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PDE-Driven Spatiotemporal Disentanglement

Jérémie DONA · Jean-Yves Franceschi · sylvain lamprier · patrick gallinari


Keywords: [ separation of variables ] [ spatiotemporal prediction ] [ dynamical systems ] [ representation learning ] [ disentanglement ]


A recent line of work in the machine learning community addresses the problem of predicting high-dimensional spatiotemporal phenomena by leveraging specific tools from the differential equations theory. Following this direction, we propose in this article a novel and general paradigm for this task based on a resolution method for partial differential equations: the separation of variables. This inspiration allows us to introduce a dynamical interpretation of spatiotemporal disentanglement. It induces a principled model based on learning disentangled spatial and temporal representations of a phenomenon to accurately predict future observations. We experimentally demonstrate the performance and broad applicability of our method against prior state-of-the-art models on physical and synthetic video datasets.

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