Integrating Symbolic Spatial Information in Robot Navigation

21 September 2018
Ben Talbot
Overview of a system for using symbolic spatial information to navigate unseen spaces

Navigation cues – like labels, signs, maps, planners, spoken directions, and navigational gestures – provide humans with navigation capabilities that far surpass those of mobile robots. This thesis demonstrates how a mobile robot can use the symbolic spatial information embedded in navigation cues to proficiently navigate unseen built environments. The primary contributions of the thesis reside in the abstract map, a novel tool for grounding navigation symbols. The abstract map imagines abstract layouts and structures for unseen spaces through a mechanical analogy, then tethers the abstract spatial models with robot perceptions to inform navigation to symbolic goals in built environments.

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