A method and apparatus are provided for MR based volumetric frameless 3-D interactive localization, virtual simulation, and dosimetric radiation therapy planning. Using an MR imaging device, a patient is scanned to generate a magnetic resonance image volume data set. Using the MR data set exclusively,...http://www.google.de/patents/US6466813?utm_source=gb-gplus-sharePatent US6466813 - Method and apparatus for MR-based volumetric frameless 3-D interactive localization, virtual simulation, and dosimetric radiation therapy planning