Mobile robot designers frequently look to computer vision to solve navigation, obstacle avoidance, and object detection problems such as those encountered in parking lot surveillance. Stereo reconstruction is a useful technique in this domain. The advantage of a single-camera stereo method versus a stereo rig is the flexibility to change the baseline distance to best match each scenario. This directly increases the robustness of the stereo algorithm and increases the effective range of the system. The challenge comes from accurately rectifying the images into an ideal stereo pair. Structure from motion (SFM) can be used to compute the camera motion between the two images, but its accuracy is limited and small errors can cause rectified images to be misaligned. We present a single-camera stereo system that incorporates a Levenberg-Marquardt minimization of rectification parameters to bring the rectified images into alignment.


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    Titel :

    Single Camera Stereo for Mobile Robot Surveillance


    Beteiligte:
    McBride, J. (Autor:in) / Snorrason, M. (Autor:in) / Goodsell, T. (Autor:in) / Eaton, R. (Autor:in) / Stevens, M.R. (Autor:in)


    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    648973 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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