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* Corresponding author 1 LAAS-RIS - Équipe Robotique et InteractionS LAAS - Laboratoire d-analyse et d-architecture des systèmes Toulouse

Abstract : In order to diminish the influence of pose choice during appearance-based mapping, a more natural representation of location models is established using covisibility graphs. As the robot moves through the environment, visual landmarks are detected, and connected if seen as covisible. The introduction of a novel generative model allows relevant subgraphs of the covisibility map to be compared to a given query without needing to normalize over all previously seen locations. The use of probabilistic methods provides a unified framework to incorporate sensor error, perceptual aliasing, decision thresholds, and multiple location matches. The system is evaluated and compared with other state-of-the-art methods.

Autor: Elena Stumm - Christopher Mei - Simon Lacroix -



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