Cube-Cut: Vertebral Body Segmentation in MRI-Data through Cubic- Shaped Divergences Robert Schwarzenberg a , Bernd Freisleben a , Christopher Nimsky b , Jan Egger a,b a Department of Mathematics and Computer Science, University of Marburg, Marburg, Germany b Department of Neurosurgery, University Hospital of Marburg, Marburg, Germany Correspondence and requests for materials should be addressed to J.E. egger@med.uni-marburg.de