Learning sparse and meaningful representations through embodiment

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Learning sparse and meaningful representations through embodiment. / Clay, Viviane; König, Peter; Kühnberger, Kai-Uwe; Pipa, Gordon.

in: NEURAL NETWORKS, Jahrgang 134, 02.2021, S. 23-41.

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@article{60204554f3a8421ca424241914fc14f1,
title = "Learning sparse and meaningful representations through embodiment",
abstract = "How do humans acquire a meaningful understanding of the world with little to no supervision or semantic labels provided by the environment? Here we investigate embodiment with a closed loop between action and perception as one key component in this process. We take a close look at the representations learned by a deep reinforcement learning agent that is trained with high-dimensional visual observations collected in a 3D environment with very sparse rewards. We show that this agent learns stable representations of meaningful concepts such as doors without receiving any semantic labels. Our results show that the agent learns to represent the action relevant information, extracted from a simulated camera stream, in a wide variety of sparse activation patterns. The quality of the representations learned shows the strength of embodied learning and its advantages over fully supervised approaches.",
author = "Viviane Clay and Peter K{\"o}nig and Kai-Uwe K{\"u}hnberger and Gordon Pipa",
note = "Copyright {\textcopyright} 2020 The Authors. Published by Elsevier Ltd.. All rights reserved.",
year = "2021",
month = feb,
doi = "10.1016/j.neunet.2020.11.004",
language = "English",
volume = "134",
pages = "23--41",
journal = "NEURAL NETWORKS",
issn = "0893-6080",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Learning sparse and meaningful representations through embodiment

AU - Clay, Viviane

AU - König, Peter

AU - Kühnberger, Kai-Uwe

AU - Pipa, Gordon

N1 - Copyright © 2020 The Authors. Published by Elsevier Ltd.. All rights reserved.

PY - 2021/2

Y1 - 2021/2

N2 - How do humans acquire a meaningful understanding of the world with little to no supervision or semantic labels provided by the environment? Here we investigate embodiment with a closed loop between action and perception as one key component in this process. We take a close look at the representations learned by a deep reinforcement learning agent that is trained with high-dimensional visual observations collected in a 3D environment with very sparse rewards. We show that this agent learns stable representations of meaningful concepts such as doors without receiving any semantic labels. Our results show that the agent learns to represent the action relevant information, extracted from a simulated camera stream, in a wide variety of sparse activation patterns. The quality of the representations learned shows the strength of embodied learning and its advantages over fully supervised approaches.

AB - How do humans acquire a meaningful understanding of the world with little to no supervision or semantic labels provided by the environment? Here we investigate embodiment with a closed loop between action and perception as one key component in this process. We take a close look at the representations learned by a deep reinforcement learning agent that is trained with high-dimensional visual observations collected in a 3D environment with very sparse rewards. We show that this agent learns stable representations of meaningful concepts such as doors without receiving any semantic labels. Our results show that the agent learns to represent the action relevant information, extracted from a simulated camera stream, in a wide variety of sparse activation patterns. The quality of the representations learned shows the strength of embodied learning and its advantages over fully supervised approaches.

U2 - 10.1016/j.neunet.2020.11.004

DO - 10.1016/j.neunet.2020.11.004

M3 - SCORING: Journal article

C2 - 33279863

VL - 134

SP - 23

EP - 41

JO - NEURAL NETWORKS

JF - NEURAL NETWORKS

SN - 0893-6080

ER -