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Authors: Ming Gao ; Ralf Kohlhaas and J. Marius Zöllner

Affiliation: FZI Research Center for Information Technology, Germany

Keyword(s): Shared Autonomy, Assisted Teleoperation, Mobile Robot, Unsupervised Learning from Demonstration.

Related Ontology Subjects/Areas/Topics: Agents ; Artificial Intelligence ; Cognitive Robotics ; Human-Robots Interfaces ; Informatics in Control, Automation and Robotics ; Mobile Robots and Autonomous Systems ; Robotics and Automation

Abstract: We focus on the problem of learning and recognizing contextual tasks from human demonstrations, aiming to efficiently assist mobile robot teleoperation through sharing autonomy. We present in this study a novel unsupervised contextual task learning and recognition approach, consisting of two phases. Firstly, we use Dirichlet Process Gaussian Mixture Model (DPGMM) to cluster the human motion patterns of task executions from unannotated demonstrations, where the number of possible motion components is inferred from the data itself instead of being manually specified a priori or determined through model selection. Post clustering, we employ Sparse Online Gaussian Process (SOGP) to classify the query point with the learned motion patterns, due to its superior introspective capability and scalability to large datasets. The effectiveness of the proposed approach is confirmed with the extensive evaluations on real data.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Gao, M.; Kohlhaas, R. and Zöllner, J. (2016). Unsupervised Contextual Task Learning and Recognition for Sharing Autonomy to Assist Mobile Robot Teleoperation. In Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO; ISBN 978-989-758-198-4; ISSN 2184-2809, SciTePress, pages 238-245. DOI: 10.5220/0005972002380245

@conference{icinco16,
author={Ming Gao. and Ralf Kohlhaas. and J. Marius Zöllner.},
title={Unsupervised Contextual Task Learning and Recognition for Sharing Autonomy to Assist Mobile Robot Teleoperation},
booktitle={Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO},
year={2016},
pages={238-245},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005972002380245},
isbn={978-989-758-198-4},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO
TI - Unsupervised Contextual Task Learning and Recognition for Sharing Autonomy to Assist Mobile Robot Teleoperation
SN - 978-989-758-198-4
IS - 2184-2809
AU - Gao, M.
AU - Kohlhaas, R.
AU - Zöllner, J.
PY - 2016
SP - 238
EP - 245
DO - 10.5220/0005972002380245
PB - SciTePress