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EMI: Exploration with Mutual Information
Latest   Machine Learning

EMI: Exploration with Mutual Information

Last Updated on July 20, 2023 by Editorial Team

Author(s): Sherwin Chen

Originally published on Towards AI.

A novel exploration method based on representation learning

Source: Photo by Andrew Neel on Unsplash

Reinforcement learning could be hard when the reward signal is sparse. In these scenarios, exploration strategy becomes essentially important: a good exploration strategy not only helps the agent to gain a faster and better understanding of the world but also makes it robust to the change of the environment. In this article, we discuss a novel exploration method, namely Exploration with Mutual Information(EMI) proposed by Kim et al. in ICML 2019. In a nutshell, EMI learns representations for both observations(states) and actions in the expectation that we can have a linear dynamics model on… Read the full blog for free on Medium.

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