A new method for 3D rigid motion estimation from stereo is proposed in this paper. The appealing feature of this method is that it directly uses the disparity images obtained from stereo matching. We assume that the stereo rig has parallel cameras and show, in that case, the geometric and topological properties of the disparity images. Then we introduce a rigid transformation (called d-motion) that maps two disparity images of a rigidly moving object. We show how it is related to the Euclidean rigid motion and a motion estimation algorithm is derived. We show with experiments that our approach is simple and more accurate than standard approaches.


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    Title :

    Motion estimation from disparity images


    Contributors:


    Publication date :

    2001-01-01


    Size :

    495152 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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