The authors explain how techniques from computer graphics and computer vision can be combined to finally navigate a robot in a natural environment based on visual information. The key idea is to reconstruct an image based scene model, which is used in the navigation task to judge position hypotheses by comparing the taken camera image with a virtual image created from the image based scene model. Computer graphics contributes to a method for photorealistic rendering in real time, and computer vision methods are applied to fully automatically reconstruct the scene model from image sequences taken by a hand-held camera or a moving platform. During navigation, a probabilistic state estimation algorithm is applied to handle uncertainty in the image acquisition process and the dynamic model of the moving platform. We present experiments which prove that the proposed approach, i.e. using an image based scene model for navigation, is capable of globally localizing a moving platform with reasonable effort. Using off-the-shelf computer graphics hardware, even real time navigation is possible.


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    Titel :

    Combining computer graphics and computer vision for probabilistic visual robot navigation


    Beteiligte:
    Heigl, B. (Autor:in) / Denzler, J. (Autor:in) / Niemann, H. (Autor:in)


    Erscheinungsdatum :

    2000


    Format / Umfang :

    10 Seiten, 15 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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