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  4. Learning Symbolic Representations of Actions from Human Demonstrations
 
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Learning Symbolic Representations of Actions from Human Demonstrations
File(s)
Ahmadzadeh_ICRA-2015.pdf (1.69 MB)
Accepted version
Author(s)
Ahmadzadeh, Seyed Reza
Paikan, Ali
Mastrogiovanni, Fulvio
Natale, Lorenzo
Kormushev, Petar
more
Type
Conference Paper
Abstract
In this paper, a robot learning approach is pro- posed which integrates Visuospatial Skill Learning, Imitation Learning, and conventional planning methods. In our approach, the sensorimotor skills (i.e., actions) are learned through a learning from demonstration strategy. The sequence of per- formed actions is learned through demonstrations using Visu- ospatial Skill Learning. A standard action-level planner is used to represent a symbolic description of the skill, which allows the system to represent the skill in a discrete, symbolic form. The Visuospatial Skill Learning module identifies the underlying constraints of the task and extracts symbolic predicates (i.e., action preconditions and effects), thereby updating the planner representation while the skills are being learned. Therefore the planner maintains a generalized representation of each skill as a reusable action, which can be planned and performed inde- pendently during the learning phase. Preliminary experimental results on the iCub robot are presented.
Date Issued
2015-05
Date Acceptance
2015-01-30
Citation
Proc. IEEE Intl Conf. on Robotics and Automation (ICRA 2015), 2015
URI
http://hdl.handle.net/10044/1/26178
URL
http://kormushev.com/papers/Ahmadzadeh_ICRA-2015.pdf
DOI
http://dx.doi.org/10.1109/ICRA.2015.7139728
Publisher
IEEE
Start Page
3801
End Page
3808
Journal / Book Title
Proc. IEEE Intl Conf. on Robotics and Automation (ICRA 2015)
Copyright Statement
© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
License URL
http://www.rioxx.net/licenses/all-rights-reserved
Source
ICRA 2015
Start Date
2015-05-26
Finish Date
2015-05-30
Coverage Spatial
Seattle, Washington
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