Robust estimation of dominant axis of rotation.

@article{Chang2007RobustEO,
  title={Robust estimation of dominant axis of rotation.},
  author={Lillian Y. Chang and Nancy S. Pollard},
  journal={Journal of biomechanics},
  year={2007},
  volume={40 12},
  pages={
          2707-15
        }
}
A simple method is developed for robustly estimating a fixed dominant axis of rotation (AoR) of anatomical joints from surface marker data. Previous approaches which assume a model of circular marker trajectories use plane fitting to estimate the direction of the AoR. However, when there is limited joint range of motion and rotation due to a second degree of freedom, minimizing only the planar error can give poor estimates of the AoR direction. Optimizing a cost function which includes the… CONTINUE READING
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