This paper addresses the problem of characterizing the space formed by all images of a rigid set of n points observed by a weak perspective or paraperspective camera. By taking explicitly into account the Euclidean constraints associated with calibrated cameras, we show that this space is a six-dimensional variety embedded in R/sup 2n/, and parameterize it using the image positions of three reference points. This parameterization is constructed via linear least squares from point correspondences established across a sequence of images, and it is used to synthesize new pictures without any explicit three-dimensional model. Degenerate scene and camera configurations are analyzed, and experiments with real image sequences are presented.


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    Title :

    Parameterized image varieties: a novel approach to the analysis and synthesis of image sequences


    Contributors:
    Genc, Y. (author) / Ponce, J. (author)


    Publication date :

    1998-01-01


    Size :

    987516 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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