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A Bayesian approach to imitation learning for robot navigation

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3 Author(s)
Ollis, M. ; Appl. Perception, Inc., Cranberry Township ; Huang, W.H. ; Happold, M.

Driving in unknown natural outdoor terrain is a challenge for autonomous ground vehicles. It can be difficult for a robot to discern obstacles and other hazards in its environment, and characteristics of this high cost terrain may change from one environment to another, or even with different lighting conditions. One successful approach to this problem is for a robot to learn from a demonstration by a human operator. In this paper, we describe an approach to calculating terrain costs from Bayesian estimates using feature vectors measured during a short teleoperated training run in similar terrain and conditions. We describe the theory, its implementation on two different robotic systems, and results of several independently conducted field tests.

Published in:

Intelligent Robots and Systems, 2007. IROS 2007. IEEE/RSJ International Conference on

Date of Conference:

Oct. 29 2007-Nov. 2 2007