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This paper discusses the effectiveness of deep auto-encoder neural networks in visual reinforcement learning (RL) tasks. We propose a framework for combining the training of deep auto-encoders (for learning compact feature spaces) with recently-proposed batch-mode RL algorithms (for learning policies). An emphasis is put on the data-efficiency of this combination and on studying the properties of the feature spaces automatically constructed by the deep auto-encoders. These feature spaces are empirically shown to adequately resemble existing similarities and spatial relations between observations and allow to learn useful policies. We propose several methods for improving the topology of the feature spaces making use of task-dependent information. Finally, we present first results on successfully learning good control policies directly on synthesized and real images.
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Lange et al. (Thu,) studied this question.
www.synapsesocial.com/papers/6a10e7675e6663f9d264a0a8 — DOI: https://doi.org/10.1109/ijcnn.2010.5596468
Sascha Lange
Martin Riedmiller
University of Freiburg
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