Lane-level HD maps are crucial for trajectory planning and control in current autonomous vehicles. For this reason, appropriate line models should be adopted to define them. Whereas mapping algorithms often rely on inaccurate representations, clothoid curves possess peculiar smoothness properties that make them desirable representations of road lines in control algorithms. We propose a multi-stage pipeline for the generation of lane-level HD maps from monocular vision relying on clothoidal spline models. We obtain measurements of the line positions using a line detection algorithm, and we exploit a graph-based optimization framework to reach an optimal fitting. An iterative greedy procedure reduces the model complexity removing unnecessary clothoids. We validate our system on a real-world dataset, which we make publicly available for further research at https://airlab.deib.polimi.it/datasets-and-tools/.


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    Titel :

    Clothoidal Mapping of Road Line Markings for Autonomous Driving High-Definition Maps


    Beteiligte:
    Gallazzi, Barbara (Autor:in) / Cudrano, Paolo (Autor:in) / Frosi, Matteo (Autor:in) / Mentasti, Simone (Autor:in) / Matteucci, Matteo (Autor:in)


    Erscheinungsdatum :

    2022-06-05


    Format / Umfang :

    2427915 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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