Prediction framework for statistical respiratory motion modeling

Med Image Comput Comput Assist Interv. 2010;13(Pt 3):327-34. doi: 10.1007/978-3-642-15711-0_41.

Abstract

Breathing motion complicates many image-guided interventions working on the thorax or upper abdomen. However, prior knowledge provided by a statistical breathing model, can reduce the uncertainties of organ location. In this paper, a prediction framework for statistical motion modeling is presented and different representations of the dynamic data for motion model building of the lungs are investigated. Evaluation carried out on 4D-CT data sets of 10 patients showed that a displacement vector-based representation can reduce most of the respiratory motion with a prediction error of about 2 mm, when assuming the diaphragm motion to be known.

MeSH terms

  • Artifacts*
  • Computer Simulation
  • Data Interpretation, Statistical
  • Humans
  • Imaging, Three-Dimensional / methods*
  • Models, Biological
  • Models, Statistical
  • Movement
  • Radiographic Image Interpretation, Computer-Assisted / methods*
  • Radiography, Thoracic / methods*
  • Reproducibility of Results
  • Respiratory Mechanics*
  • Respiratory-Gated Imaging Techniques / methods*
  • Sensitivity and Specificity
  • Tomography, X-Ray Computed / methods*