Publikationsansicht

Discovering Optimal Imitation Strategies (2004)

Abstract
This paper develops a general policy for learning relevant features of an imitation task. We restrict our study to imitation of manipulative tasks or of gestures. The imitation process is modeled as a hierarchical optimization system, which minimizes the discrepancy between two multi- dimensional datasets. To classify across manipulation strategies, we apply a probabilistic analysis to data in Cartesian and joint spaces. We determine a general metric that optimizes the policy of task reproduction, following strategy determination. The model successfully discovers strategies in six different imitative tasks and controls task reproduction by a full body humanoid robot.

Details der Publikation
Download http://infoscience.epfl.ch/record/60052
Archiv Infoscience | Ecole Polytechnique Federale de Lausanne (Switzerland)
Keywords Programming by Demonstration, Imitation Learning, Humanoid Robots, Artificial Neural Networks, Hidden Markov Models, Bayesian Learning, Learning by imitation - Robotics
Typ Text
Sprache Englisch