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Camera calibration with bundle adjustment

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  • Camera calibration with bundle adjustment

    Dear readers,
    I have some questions for you.

    Does anybody know application of camera self-calibration with bundle
    adjustment to biomechanics (calibration of a multi camera system with
    control points of unknown coordinates)?
    I have read some paper of Dr. Gruen, Beyer and Maas (Photogrammetry
    Departement ETH Zurich) but this topic is not greatly developed.

    Is it possible to achieve a complete multi camera calibration with that
    method by only a stick (carrying two markers) moved inside the working volume?

    Could you suggest to me a valid documentation on that issue on the web?

    I have tryed to implement the bundle minimization algorithm but also by
    inserting contraint equation on the stick length I meet with serious
    stability problems of the design matrix. No good convergence is achieved.

    I know AMASS techinque (I think VICOM uses it) but yet it is based on an
    early Dapena's work (Dapena J., Everett A.H. and Miller J.A. (1982)
    Three-dimensional cinematography with control object of unknown shape. J.
    Biomech. 15, 11-19.).

    Thank you, Pietro.

    Dr. Eng. Pietro Cerveri
    Dipartimento di Bioingegneria
    Politenico di Milano
    P.zza Leonardo da Vinci, 25
    tel. +39-2-23993335

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