Paper notes

World Models

David Ha, Jürgen Schmidhuber

First arXiv submission: · arXiv

Combines learned visual compression and recurrent dynamics with a controller, including training an agent inside a generated environment.

Contribution and setting

Demonstrates how a compact learned environment representation can support policy learning and transfer from a simulated dream to the original task.

Model output
Predicted latent observations, with an image decoder and task-dependent termination predictions.
Action interface
Actions from the controller in the studied reinforcement-learning environments.
State and memory
A recurrent model summarizes the history of latent observations and actions.

Relationship to NeuralOS

Cited by NeuralOS as background for learned simulation and agent training.

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Scope and limitations

The model compresses observations into a latent representation for control.

Related terms: world model, recurrent dynamics, latent imagination, model-based reinforcement learning.

Cite this paper

ArXiv preprint

arXiv:1803.10122, initial submission 2018-03-27.

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