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Erschienen in:
1990 | OriginalPaper | Buchkapitel
Estimating Uncertain Spatial Relationships in Robotics
verfasst von : Randall Smith, Matthew Self, Peter Cheeseman
Erschienen in: Autonomous Robot Vehicles
Verlag: Springer New York
Enthalten in: Professional Book Archive
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In this paper, we describe a representation for spatial information, called the stochastic map, and associated procedures for building it, reading information from it, and revising it incrementally as new information is obtained. The map contains the estimates of relationships among objects in the map, and their uncertainties, given all the available information. The procedures provide a general solution to the problem of estimating uncertain relative spatial relationships. The estimates are probabilistic in nature, an advance over the previous, very conservative, worst-case approaches to the problem. Finally, the procedures are developed in the context of state-estimation and filtering theory, which provides a solid basis for numerous extensions.