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Playing Fetch with Your Robot: The Ability of Robots to Locate and Interact with Objects

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4 Author(s)
Dames, P. ; Univ. of Pennsylvania, Philadelphia, PA, USA ; Thakur, D. ; Schwager, M. ; Kumar, V.

The task addressed in this article is the localization of an unknown number of targets using a mobile robot equipped with a visual sensor. The estimation of the number of targets and their locations is done using a recursive Bayesian filter over random finite sets (RFSs), and the position of the robot is assumed to be known. We present a computationally tractable control law whereby the robot follows the gradient of mutual information between target locations and detections. The method is verified through real-world experimental trials, reliably detecting multiple targets and ignoring clutter obstacles.

Published in:

Robotics & Automation Magazine, IEEE  (Volume:21 ,  Issue: 2 )

Date of Publication:

June 2014

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