We propose a factorization method for structure from planar motion using a stationary perspective camera. Compared with [A factorization based algorithm for multi-image projective structure and motion] for general motion, our work has three major differences: a different measurement matrix specialized for planar motion is formed. The measurement matrix has a rank of at most 3, instead of 4; the measurement matrix needs similar scalings, but estimation of fundamental matrices or epipoles is not needed; we have an Euclidean reconstruction instead of a projective reconstruction. The camera is not required to be calibrated. A simple semi-automatic calibration method using vanishing points and lines is sufficient. Experimental results show that the algorithm is accurate and fairly robust to noise and inaccurate calibration.


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    Title :

    A Factorization Method for Structure from Planar Motion


    Contributors:
    Li, Jian (author) / Chellappa, Rama (author)


    Publication date :

    2005-01-01


    Size :

    452872 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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