强化学习中的光流 运动感知

Motion Perception in Reinforcement Learning with Dynamic Objects

Artemij Amiranashvili1 Alexey Dosovitskiy2 Vladlen Koltun2 Thomas Brox1

1University of Freiburg 2Intel Labs

Abstract

In dynamic environments, learned controllers are supposed to take motion into account when selecting the action to be taken. However, in existing reinforcement learning works motion is rarely treated explicitly; it is rather assumed that the controller learns the necessary motion representation from temporal stacks of frames implicitly. In this paper, we show that for continuous control tasks learning an explicit representation of motion clearly improves the quality of the learned controller in dynamic scenarios. We demonstrate this on common benchmark tasks (Walker, Swimmer, Hopper), on target reaching and ball catching tasks with simulated robotic arms, and on a dynamic single ball juggling task. Moreover, we find that when equipped with an appropriate network architecture, the agent can, on some tasks, learn motion features also with pure reinforcement learning, without additional supervision.

https://lmb.informatik.uni-freiburg.de/projects/flowrl/

https://github.com/lmb-freiburg/flow_rl

原文发布于微信公众号 - CreateAMind(createamind)

原文发表时间:2019-05-05

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