Gauge equivariant convolutional neural networks
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Examensarbete för masterexamen
Modellbyggare
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Sammanfattning
In this thesis we present a review of the current theory of group and gauge equivariant
convolutional neural networks on homogeneous spaces and general smooth
manifolds, with focus on the latter, formulated from a mathematical viewpoint. We
also provide a new interpretation of layers in neural networks as maps between associated
bundles. Furthermore we discuss the implementation of simple convolutional
neural networks invariant under 90 rotations and reflections, build such networks,
and test them to show the effect of the invariant construction. This testing shows
that the addition of the group invariant structure allows the network to efficiently
classify transformed data while only training on untransformed data.
Beskrivning
Ämne/nyckelord
Convolutional neural networks, machine learning, manifolds, group, gauge, Python, Tensorflow, Keras