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Article Dans Une Revue IEEE Robotics and Automation Letters Année : 2023

Overworld: Assessing the geometry of the world for Human-Robot Interaction

Guillaume Sarthou

Résumé

For a robot to interact with humans in a given environment, a key need is to understand its environment in terms of the objects composing it, the other agents acting in it, and the relations between all of them. This capability is often called the geometrical situation assessment and is mainly related to spatial reasoning in time. In this paper, we present Overworld, a novel lightweight and open-source framework, merging the key features of a decade of research in the domain. It permanently maintains a geometric state of the world from the point of view of the robot by aggregating perceptual information from several sources and reasoning on them to create a coherent world. Furthermore, Overworld implements perspective-taking by emulating the humans' ability to perceive to estimate the state of the world from their perspective. Finally, thanks to a strong link with an ontology framework, it ensures knowledge coherence in the whole robotic architecture. This work is part of a broader effort to develop a complete, stable, and shareable decisional robotic architecture for Human-Robot Interaction.
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Dates et versions

hal-04037386 , version 1 (20-03-2023)

Identifiants

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Guillaume Sarthou. Overworld: Assessing the geometry of the world for Human-Robot Interaction. IEEE Robotics and Automation Letters, 2023, 8 (3), pp.1874-1880. ⟨10.1109/LRA.2023.3238891⟩. ⟨hal-04037386⟩
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