Reactive Navigation in Partially Familiar Planar Environments Using Semantic Perceptual Feedback

Reactive Navigation in Partially Familiar Planar Environments Using Semantic Perceptual Feedback

This paper solves the planar navigation problem by recourse to an online reactive scheme that exploits recent advances in SLAM and visual object recognition to recast prior geometric knowledge in terms of an offline catalogue of familiar objects. The resulting vector field planner guarantees converg...

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Veröffentlicht in:arXiv.org 2021-08
Hauptverfasser: Vasilopoulos, Vasileios, Pavlakos, Georgios, Schmeckpeper, Karl, Daniilidis, Kostas, Koditschek, Daniel E
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Algorithms
Fields (mathematics)
Navigation
Object recognition
Robustness (mathematics)
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Pavlakos, Georgios
Schmeckpeper, Karl
Daniilidis, Kostas
Koditschek, Daniel E
description This paper solves the planar navigation problem by recourse to an online reactive scheme that exploits recent advances in SLAM and visual object recognition to recast prior geometric knowledge in terms of an offline catalogue of familiar objects. The resulting vector field planner guarantees convergence to an arbitrarily specified goal, avoiding collisions along the way with fixed but arbitrarily placed instances from the catalogue as well as completely unknown fixed obstacles so long as they are strongly convex and well separated. We illustrate the generic robustness properties of such deterministic reactive planners as well as the relatively modest computational cost of this algorithm by supplementing an extensive numerical study with physical implementation on both a wheeled and legged platform in different settings.
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subjects Algorithms
Fields (mathematics)
Navigation
Object recognition
Robustness (mathematics)
title Reactive Navigation in Partially Familiar Planar Environments Using Semantic Perceptual Feedback
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