Grid map registration is an important field in mobile robotics. Applications in which multiple robots are involved benefit from multiple aligned grid maps as they provide an efficient exploration of the environment in parallel. In this paper, a normal distribution transform (NDT)-based approach for grid map registration is presented. For simultaneous mapping and localization approaches on laser data, the NDT is widely used to align new laser scans to reference scans. The original grid quantization-based NDT results in good registration performances but has poor convergence properties due to discontinuities of the optimization function and absolute grid resolution. This paper shows that clustering techniques overcome disadvantages of the original NDT by significantly improving the convergence basin for aligning grid maps. A multi-scale clustering method results in an improved registration performance which is shown on real world experiments on radar data.


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    Titel :

    Clustering improved grid map registration using the normal distribution transform


    Beteiligte:
    Rapp, Matthias (Autor:in) / Barjenbruch, Michael (Autor:in) / Hahn, Markus (Autor:in) / Dickmann, Jurgen (Autor:in) / Dietmayer, Klaus (Autor:in)


    Erscheinungsdatum :

    2015-06-01


    Format / Umfang :

    511192 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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