Three-dimensional cinematography with control object of unknown shape.

@article{Dapena1982ThreedimensionalCW,
  title={Three-dimensional cinematography with control object of unknown shape.},
  author={J. Dapena and Everett A. Harman and Julie Ann Miller},
  journal={Journal of biomechanics},
  year={1982},
  volume={15 1},
  pages={11-9}
}
A technique for reconstruction of three-dimensional (3D) motion which involves a simple filming procedure but allows the deduction of coordinates in large object volumes was developed. Internal camera parameters are calculated from measurements of the film images of two calibrated crosses while external camera parameters are calculated from the film images of points in a control object of unknown shape but at least one known length. The control object, which includes the volume in which the… CONTINUE READING
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