This paper presents an approach to generate dense person 3D trajectories from sparse image annotations on-board a moving platform. Our approach leverages the additional information that is typically available in an intelligent vehicle setting, such as LiDAR sensor measurements (to obtain 3D positions from detected 2D image bounding boxes) and inertial sensing (to perform ego-motion compensation). The sparse manual 2D person annotations that are available at regular time intervals (key-frames) are augmented with the output of a state-of-the-art 2D person detector, to obtain frame-wise data. A graph-based batch optimization approach is subsequently performed to find the best 3D trajectories, accounting for erroneous person detector output (false positives, false negatives, imprecise localization) and unknown temporal correspondences. Experiments on the EuroCity Persons dataset show promising results.


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    Titel :

    Generating 3D Person Trajectories from Sparse Image Annotations in an Intelligent Vehicles Setting


    Beteiligte:
    Krebs, Sebastian (Autor:in) / Braun, Markus (Autor:in) / Gavrila, Dariu M. (Autor:in)


    Erscheinungsdatum :

    2019-10-01


    Format / Umfang :

    3031783 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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