Proceedings

Exploring Unknown Environments with Mobile Robots using Coverage Maps

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Proceedings of the Eighteenth International Joint Conference on Artificial Intelligence. Pages 1127-1133.

Abstract

In this paper we introduce coverage maps as a new way of representing the environment of a mobile robot. Coverage maps store for each cell of a given grid a posterior about the amount the corresponding cell is covered by an obstacle. Using this representation a mobile robot can more accurately reason about its uncertainty in the map of the environment than with standard occupancy grids. We present a model for proximity sensors designed to update coverage maps upon sensory input. We also describe how coverage maps can be used to formulate a decision-theoretic approach for mobile robot exploration. We present experiments carried out with real robots in which accurate maps are build from noisy ultrasound data. Finally, we present a comparison of different view-point selection strategies for mobile robot exploration.

Cyrill Stachniss, and Wolfram Burgard. 2003. Exploring Unknown Environments with Mobile Robots using Coverage Maps. In Proceedings of the Eighteenth International Joint Conference on Artificial Intelligence, IJCAI-03. IJCAI, 1127–1133. https://ijcai.org/proceedings/2003/161
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