We present a method for computing the 3D motion of articulated models from 2D correspondences. An iterative batch algorithm is proposed which estimates the maximum a posteriori trajectory based on 2D measurements subject to a number of constraints. These include (i) kinematic constraints based on a 3D kinematic model, (ii) joint angle limits, (iii) dynamic smoothing, and (iv) 3D key frames which can be specified by the user. The framework handles any variation in the number of constraints as well as partial or missing data. This method is shown to obtain favorable reconstruction results on a number of complex human motion sequences.


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    Title :

    Reconstruction of 3D figure motion from 2D correspondences


    Contributors:
    DiFranco, D.E. (author) / Tat-Jen Cham, (author) / Rehg, J.M. (author)


    Publication date :

    2001-01-01


    Size :

    1018127 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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