:Kolloquium
Veranstaltungssprache:Englisch
Kategorie:Forschung
Name der einladenden Person:Prof. Dr. Russell Luke
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Direkter Link zur Veranstaltung:https://events.goettingen-campus.de/event?eventId=844797
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