Multi-dimensional respiratory motion tracking from markerless optical surface imaging based on deformable mesh registration.

@article{Schaerer2012MultidimensionalRM,
  title={Multi-dimensional respiratory motion tracking from markerless optical surface imaging based on deformable mesh registration.},
  author={Jo{\"e}l Schaerer and Aurora Fassi and Marco Riboldi and Pietro Cerveri and Guido Baroni and David Sarrut},
  journal={Physics in medicine and biology},
  year={2012},
  volume={57 2},
  pages={357-73}
}
Real-time optical surface imaging systems offer a non-invasive way to monitor intra-fraction motion of a patient's thorax surface during radiotherapy treatments. Due to lack of point correspondence in dynamic surface acquisition, such systems cannot currently provide 3D motion tracking at specific surface landmarks, as available in optical technologies based on passive markers. We propose to apply deformable mesh registration to extract surface point trajectories from markerless optical imaging… CONTINUE READING
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The management of respiratory motion in radiation oncology report of AAPM Task Group 76

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