NDLI: Unsupervised body scheme learning through self-perception

Content Provider	IEEE Xplore Digital Library
Author	Sturm, J. Plagemann, C. Burgard, W.
Copyright Year	2008
Description	Author affiliation: Dept. of Comput. Sci., Univ. of Freiburg, Freiburg (Sturm, J.; Plagemann, C.; Burgard, W.)
Abstract	In this paper, we present an approach allowing a robot to learn a generative model of its own physical body from scratch using self-perception with a single monocular camera. Our approach yields a compact Bayesian network for the robot's kinematic structure including the forward and inverse models relating action signals and body pose. We propose to simultaneously learn local action models for all pairs of perceivable body parts from data generated through random "motor babbling." From this repertoire of local models, we construct a Bayesian network for the full system using the pose prediction accuracy on a separate cross validation data set as the criterion for model selection. The resulting model can be used to predict the body pose when no perception is available and allows for gradient-based posture control. In experiments with real and simulated manipulator arms, we show that our system is able to quickly learn compact and accurate models and to robustly deal with noisy observations.
Starting Page	3328
Ending Page	3333
File Size	291799
Page Count	6
File Format	PDF
ISBN	9781424416462
ISSN	10504729
DOI	10.1109/ROBOT.2008.4543718
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robotics and automation Bayesian methods Predictive models Manipulators Robot vision systems Cameras Robot kinematics Inverse problems Arm Robustness
Content Type	Text
Resource Type	Article
Subject	Artificial Intelligence Control and Systems Engineering Electrical and Electronic Engineering Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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